diff --git a/.github/labeler.yml b/.github/labeler.yml
index 08cfd7e0bc..e9b75bc29e 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -104,3 +104,20 @@ OpenCL:
         - any-glob-to-any-file:
             - ggml/include/ggml-opencl.h
             - ggml/src/ggml-opencl/**
+            - docs/backend/OPENCL.md
+Hexagon:
+    - changed-files:
+        - any-glob-to-any-file:
+            - ggml/include/ggml-hexagon.h
+            - ggml/src/ggml-hexagon/**
+WebGPU:
+    - changed-files:
+        - any-glob-to-any-file:
+            - ggml/include/ggml-webgpu.h
+            - ggml/src/ggml-webgpu/**
+OpenVINO:
+    - changed-files:
+        - any-glob-to-any-file:
+            - ggml/include/ggml-openvino.h
+            - ggml/src/ggml-openvino/**
+            - docs/backend/OPENVINO.md
diff --git a/.github/workflows/build-self-hosted.yml b/.github/workflows/build-self-hosted.yml
index 7c7710fe45..2944cb8401 100644
--- a/.github/workflows/build-self-hosted.yml
+++ b/.github/workflows/build-self-hosted.yml
@@ -97,19 +97,21 @@ jobs:
           vulkaninfo --summary
           GG_BUILD_VULKAN=1 bash ./ci/run.sh ~/results/llama.cpp /mnt/llama.cpp
 
-  ggml-ci-cpu-amx:
-    runs-on: [self-hosted, Linux, CPU, AMX]
+  # TODO: provision AMX-compatible machine
+  #ggml-ci-cpu-amx:
+  #  runs-on: [self-hosted, Linux, CPU, AMX]
 
-    steps:
-      - name: Clone
-        id: checkout
-        uses: actions/checkout@v6
+  #  steps:
+  #    - name: Clone
+  #      id: checkout
+  #      uses: actions/checkout@v6
 
-      - name: Test
-        id: ggml-ci
-        run: |
-          bash ./ci/run.sh ~/results/llama.cpp /mnt/llama.cpp
+  #    - name: Test
+  #      id: ggml-ci
+  #      run: |
+  #        bash ./ci/run.sh ~/results/llama.cpp /mnt/llama.cpp
 
+  # TODO: provision AMD GPU machine
   # ggml-ci-amd-vulkan:
   #   runs-on: [self-hosted, Linux, AMD]
 
@@ -124,6 +126,7 @@ jobs:
   #         vulkaninfo --summary
   #         GG_BUILD_VULKAN=1 bash ./ci/run.sh ~/results/llama.cpp /mnt/llama.cpp
 
+  # TODO: provision AMD GPU machine
   # ggml-ci-amd-rocm:
   #   runs-on: [self-hosted, Linux, AMD]
 
diff --git a/benches/nemotron/nemotron-dgx-spark.md b/benches/nemotron/nemotron-dgx-spark.md
index 2bce30a30e..420664194f 100644
--- a/benches/nemotron/nemotron-dgx-spark.md
+++ b/benches/nemotron/nemotron-dgx-spark.md
@@ -24,9 +24,9 @@ Fri Mar  6 11:39:45 2026
 +-----------------------------------------+------------------------+----------------------+
 ```
 
-## ggml-org/nemotron-3-super-120b-GGUF
+## ggml-org/Nemotron-3-Super-120B-GGUF
 
-Model: https://huggingface.co/ggml-org/nemotron-3-super-120b-GGUF
+Model: https://huggingface.co/ggml-org/Nemotron-3-Super-120B-GGUF
 
 - `llama-batched-bench`
 
@@ -53,7 +53,6 @@ main: n_kv_max = 303104, n_batch = 2048, n_ubatch = 2048, flash_attn = 1, is_pp_
 |  8192 |     32 |   16 | 131584 |  171.066 |   766.21 |   10.774 |    47.52 |  181.840 |   723.62 |
 |  8192 |     32 |   32 | 263168 |  342.140 |   766.19 |   18.969 |    53.98 |  361.109 |   728.78 |
 
-
 - `llama-bench`
 
 | model                   |       size |     params | backend    | n_ubatch | fa |            test |                  t/s |
@@ -70,3 +69,49 @@ main: n_kv_max = 303104, n_batch = 2048, n_ubatch = 2048, flash_attn = 1, is_pp_
 | nemotron 120B.A12B Q4_K |  65.10 GiB |   120.67 B | CUDA       |     2048 |  1 |   tg32 @ d32768 |         19.45 ± 0.18 |
 
 build: 04a65daab (8268)
+
+## ggml-org/Nemotron-3-Nano-4B-GGUF
+
+Model: https://huggingface.co/ggml-org/Nemotron-3-Nano-4B-GGUF
+
+- `llama-batched-bench`
+
+main: n_kv_max = 303104, n_batch = 2048, n_ubatch = 2048, flash_attn = 1, is_pp_shared = 0, is_tg_separate = 0, n_gpu_layers = 99, n_threads = 20, n_threads_batch = 20
+
+|    PP |     TG |    B |   N_KV |   T_PP s | S_PP t/s |   T_TG s | S_TG t/s |      T s |    S t/s |
+|-------|--------|------|--------|----------|----------|----------|----------|----------|----------|
+|   512 |     32 |    1 |    544 |    0.152 |  3371.61 |    0.597 |    53.64 |    0.748 |   726.90 |
+|   512 |     32 |    2 |   1088 |    0.319 |  3208.68 |    0.857 |    74.66 |    1.176 |   924.89 |
+|   512 |     32 |    4 |   2176 |    0.720 |  2843.56 |    1.323 |    96.78 |    2.043 |  1065.18 |
+|   512 |     32 |    8 |   4352 |    1.428 |  2867.96 |    2.311 |   110.76 |    3.739 |  1163.82 |
+|   512 |     32 |   16 |   8704 |    2.857 |  2866.94 |    4.203 |   121.82 |    7.060 |  1232.82 |
+|   512 |     32 |   32 |  17408 |    5.709 |  2869.76 |    7.964 |   128.58 |   13.673 |  1273.14 |
+|  4096 |     32 |    1 |   4128 |    1.458 |  2809.76 |    0.605 |    52.92 |    2.062 |  2001.52 |
+|  4096 |     32 |    2 |   8256 |    2.905 |  2819.95 |    0.875 |    73.12 |    3.780 |  2183.95 |
+|  4096 |     32 |    4 |  16512 |    5.790 |  2829.74 |    1.361 |    94.07 |    7.151 |  2309.17 |
+|  4096 |     32 |    8 |  33024 |   11.598 |  2825.32 |    2.378 |   107.65 |   13.976 |  2362.89 |
+|  4096 |     32 |   16 |  66048 |   23.208 |  2823.88 |    4.348 |   117.76 |   27.556 |  2396.89 |
+|  4096 |     32 |   32 | 132096 |   46.515 |  2817.85 |    8.279 |   123.69 |   54.794 |  2410.79 |
+|  8192 |     32 |    1 |   8224 |    2.950 |  2776.95 |    0.617 |    51.89 |    3.567 |  2305.75 |
+|  8192 |     32 |    2 |  16448 |    5.921 |  2767.32 |    0.896 |    71.45 |    6.816 |  2413.05 |
+|  8192 |     32 |    4 |  32896 |   11.842 |  2767.21 |    1.401 |    91.34 |   13.243 |  2484.03 |
+|  8192 |     32 |    8 |  65792 |   23.726 |  2762.17 |    2.461 |   104.03 |   26.187 |  2512.38 |
+|  8192 |     32 |   16 | 131584 |   47.777 |  2743.43 |    4.577 |   111.86 |   52.354 |  2513.36 |
+|  8192 |     32 |   32 | 263168 |   96.691 |  2711.16 |    8.772 |   116.73 |  105.463 |  2495.36 |
+
+- `llama-bench`
+
+| model                   |       size |     params | backend    | n_ubatch | fa |            test |                  t/s |
+| ----------------------- | ---------: | ---------: | ---------- | -------: | -: | --------------: | -------------------: |
+| nemotron 4B Q8_0        |   3.94 GiB |     3.97 B | CUDA       |     2048 |  1 |          pp2048 |      2761.90 ± 19.31 |
+| nemotron 4B Q8_0        |   3.94 GiB |     3.97 B | CUDA       |     2048 |  1 |            tg32 |         52.85 ± 0.12 |
+| nemotron 4B Q8_0        |   3.94 GiB |     3.97 B | CUDA       |     2048 |  1 |  pp2048 @ d4096 |      2687.07 ± 21.84 |
+| nemotron 4B Q8_0        |   3.94 GiB |     3.97 B | CUDA       |     2048 |  1 |    tg32 @ d4096 |         52.32 ± 0.23 |
+| nemotron 4B Q8_0        |   3.94 GiB |     3.97 B | CUDA       |     2048 |  1 |  pp2048 @ d8192 |      2564.52 ± 57.69 |
+| nemotron 4B Q8_0        |   3.94 GiB |     3.97 B | CUDA       |     2048 |  1 |    tg32 @ d8192 |         51.27 ± 0.34 |
+| nemotron 4B Q8_0        |   3.94 GiB |     3.97 B | CUDA       |     2048 |  1 | pp2048 @ d16384 |      2334.02 ± 37.83 |
+| nemotron 4B Q8_0        |   3.94 GiB |     3.97 B | CUDA       |     2048 |  1 |   tg32 @ d16384 |         49.71 ± 0.14 |
+| nemotron 4B Q8_0        |   3.94 GiB |     3.97 B | CUDA       |     2048 |  1 | pp2048 @ d32768 |      2041.46 ± 40.45 |
+| nemotron 4B Q8_0        |   3.94 GiB |     3.97 B | CUDA       |     2048 |  1 |   tg32 @ d32768 |         46.71 ± 0.13 |
+
+build: 1bbec6a75 (8382)
diff --git a/common/chat.cpp b/common/chat.cpp
index cfd5df30a7..056feb9681 100644
--- a/common/chat.cpp
+++ b/common/chat.cpp
@@ -1519,7 +1519,6 @@ static common_chat_params common_chat_templates_apply_jinja(const struct common_
         // map developer to system for all models except for GPT-OSS
         workaround::map_developer_role_to_system(params.messages);
     }
-    workaround::func_args_not_string(params.messages);
 
     if (!tmpl.original_caps().supports_system_role) {
         workaround::system_message_not_supported(params.messages);
@@ -1532,6 +1531,10 @@ static common_chat_params common_chat_templates_apply_jinja(const struct common_
         workaround::requires_non_null_content(params.messages);
     }
 
+    if (tmpl.original_caps().supports_object_arguments) {
+        workaround::func_args_not_string(params.messages);
+    }
+
     params.extra_context = common_chat_extra_context();
     for (auto el : inputs.chat_template_kwargs) {
         params.extra_context[el.first] = json::parse(el.second);
diff --git a/common/jinja/caps.cpp b/common/jinja/caps.cpp
index 1158d5e5d6..ec207a53e8 100644
--- a/common/jinja/caps.cpp
+++ b/common/jinja/caps.cpp
@@ -75,6 +75,7 @@ std::map<std::string, bool> caps::to_map() const {
         {"supports_parallel_tool_calls", supports_parallel_tool_calls},
         {"supports_system_role", supports_system_role},
         {"supports_preserve_reasoning", supports_preserve_reasoning},
+        {"supports_object_arguments", supports_object_arguments},
     };
 }
 
@@ -158,9 +159,9 @@ caps caps_get(jinja::program & prog) {
         }
     );
 
-    JJ_DEBUG("%s\n", ">>> Running capability check: single tool support");
+    JJ_DEBUG("%s\n", ">>> Running capability check: single tool with object arguments support");
 
-    // case: tools support: single call
+    // case: tools support: single call with object arguments
     caps_try_execute(
         prog,
         [&]() {
@@ -226,9 +227,7 @@ caps caps_get(jinja::program & prog) {
         },
         [&](bool success, value & messages, value & tools) {
             if (!success) {
-                result.supports_tool_calls = false;
-                result.supports_tools = false;
-                return;
+                return; // Nothing can be inferred
             }
 
             auto & tool_name = tools->at(0)->at("function")->at("name");
@@ -242,16 +241,117 @@ caps caps_get(jinja::program & prog) {
             caps_print_stats(tool_calls, "messages[1].tool_calls");
             if (!tool_calls->stats.used) {
                 result.supports_tool_calls = false;
+                return;
+            }
+
+            auto & tool_arg = tool_calls->at(0)->at("function")->at("arguments")->at("arg");
+            caps_print_stats(tool_arg, "messages[1].tool_calls[0].function.arguments.arg");
+            if (tool_arg->stats.used) {
+                result.supports_object_arguments = true;
             }
         }
     );
 
+    if (!result.supports_object_arguments) {
+        JJ_DEBUG("%s\n", ">>> Running capability check: single tool with string arguments support");
+
+        // case: tools support: single call with string arguments
+        caps_try_execute(
+            prog,
+            [&]() {
+                // messages
+                return json::array({
+                    {
+                        {"role", "user"},
+                        {"content", "User message"},
+                    },
+                    {
+                        {"role", "assistant"},
+                        {"content", ""}, // Some templates expect content to be empty with tool calls
+                        {"tool_calls", json::array({
+                            {
+                                {"id", "call00001"},
+                                {"type", "function"},
+                                {"function", {
+                                    {"name", "tool1"},
+                                    {"arguments", R"({"arg": "value"})"}
+                                }}
+                            }
+                        })}
+                    },
+                    {
+                        {"role", "tool"},
+                        {"content", "Tool response"},
+                        {"tool_call_id", "call00001"}
+                    },
+                    {
+                        {"role", "assistant"},
+                        {"content", "The tool response was 'tool response'"}
+                    },
+                    {
+                        {"role", "user"},
+                        {"content", "User message"},
+                    },
+                });
+            },
+            [&]() {
+                // tools
+                return json::array({
+                    {
+                        {"name", "tool"},
+                        {"type", "function"},
+                        {"function", {
+                            {"name", "tool1"},
+                            {"description", "Tool description"},
+                            {"parameters", {
+                                {"type", "object"},
+                                {"properties", {
+                                    {"arg", {
+                                        {"type", "string"},
+                                        {"description", "Arg description"},
+                                    }},
+                                }},
+                                {"required", json::array({ "arg" })},
+                            }},
+                        }},
+                    },
+                });
+            },
+            [&](bool success, value & messages, value & tools) {
+                if (!success) {
+                    result.supports_tool_calls = false;
+                    result.supports_tools = false;
+                    return;
+                }
+
+                auto & tool_name = tools->at(0)->at("function")->at("name");
+                caps_print_stats(tool_name, "tools[0].function.name");
+                caps_print_stats(tools, "tools");
+                if (!tool_name->stats.used) {
+                    result.supports_tools = false;
+                }
+
+                auto & tool_calls = messages->at(1)->at("tool_calls");
+                caps_print_stats(tool_calls, "messages[1].tool_calls");
+                if (!tool_calls->stats.used) {
+                    result.supports_tool_calls = false;
+                    return;
+                }
+            }
+        );
+    }
+
     JJ_DEBUG("%s\n", ">>> Running capability check: parallel tool support");
 
     // case: tools support: parallel calls
     caps_try_execute(
         prog,
         [&]() {
+            json args = json(R"({"arg": "value"})");
+            if (result.supports_object_arguments) {
+                args = json{{"arg", "value"}};
+            }
+
             // messages
             return json::array({
                 {
@@ -267,9 +367,7 @@ caps caps_get(jinja::program & prog) {
                             {"type", "function"},
                             {"function", {
                                 {"name", "tool1"},
-                                {"arguments", {
-                                    {"arg", "value"}
-                                }}
+                                {"arguments", args}
                             }}
                         },
                         {
@@ -277,9 +375,7 @@ caps caps_get(jinja::program & prog) {
                             {"type", "function"},
                             {"function", {
                                 {"name", "tool1"},
-                                {"arguments", {
-                                    {"arg", "value"}
-                                }}
+                                {"arguments", args}
                             }}
                         }
                     })}
@@ -328,7 +424,7 @@ caps caps_get(jinja::program & prog) {
                 return;
             }
 
-            auto & tool_calls = messages->at(1)->at("tool_calls");;
+            auto & tool_calls = messages->at(1)->at("tool_calls");
             caps_print_stats(tool_calls, "messages[1].tool_calls");
 
             // check for second tool call usage
diff --git a/common/jinja/caps.h b/common/jinja/caps.h
index e694e7bfaa..93a7fe0926 100644
--- a/common/jinja/caps.h
+++ b/common/jinja/caps.h
@@ -18,6 +18,8 @@ struct caps {
     bool supports_string_content = true;
     bool supports_typed_content = false;
 
+    bool supports_object_arguments = false;
+
     // for reporting on server
     std::map<std::string, bool> to_map() const;
 
diff --git a/common/regex-partial.cpp b/common/regex-partial.cpp
index e667a209e9..bd9034e931 100644
--- a/common/regex-partial.cpp
+++ b/common/regex-partial.cpp
@@ -102,7 +102,7 @@ std::string regex_to_reversed_partial_regex(const std::string & pattern) {
                 auto is_star = *it == '*';
                 ++it;
                 if (is_star) {
-                    if (*it == '?') {
+                    if (it != end && *it == '?') {
                         ++it;
                     }
                 }
diff --git a/convert_hf_to_gguf.py b/convert_hf_to_gguf.py
index eec0ea14e3..46469c8620 100755
--- a/convert_hf_to_gguf.py
+++ b/convert_hf_to_gguf.py
@@ -272,8 +272,9 @@ class ModelBase:
         return tensors
 
     def dequant_model(self):
-        if self._is_nvfp4:
-            return  # NVFP4 weights are repacked in _generate_nvfp4_tensors
+        # If all quantized tensors were already handled (e.g. pure NVFP4), skip
+        if self._is_nvfp4 and not any(k.endswith((".weight_scale", ".weight_scale_inv")) for k in self.model_tensors):
+            return
 
         tensors_to_remove: list[str] = []
         new_tensors: dict[str, Callable[[], Tensor]] = {}
@@ -297,11 +298,16 @@ class ModelBase:
                 scale = scale.float()
 
                 if block_size is not None:
+                    dim_offset = scale.ndim - len(block_size)
                     for i, size in enumerate(block_size):
-                        scale = scale.repeat_interleave(size, i)
+                        scale = scale.repeat_interleave(size, dim_offset + i)
                     # unpad the scale (e.g. when the tensor size isn't a multiple of the block size)
                     scale = scale[tuple(slice(0, size) for size in weight.shape)]
 
+                # align scale dims to weight for correct broadcasting (e.g. [128] -> [128, 1, 1])
+                while scale.ndim < weight.ndim:
+                    scale = scale.unsqueeze(-1)
+
                 return weight.float() * scale
 
             # ref: https://github.com/ModelCloud/GPTQModel/blob/037c5c0f6c9e33c500d975b038d02e7ca437546d/gptqmodel/nn_modules/qlinear/__init__.py#L437-L476
@@ -392,7 +398,7 @@ class ModelBase:
             elif quant_method == "fp8":
                 block_size = quant_config.get("weight_block_size")
                 for name in self.model_tensors.keys():
-                    if name.endswith(".weight_scale_inv"):
+                    if name.endswith("_scale_inv"):
                         weight_name = name.removesuffix("_scale_inv")
                         w = self.model_tensors[weight_name]
                         s = self.model_tensors[name]
@@ -400,6 +406,8 @@ class ModelBase:
                         tensors_to_remove.append(name)
                     if name.endswith(".activation_scale"):  # unused
                         tensors_to_remove.append(name)
+                    if name.endswith("_activation_scale"):  # Mistral-Small-4-119B-2602, unused
+                        tensors_to_remove.append(name)
                     # mistral format
                     if name.endswith(".qscale_weight"):
                         weight_name = name.removesuffix("qscale_weight") + "weight"
@@ -474,7 +482,20 @@ class ModelBase:
                                 tensors_to_remove.append(base_name + "_zero_point")
                 else:
                     raise NotImplementedError(f"Quant format {quant_format!r} for method {quant_method!r} is not yet supported")
-            else:
+            elif quant_method == "modelopt":
+                # Mixed-precision ModelOpt models: NVFP4 tensors are handled by
+                # _generate_nvfp4_tensors; FP8 tensors have 1D weight_scale and
+                # are dequantized here. input_scale tensors are unused.
+                for name in self.model_tensors.keys():
+                    if name.endswith(".weight_scale"):
+                        weight_name = name.removesuffix("_scale")
+                        w = self.model_tensors[weight_name]
+                        s = self.model_tensors[name]
+                        self.model_tensors[weight_name] = lambda w=w, s=s: dequant_simple(w(), s(), None)
+                        tensors_to_remove.append(name)
+                    if name.endswith((".input_scale", ".k_scale", ".v_scale")):
+                        tensors_to_remove.append(name)
+            elif quant_method is not None:
                 raise NotImplementedError(f"Quant method is not yet supported: {quant_method!r}")
 
         for name in tensors_to_remove:
@@ -520,12 +541,6 @@ class ModelBase:
         raise NotImplementedError("set_gguf_parameters() must be implemented in subclasses")
 
     def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]:
-        # skip NVFP4 auxiliary tensors (handled in _generate_nvfp4_tensors)
-        if self._is_nvfp4:
-            if name.endswith((".weight_scale", ".weight_scale_2", ".input_scale", ".k_scale", ".v_scale")):
-                return []
-            if name.endswith(".weight") and name.replace(".weight", ".weight_scale") in self.model_tensors:
-                return []
 
         new_name = self.map_tensor_name(name)
 
@@ -609,6 +624,7 @@ class ModelBase:
         expert_scales: dict[tuple[int, str], list[tuple[int, float]]] = {}
         expert_shapes: dict[tuple[int, str], list[int]] = {}
         n_experts = self.find_hparam(["num_local_experts", "num_experts"], optional=True) or 0
+        consumed: list[str] = []
 
         for name in list(self.model_tensors.keys()):
             if not name.endswith(".weight"):
@@ -620,8 +636,18 @@ class ModelBase:
             # Force eager materialization of lazy tensors
             weight = LazyTorchTensor.to_eager(self.model_tensors[name]())
             scale = LazyTorchTensor.to_eager(self.model_tensors[scale_name]())
+
+            # Skip non-NVFP4 tensors (e.g. FP8 with per-channel 1D scales)
+            if scale.ndim < 2:
+                continue
+
             scale2 = LazyTorchTensor.to_eager(self.model_tensors.get(scale2_name, lambda: torch.tensor(1.0))())
 
+            # Mark tensors for removal from model_tensors (already written to gguf)
+            consumed.extend([name, scale_name])
+            if scale2_name in self.model_tensors:
+                consumed.append(scale2_name)
+
             # Check if this is a per-expert tensor
             m = re.search(r'\.experts\.(\d+)\.(gate_proj|up_proj|down_proj)\.weight$', name)
             if m:
@@ -652,6 +678,15 @@ class ModelBase:
         for (bid, proj_type) in list(expert_blocks.keys()):
             self._flush_nvfp4_experts((bid, proj_type), expert_blocks, expert_scales, expert_shapes, bid, proj_type)
 
+        # Remove consumed tensors so get_tensors/modify_tensors won't see them
+        for name in consumed:
+            self.model_tensors.pop(name, None)
+
+        # Remove unused auxiliary tensors (input_scale, k_scale, v_scale)
+        for name in list(self.model_tensors.keys()):
+            if name.endswith((".input_scale", ".k_scale", ".v_scale")):
+                del self.model_tensors[name]
+
     def _flush_nvfp4_experts(self, key, expert_blocks, expert_scales, expert_shapes, bid, proj_type):
         experts = expert_blocks.pop(key)
         scales = expert_scales.pop(key)
@@ -677,20 +712,31 @@ class ModelBase:
     def prepare_tensors(self):
         # detect NVFP4 quantization (ModelOpt format)
         quant_algo = (self.hparams.get("quantization_config") or {}).get("quant_algo")
+        quant_layers = (self.hparams.get("quantization_config") or {}).get("quantized_layers") or {}
         quant_config_file = self.dir_model / "hf_quant_config.json"
 
-        if not quant_algo and quant_config_file.is_file():
+        if (not quant_algo or not quant_layers) and quant_config_file.is_file():
             with open(quant_config_file, "r", encoding="utf-8") as f:
-                quant_algo = (json.load(f).get("quantization") or {}).get("quant_algo")
+                quant_config = json.load(f).get("quantization") or {}
+                quant_algo = quant_config.get("quant_algo", quant_algo)
+                quant_layers = quant_config.get("quantized_layers", quant_layers) or {}
+
+        # Some models use per-tensor quant_algo (e.g. "MIXED_PRECISION" with
+        # per-layer NVFP4/FP8) instead of a single global "NVFP4" value.
+        if quant_algo != "NVFP4":
+            if any(v.get("quant_algo") == "NVFP4" for v in quant_layers.values() if isinstance(v, dict)):
+                quant_algo = "NVFP4"
 
         self._is_nvfp4 = quant_algo == "NVFP4"
 
-        self.dequant_model()
-
-        # NVFP4 weights are repacked and written directly to gguf_writer
+        # NVFP4 weights are repacked and written directly to gguf_writer.
+        # This must run before dequant_model so NVFP4 tensors are removed
+        # from model_tensors, leaving only non-NVFP4 (e.g. FP8) for dequant.
         if self._is_nvfp4:
             self._generate_nvfp4_tensors()
 
+        self.dequant_model()
+
         # Handle empty tensor_map for models with block_count=0 (like MobileNetV5)
         if self.tensor_map.mapping:
             max_name_len = max(len(s) for _, s in self.tensor_map.mapping.values()) + len(".weight,")
@@ -2992,10 +3038,16 @@ class LlavaVisionModel(MmprojModel):
     def get_token_id(self, token: str) -> int:
         tokenizer_config_file = self.dir_model / 'tokenizer_config.json'
         with open(tokenizer_config_file, "r", encoding="utf-8") as f:
-            added_tokens_decoder = json.load(f)['added_tokens_decoder']
+            added_tokens_decoder = json.load(f).get('added_tokens_decoder') or {}
             for id_, token_data in added_tokens_decoder.items():
-                if token_data["content"] == token:
+                if token_data.get("content") == token:
                     return int(id_)
+            # fallthrough to tokenizer.json
+        with open(self.dir_model / "tokenizer.json", "r", encoding="utf-8") as f:
+            tokenizer_json = json.load(f)
+            for token_data in tokenizer_json["added_tokens"]:
+                if token_data["content"] == token:
+                    return int(token_data["id"])
         raise ValueError(f"Token '{token}' not found in tokenizer config.")
 
     def set_gguf_parameters(self):
@@ -3159,40 +3211,6 @@ class Llama4VisionModel(MmprojModel):
                 yield from super().modify_tensors(data_torch, name, bid)
 
 
-@ModelBase.register(
-    "Mistral3ForConditionalGeneration",
-    "Ministral3ForCausalLM",
-)
-class Mistral3Model(LlamaModel):
-    model_arch = gguf.MODEL_ARCH.MISTRAL3
-
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        # for compatibility, we use LLAMA arch for older models
-        # TODO: remove this once everyone has migrated to newer version of llama.cpp
-        if self.hparams.get("model_type") != "ministral3":
-            self.model_arch = gguf.MODEL_ARCH.LLAMA
-            self.gguf_writer.arch = gguf.MODEL_ARCH_NAMES[self.model_arch]
-            self.gguf_writer.add_architecture()
-            self.tensor_map = gguf.get_tensor_name_map(self.model_arch, self.block_count)
-
-    def set_gguf_parameters(self):
-        super().set_gguf_parameters()
-        rope_params = self.rope_parameters
-        if self.hparams.get("model_type") == "ministral3":
-            assert rope_params, "ministral3 must have 'rope_parameters' config"
-            assert rope_params["rope_type"] == "yarn", "ministral3 rope_type must be 'yarn'"
-            self.gguf_writer.add_rope_scaling_yarn_log_mul(rope_params["mscale_all_dim"])
-            self.gguf_writer.add_attn_temperature_scale(rope_params["llama_4_scaling_beta"])
-
-    def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None):
-        name = name.replace("language_model.", "")
-        if "multi_modal_projector" in name or "vision_tower" in name:
-            return
-
-        yield from super().modify_tensors(data_torch, name, bid)
-
-
 @ModelBase.register("DeciLMForCausalLM")
 class DeciModel(TextModel):
     model_arch = gguf.MODEL_ARCH.DECI
@@ -8232,6 +8250,8 @@ class DeepseekV2Model(TextModel):
     # TODO @ngxson : remove this when we support MTP for deepseek models
     skip_mtp = True
 
+    merge_expert = True
+
     def set_vocab(self):
         try:
             self._set_vocab_gpt2()
@@ -8370,7 +8390,7 @@ class DeepseekV2Model(TextModel):
                 return
 
         # process the experts separately
-        if name.find("mlp.experts") != -1:
+        if self.merge_expert and name.find("mlp.experts") != -1:
             n_experts = self.hparams["n_routed_experts"]
             assert bid is not None
 
@@ -8429,6 +8449,69 @@ class DeepseekV2Model(TextModel):
                 raise ValueError(f"Unprocessed experts: {experts}")
 
 
+@ModelBase.register(
+    "Mistral3ForConditionalGeneration",
+    "Ministral3ForCausalLM",
+)
+class Mistral3Model(TextModel):
+    class Ministral3Model(LlamaModel):
+        model_arch = gguf.MODEL_ARCH.MISTRAL3
+
+        def set_gguf_parameters(self):
+            super().set_gguf_parameters()
+            rope_params = self.rope_parameters
+            if self.hparams.get("model_type") == "ministral3":
+                assert rope_params, "ministral3 must have 'rope_parameters' config"
+                assert rope_params["rope_type"] == "yarn", "ministral3 rope_type must be 'yarn'"
+                self.gguf_writer.add_rope_scaling_yarn_log_mul(rope_params["mscale_all_dim"])
+                self.gguf_writer.add_attn_temperature_scale(rope_params["llama_4_scaling_beta"])
+
+        def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None):
+            name = name.replace("language_model.", "")
+            if "multi_modal_projector" in name or "vision_tower" in name:
+                return
+
+            yield from super().modify_tensors(data_torch, name, bid)
+
+    class Mistral4Model(DeepseekV2Model):
+        model_arch = gguf.MODEL_ARCH.MISTRAL4
+        skip_mtp = False # model contains no MTP layers, so no need to skip
+        merge_expert = False # experts are already stacked as 3D
+
+        def modify_tensors(self, data_torch, name, bid):
+            if name.endswith(".down_proj") or name.endswith(".gate_up_proj"):
+                name = name + ".weight"
+            yield from super().modify_tensors(data_torch, name, bid)
+
+    model_arch = gguf.MODEL_ARCH.MISTRAL3 # unused
+    impl: TextModel
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if self.hparams.get("model_type") == "mistral4":
+            self.impl = Mistral3Model.Mistral4Model(*args, **kwargs)
+        else:
+            self.impl = Mistral3Model.Ministral3Model(*args, **kwargs)
+
+    def set_vocab(self):
+        self.impl.set_vocab()
+
+    def set_gguf_parameters(self):
+        self.impl.set_gguf_parameters()
+
+    def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None):
+        yield from self.impl.modify_tensors(data_torch, name, bid)
+
+    def prepare_tensors(self):
+        self.impl.prepare_tensors()
+
+    def write_vocab(self):
+        self.impl.write_vocab()
+
+    def write(self):
+        self.impl.write()
+
+
 @ModelBase.register("MiniMaxM2ForCausalLM")
 class MiniMaxM2Model(TextModel):
     model_arch = gguf.MODEL_ARCH.MINIMAXM2
diff --git a/docs/ops.md b/docs/ops.md
index 00bdcd5d2b..1357771442 100644
--- a/docs/ops.md
+++ b/docs/ops.md
@@ -117,5 +117,5 @@ Legend:
 |                            TOP_K | ❌ | ❌ | ✅ | ❌ | ✅ | ❌ | 🟡 | 🟡 | ✅ | ❌ | ❌ |
 |                              TRI | ❌ | ❌ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ❌ | ❌ | ❌ |
 |                            TRUNC | ❌ | ❌ | ✅ | 🟡 | ❌ | ❌ | 🟡 | 🟡 | ✅ | ❌ | ❌ |
-|                          UPSCALE | ❌ | 🟡 | ✅ | ✅ | 🟡 | 🟡 | 🟡 | ✅ | ❌ | ❌ | ❌ |
+|                          UPSCALE | ❌ | 🟡 | ✅ | ✅ | 🟡 | 🟡 | ✅ | ✅ | ❌ | ❌ | ❌ |
 |                            XIELU | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ✅ | ✅ | ❌ | ❌ |
diff --git a/docs/ops/SYCL.csv b/docs/ops/SYCL.csv
index 13ac447cc1..afcb7e4b8e 100644
--- a/docs/ops/SYCL.csv
+++ b/docs/ops/SYCL.csv
@@ -5937,6 +5937,20 @@
 "SYCL0","RMS_NORM_BACK","type=f32,ne=[1025,5,4,3],eps=0.100000","support","1","yes","SYCL"
 "SYCL0","L2_NORM","type=f32,ne=[1025,5,4,3],eps=0.100000,v=0","support","1","yes","SYCL"
 "SYCL0","L2_NORM","type=f32,ne=[1025,5,4,3],eps=0.100000,v=1","support","1","yes","SYCL"
+"SYCL0","NORM","type=f32,ne=[64,5,4,3],v=0,eps=10.000000","support","1","yes","SYCL"
+"SYCL0","RMS_NORM","type=f32,ne=[64,5,4,3],v=0,eps=10.000000,inplace=0","support","1","yes","SYCL"
+"SYCL0","NORM","type=f32,ne=[64,5,4,3],v=1,eps=10.000000","support","1","yes","SYCL"
+"SYCL0","RMS_NORM","type=f32,ne=[64,5,4,3],v=1,eps=10.000000,inplace=0","support","1","yes","SYCL"
+"SYCL0","RMS_NORM_BACK","type=f32,ne=[64,5,4,3],eps=10.000000","support","1","yes","SYCL"
+"SYCL0","L2_NORM","type=f32,ne=[64,5,4,3],eps=10.000000,v=0","support","1","yes","SYCL"
+"SYCL0","L2_NORM","type=f32,ne=[64,5,4,3],eps=10.000000,v=1","support","1","yes","SYCL"
+"SYCL0","NORM","type=f32,ne=[1025,5,4,3],v=0,eps=10.000000","support","1","yes","SYCL"
+"SYCL0","RMS_NORM","type=f32,ne=[1025,5,4,3],v=0,eps=10.000000,inplace=0","support","1","yes","SYCL"
+"SYCL0","NORM","type=f32,ne=[1025,5,4,3],v=1,eps=10.000000","support","1","yes","SYCL"
+"SYCL0","RMS_NORM","type=f32,ne=[1025,5,4,3],v=1,eps=10.000000,inplace=0","support","1","yes","SYCL"
+"SYCL0","RMS_NORM_BACK","type=f32,ne=[1025,5,4,3],eps=10.000000","support","1","yes","SYCL"
+"SYCL0","L2_NORM","type=f32,ne=[1025,5,4,3],eps=10.000000,v=0","support","1","yes","SYCL"
+"SYCL0","L2_NORM","type=f32,ne=[1025,5,4,3],eps=10.000000,v=1","support","1","yes","SYCL"
 "SYCL0","RMS_NORM","type=f32,ne=[64,5,4,3],v=0,eps=0.000001,inplace=1","support","1","yes","SYCL"
 "SYCL0","SSM_CONV","type=f32,ne_a=[3,1024,1,1],ne_b=[3,1024,1,1]","support","1","yes","SYCL"
 "SYCL0","SSM_CONV","type=f32,ne_a=[6,1024,1,1],ne_b=[3,1024,1,1]","support","1","yes","SYCL"
@@ -10209,24 +10223,24 @@
 "SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=nearest,transpose=1","support","1","yes","SYCL"
 "SYCL0","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=nearest","support","1","yes","SYCL"
 "SYCL0","UPSCALE","type=f32,ne=[5,7,11,13],ne_tgt=[2,5,7,11],mode=nearest","support","1","yes","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bilinear,transpose=0","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bilinear,transpose=1","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=bilinear","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[5,7,11,13],ne_tgt=[2,5,7,11],mode=bilinear","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bicubic,transpose=0","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bicubic,transpose=1","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=bicubic","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[5,7,11,13],ne_tgt=[2,5,7,11],mode=bicubic","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bilinear|antialias,transpose=0","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bilinear|antialias,transpose=1","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=bilinear|antialias","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[5,7,11,13],ne_tgt=[2,5,7,11],mode=bilinear|antialias","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=bilinear|align_corners","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[1,4,3,2],ne_tgt=[2,8,3,2],mode=bilinear|align_corners","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[4,1,3,2],ne_tgt=[1,1,3,2],mode=bilinear|align_corners","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=bicubic|align_corners","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[1,4,3,2],ne_tgt=[2,8,3,2],mode=bicubic|align_corners","support","0","no","SYCL"
-"SYCL0","UPSCALE","type=f32,ne=[4,1,3,2],ne_tgt=[1,1,3,2],mode=bicubic|align_corners","support","0","no","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bilinear,transpose=0","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bilinear,transpose=1","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=bilinear","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[5,7,11,13],ne_tgt=[2,5,7,11],mode=bilinear","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bicubic,transpose=0","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bicubic,transpose=1","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=bicubic","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[5,7,11,13],ne_tgt=[2,5,7,11],mode=bicubic","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bilinear|antialias,transpose=0","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[512,512,3,2],scale_factor=2,mode=bilinear|antialias,transpose=1","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=bilinear|antialias","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[5,7,11,13],ne_tgt=[2,5,7,11],mode=bilinear|antialias","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=bilinear|align_corners","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[1,4,3,2],ne_tgt=[2,8,3,2],mode=bilinear|align_corners","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[4,1,3,2],ne_tgt=[1,1,3,2],mode=bilinear|align_corners","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[2,5,7,11],ne_tgt=[5,7,11,13],mode=bicubic|align_corners","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[1,4,3,2],ne_tgt=[2,8,3,2],mode=bicubic|align_corners","support","1","yes","SYCL"
+"SYCL0","UPSCALE","type=f32,ne=[4,1,3,2],ne_tgt=[1,1,3,2],mode=bicubic|align_corners","support","1","yes","SYCL"
 "SYCL0","SUM","type=f32,ne=[10,5,4,3]","support","1","yes","SYCL"
 "SYCL0","SUM","type=f32,ne=[11,5,6,3],permute=[0,2,1,3]","support","0","no","SYCL"
 "SYCL0","SUM","type=f32,ne=[11,5,6,3],permute=[0,3,2,1]","support","0","no","SYCL"
@@ -13325,6 +13339,262 @@
 "SYCL0","FLASH_ATTN_EXT","hsk=256,hsv=256,nh=4,nr23=[4,1],kv=512,nb=3,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","1","yes","SYCL"
 "SYCL0","FLASH_ATTN_EXT","hsk=256,hsv=256,nh=4,nr23=[4,1],kv=512,nb=32,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","1","yes","SYCL"
 "SYCL0","FLASH_ATTN_EXT","hsk=256,hsv=256,nh=4,nr23=[4,1],kv=512,nb=75,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","1","yes","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=113,nb=1,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=113,nb=3,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=113,nb=32,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=113,nb=75,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=512,nb=1,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=512,nb=1,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,2,1,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=512,nb=3,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=512,nb=3,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,2,1,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=512,nb=32,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=512,nb=32,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,2,1,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=512,nb=75,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[1,1],kv=512,nb=75,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,2,1,3]","support","0","no","SYCL"
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+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[32,1],kv=512,nb=32,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=1,nr23=[32,1],kv=512,nb=75,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=113,nb=1,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=113,nb=3,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=113,nb=32,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=113,nb=75,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=512,nb=1,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=512,nb=3,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=512,nb=32,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=512,nb=75,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=1024,nb=1,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=1024,nb=3,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=1024,nb=32,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[1,1],kv=1024,nb=75,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[4,1],kv=512,nb=1,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[4,1],kv=512,nb=3,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[4,1],kv=512,nb=32,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
+"SYCL0","FLASH_ATTN_EXT","hsk=320,hsv=256,nh=4,nr23=[4,1],kv=512,nb=75,mask=0,sinks=0,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
 "SYCL0","FLASH_ATTN_EXT","hsk=576,hsv=512,nh=1,nr23=[1,1],kv=113,nb=1,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
 "SYCL0","FLASH_ATTN_EXT","hsk=576,hsv=512,nh=1,nr23=[1,1],kv=113,nb=3,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
 "SYCL0","FLASH_ATTN_EXT","hsk=576,hsv=512,nh=1,nr23=[1,1],kv=113,nb=32,mask=1,sinks=1,max_bias=0.000000,logit_softcap=0.000000,prec=f32,type_KV=f16,permute=[0,1,2,3]","support","0","no","SYCL"
diff --git a/ggml/src/ggml-cpu/arch/arm/quants.c b/ggml/src/ggml-cpu/arch/arm/quants.c
index c1856201b3..82b048bb3a 100644
--- a/ggml/src/ggml-cpu/arch/arm/quants.c
+++ b/ggml/src/ggml-cpu/arch/arm/quants.c
@@ -666,7 +666,7 @@ void ggml_vec_dot_nvfp4_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const vo
 
     float sumf = 0;
 
-#if defined __ARM_NEON
+#if defined(__ARM_NEON) && defined(__ARM_FEATURE_FMA)
     const int8x16_t values = vld1q_s8(kvalues_mxfp4);
     const uint8x16_t m4b = vdupq_n_u8(0x0f);
     float32x4_t acc = vdupq_n_f32(0.0f);
diff --git a/ggml/src/ggml-cpu/kleidiai/kleidiai.cpp b/ggml/src/ggml-cpu/kleidiai/kleidiai.cpp
index 9bcc18d442..7a5924944a 100644
--- a/ggml/src/ggml-cpu/kleidiai/kleidiai.cpp
+++ b/ggml/src/ggml-cpu/kleidiai/kleidiai.cpp
@@ -1473,10 +1473,12 @@ class extra_buffer_type : ggml::cpu::extra_buffer_type {
             if (op->src[0]->buffer && op->src[0]->buffer->buft == ggml_backend_cpu_kleidiai_buffer_type()) {
                 return (ggml::cpu::tensor_traits *) op->src[0]->extra;
             } else {
+                if (op->src[0]->type != GGML_TYPE_F16) {
+                    return nullptr;
+                }
                 std::array<ggml_kleidiai_kernels *, GGML_KLEIDIAI_MAX_KERNEL_SLOTS> kernel_chain;
                 const int slot_total = kleidiai_collect_kernel_chain(op, kernel_chain);
-                const bool has_kernel = slot_total > 0;
-                if (has_kernel && op->src[1]->ne[1] > 1) {
+                if (slot_total > 0 && op->src[1]->ne[1] > 1) {
                     if ((op->src[0]->nb[1] * op->src[0]->ne[1] != op->src[0]->nb[2]) ||
                         (op->src[1]->nb[1] * op->src[1]->ne[1] != op->src[1]->nb[2])) {
                         return nullptr;
diff --git a/ggml/src/ggml-cpu/ops.cpp b/ggml/src/ggml-cpu/ops.cpp
index 314cc1088a..3f85e531da 100644
--- a/ggml/src/ggml-cpu/ops.cpp
+++ b/ggml/src/ggml-cpu/ops.cpp
@@ -6205,7 +6205,7 @@ static void ggml_compute_forward_im2col_f16(
     const ggml_tensor * src1 = dst->src[1];
 
     GGML_ASSERT(src0->type == GGML_TYPE_F16);
-    GGML_ASSERT(src1->type == GGML_TYPE_F32);
+    GGML_ASSERT(src1->type == GGML_TYPE_F16 || src1->type == GGML_TYPE_F32);
     GGML_ASSERT( dst->type == GGML_TYPE_F16);
 
     GGML_TENSOR_BINARY_OP_LOCALS;
@@ -6236,7 +6236,7 @@ static void ggml_compute_forward_im2col_f16(
     int ofs1 = is_2D ? nb12 : nb11;
 
     GGML_ASSERT(nb00 == sizeof(ggml_fp16_t));
-    GGML_ASSERT(nb10 == sizeof(float));
+    GGML_ASSERT(nb10 == ggml_type_size(src1->type));
 
     // im2col: [N, IC, IH, IW] => [N, OH, OW, IC*KH*KW]
     {
@@ -6249,7 +6249,12 @@ static void ggml_compute_forward_im2col_f16(
 
                         // micro kernel
                         ggml_fp16_t * dst_data = wdata + (in*OH*OW + ioh*OW + iow)*(IC*KH*KW); // [IC, KH, KW]
-                        const float * const src_data = (float *)((char *) src1->data + in*ofs0 + iic*ofs1); // [IH, IW]
+                        const float * const src_data_f32 = src1->type == GGML_TYPE_F32
+                            ? (const float *)((const char *) src1->data + in*ofs0 + iic*ofs1)
+                            : nullptr; // [IH, IW]
+                        const ggml_fp16_t * const src_data_f16 = src1->type == GGML_TYPE_F16
+                            ? (const ggml_fp16_t *)((const char *) src1->data + in*ofs0 + iic*ofs1)
+                            : nullptr; // [IH, IW]
 
                         for (int64_t ikh = 0; ikh < KH; ikh++) {  // 1
                             for (int64_t ikw = 0; ikw < KW; ikw++) {
@@ -6259,7 +6264,11 @@ static void ggml_compute_forward_im2col_f16(
                                 if (iih < 0 || iih >= IH || iiw < 0 || iiw >= IW) {
                                     dst_data[iic*(KH*KW) + ikh*KW + ikw] = 0;
                                 } else {
-                                    dst_data[iic*(KH*KW) + ikh*KW + ikw] = GGML_CPU_FP32_TO_FP16(src_data[iih*IW + iiw]);
+                                    if (src_data_f32 != nullptr) {
+                                        dst_data[iic*(KH*KW) + ikh*KW + ikw] = GGML_CPU_FP32_TO_FP16(src_data_f32[iih*IW + iiw]);
+                                    } else {
+                                        dst_data[iic*(KH*KW) + ikh*KW + ikw] = src_data_f16[iih*IW + iiw];
+                                    }
                                 }
                             }
                         }
diff --git a/ggml/src/ggml-cuda/gated_delta_net.cu b/ggml/src/ggml-cuda/gated_delta_net.cu
index 1ce6d5f31b..6b44bec731 100644
--- a/ggml/src/ggml-cuda/gated_delta_net.cu
+++ b/ggml/src/ggml-cuda/gated_delta_net.cu
@@ -1,7 +1,8 @@
 #include "gated_delta_net.cuh"
 
 template <int S_v, bool KDA>
-__global__ void gated_delta_net_cuda(const float * q,
+__global__ void __launch_bounds__((ggml_cuda_get_physical_warp_size() < S_v ? ggml_cuda_get_physical_warp_size() : S_v) * 4, 2)
+gated_delta_net_cuda(const float * q,
                                      const float * k,
                                      const float * v,
                                      const float * g,
@@ -38,7 +39,7 @@ __global__ void gated_delta_net_cuda(const float * q,
 
     const int64_t state_offset = (sequence * H + h_idx) * S_v * S_v;
     state += state_offset;
-    curr_state += state_offset;
+    curr_state += state_offset + col * S_v;
     attn_data += (sequence * n_tokens * H + h_idx) * S_v;
 
     constexpr int warp_size = ggml_cuda_get_physical_warp_size() < S_v ? ggml_cuda_get_physical_warp_size() : S_v;
@@ -46,10 +47,11 @@ __global__ void gated_delta_net_cuda(const float * q,
     constexpr int rows_per_lane = (S_v + warp_size - 1) / warp_size;
     float         s_shard[rows_per_lane];
     // state is stored transposed: M[col][i] = S[i][col], row col is contiguous
+
 #pragma unroll
     for (int r = 0; r < rows_per_lane; r++) {
         const int i = r * warp_size + lane;
-        s_shard[r]  = curr_state[col * S_v + i];
+        s_shard[r]  = curr_state[i];
     }
 
     for (int t = 0; t < n_tokens; t++) {
@@ -63,6 +65,16 @@ __global__ void gated_delta_net_cuda(const float * q,
 
         const float beta_val = *beta_t;
 
+        // Cache k and q in registers
+        float k_reg[rows_per_lane];
+        float q_reg[rows_per_lane];
+#pragma unroll
+        for (int r = 0; r < rows_per_lane; r++) {
+            const int i = r * warp_size + lane;
+            k_reg[r] = k_t[i];
+            q_reg[r] = q_t[i];
+        }
+
         if constexpr (!KDA) {
             const float g_val = expf(*g_t);
 
@@ -70,8 +82,7 @@ __global__ void gated_delta_net_cuda(const float * q,
             float kv_shard = 0.0f;
 #pragma unroll
             for (int r = 0; r < rows_per_lane; r++) {
-                const int i = r * warp_size + lane;
-                kv_shard += s_shard[r] * k_t[i];
+                kv_shard += s_shard[r] * k_reg[r];
             }
             float kv_col = warp_reduce_sum<warp_size>(kv_shard);
 
@@ -83,9 +94,8 @@ __global__ void gated_delta_net_cuda(const float * q,
             float attn_partial = 0.0f;
 #pragma unroll
             for (int r = 0; r < rows_per_lane; r++) {
-                const int i = r * warp_size + lane;
-                s_shard[r]  = g_val * s_shard[r] + k_t[i] * delta_col;
-                attn_partial += s_shard[r] * q_t[i];
+                s_shard[r]  = g_val * s_shard[r] + k_reg[r] * delta_col;
+                attn_partial += s_shard[r] * q_reg[r];
             }
 
             float attn_col = warp_reduce_sum<warp_size>(attn_partial);
@@ -99,7 +109,7 @@ __global__ void gated_delta_net_cuda(const float * q,
 #pragma unroll
             for (int r = 0; r < rows_per_lane; r++) {
                 const int i = r * warp_size + lane;
-                kv_shard += expf(g_t[i]) * s_shard[r] * k_t[i];
+                kv_shard += expf(g_t[i]) * s_shard[r] * k_reg[r];
             }
 
             float kv_col = warp_reduce_sum<warp_size>(kv_shard);
@@ -113,8 +123,8 @@ __global__ void gated_delta_net_cuda(const float * q,
 #pragma unroll
             for (int r = 0; r < rows_per_lane; r++) {
                 const int i = r * warp_size + lane;
-                s_shard[r]  = expf(g_t[i]) * s_shard[r] + k_t[i] * delta_col;
-                attn_partial += s_shard[r] * q_t[i];
+                s_shard[r]  = expf(g_t[i]) * s_shard[r] + k_reg[r] * delta_col;
+                attn_partial += s_shard[r] * q_reg[r];
             }
 
             float attn_col = warp_reduce_sum<warp_size>(attn_partial);
diff --git a/ggml/src/ggml-openvino/ggml-decoder.cpp b/ggml/src/ggml-openvino/ggml-decoder.cpp
index b663cd67f6..aed4d65fee 100644
--- a/ggml/src/ggml-openvino/ggml-decoder.cpp
+++ b/ggml/src/ggml-openvino/ggml-decoder.cpp
@@ -19,7 +19,6 @@
 #include <iomanip>
 #include <map>
 #include <memory>
-#include <mutex>
 #include <openvino/core/dimension.hpp>
 #include <openvino/core/except.hpp>
 #include <openvino/core/node.hpp>
@@ -70,6 +69,7 @@ GgmlOvDecoder::GgmlOvDecoder(ggml_cgraph * cgraph,
     validate_cgraph();
 
     set_input_output();
+    compute_node_dynamic_dims();
     compute_model_inputs();
     compute_model_outputs();
 
@@ -332,7 +332,7 @@ void GgmlOvDecoder::validate_cgraph() const {
     }
 }
 
-ov::PartialShape GgmlOvDecoder::get_graph_input_shape(const ggml_tensor * op, const ggml_tensor * input) const {
+ov::PartialShape GgmlOvDecoder::get_graph_input_shape(const ggml_tensor * op, const ggml_tensor * input, int dynamic_dim_index) const {
     if (m_naive) {
         return input!= nullptr ? ov::PartialShape{get_shape(input)} : ov::PartialShape{get_shape(op)};
     }
@@ -383,6 +383,9 @@ ov::PartialShape GgmlOvDecoder::get_graph_input_shape(const ggml_tensor * op, co
     } else {
         input_shape = ov::PartialShape{get_shape(input)};
     }
+    if (dynamic_dim_index != -1) {
+        input_shape[3 - dynamic_dim_index] = -1;
+    }
     return input_shape;
 }
 
@@ -445,7 +448,7 @@ void GgmlOvDecoder::compute_model_inputs() {
             if (m_model_weights.find(node_name) == m_model_weights.end()) {
                 m_inputs[node_name] = node;
                 auto param_node =
-                    std::make_shared<ov::op::v0::Parameter>(get_ov_type(node), get_graph_input_shape(node, nullptr));
+                    std::make_shared<ov::op::v0::Parameter>(get_ov_type(node), get_graph_input_shape(node, nullptr, m_node_dynamic_dims[node]));
                 param_node->set_friendly_name(node_name);
                 param_node->output(0).get_tensor().set_names({node_name});
                 m_model_inputs[node_name] = param_node;
@@ -489,7 +492,7 @@ void GgmlOvDecoder::compute_model_inputs() {
                     m_model_params.kv_names.push_back(src_name);
                 }
             }
-            ov::PartialShape param_shape = get_graph_input_shape(node, src);
+            ov::PartialShape param_shape = get_graph_input_shape(node, src, m_node_dynamic_dims[src]);
             auto param_node = std::make_shared<ov::op::v0::Parameter>(get_ov_type(src), param_shape);
             param_node->set_friendly_name(src_name);
             param_node->output(0).get_tensor().set_names({src_name});
@@ -575,9 +578,6 @@ std::map<std::string, std::string> GgmlOvDecoder::get_kv_param_res_names() const
 }
 
 std::map<std::string, std::shared_ptr<ov::Node>> GgmlOvDecoder::create_weight_nodes(ggml_cgraph * cgraph, bool naive) {
-    static std::mutex weights_mutex;
-    std::lock_guard<std::mutex> lock(weights_mutex);
-
     std::map<std::string, std::shared_ptr<ov::Node>> model_weights;
     auto * nodes = cgraph->nodes;
     auto n_nodes = cgraph->n_nodes;
@@ -974,4 +974,266 @@ const std::string & GgmlOvDecoder::get_op_type(int node_idx) const {
 const std::string & GgmlOvDecoder::get_op_type() const {
     static const std::string unknown_op = "UNKNOWN_GGML_OP";
     return unknown_op;
+}
+
+void GgmlOvDecoder::compute_node_dynamic_dims() {
+    auto visit_node = [&](auto && self, ggml_tensor * node) -> void {
+        if (!node) {
+            return;
+        }
+
+        if (node->op == GGML_OP_CPY) {
+            m_node_dynamic_dims[node] = -1;
+        }
+
+        if (m_node_dynamic_dims.count(node)) {
+            return;
+        }
+        for (int i = 0; i < GGML_MAX_SRC; i++) {
+            ggml_tensor * src = node->src[i];
+            if (src == nullptr) {
+                continue;
+            }
+            struct ggml_tensor *root_src = nullptr;
+            // if (src->org_src) {
+            //     root_src = src->org_src;
+            // }
+            if (root_src) {
+                if (is_inp_tok(root_src, node) || is_inp_pos(root_src, node) ||
+                    is_output_idx(root_src, node)) {
+                    m_node_dynamic_dims[root_src] = 0;
+                    m_node_dynamic_dims[src] = m_node_dynamic_dims[root_src];
+                    continue;
+                }
+                self(self, root_src);
+                m_node_dynamic_dims[src] = m_node_dynamic_dims[root_src];
+            } else {
+                if (is_inp_tok(src, node) || is_inp_pos(src, node) || is_output_idx(src, node)) {
+                    m_node_dynamic_dims[src] = 0;
+                    continue;
+                }
+                self(self, src);
+            }
+        }
+        switch (node->op) {
+        case GGML_OP_NONE:
+            m_node_dynamic_dims[node] = -1;
+            break;
+        case GGML_OP_GET_ROWS:
+            m_node_dynamic_dims[node] = -1;
+            if (m_node_dynamic_dims[node->src[1]] != -1) {
+                auto dynamic_dim_idx = m_node_dynamic_dims[node->src[1]];
+                auto dynamic_dim_value = node->src[1]->ne[dynamic_dim_idx];
+                if (dynamic_dim_idx == 0) {
+                    m_node_dynamic_dims[node] = 1;
+                } else {
+                    auto dynamic_dim_stride = node->src[1]->nb[dynamic_dim_idx] / ggml_type_size(node->src[1]->type) *
+                                              ggml_type_size(node->src[0]->type);
+                    for (int i = 0; i < GGML_MAX_DIMS; i++) {
+                        if (dynamic_dim_stride == node->src[0]->nb[i]) {
+                            m_node_dynamic_dims[node] = i;
+                            break;
+                        }
+                    }
+                }
+                OPENVINO_ASSERT(dynamic_dim_value == node->ne[m_node_dynamic_dims[node]],
+                                "Dynamic dim value mismatch for node: " + std::string(node->name) +
+                                    " and its src[1]: " + std::string(node->src[1]->name));
+            }
+            break;
+        case GGML_OP_MUL:
+        case GGML_OP_MUL_MAT:
+            m_node_dynamic_dims[node] = -1;
+            if (m_node_dynamic_dims[node->src[0]] != -1) {
+                m_node_dynamic_dims[node] = m_node_dynamic_dims[node->src[0]];
+            }
+            if (m_node_dynamic_dims[node->src[1]] != -1) {
+                m_node_dynamic_dims[node] = m_node_dynamic_dims[node->src[1]];
+            }
+            break;
+        case GGML_OP_PERMUTE:
+            m_node_dynamic_dims[node] = -1;
+            if (m_node_dynamic_dims[node->src[0]] != -1) {
+                auto dynamic_dim_idx = m_node_dynamic_dims[node->src[0]];
+                auto dynamic_dim_value = node->src[0]->ne[dynamic_dim_idx];
+                for (int i = 0; i < GGML_MAX_DIMS; i++) {
+                    if (node->op_params[i] == dynamic_dim_idx) {
+                        m_node_dynamic_dims[node] = i;
+                        break;
+                    }
+                }
+                OPENVINO_ASSERT(dynamic_dim_value == node->ne[m_node_dynamic_dims[node]],
+                                "Dynamic dim value mismatch for node: " + std::string(node->name) +
+                                    " and its src[0]: " + std::string(node->src[0]->name));
+            }
+            break;
+        case GGML_OP_VIEW: {
+            // Use stride-based matching: the stride of a VIEW dimension directly
+            // encodes which source dimension it indexes into, so it uniquely
+            // identifies the dynamic dim even when two dims share the same size.
+            m_node_dynamic_dims[node] = -1;
+            if (m_node_dynamic_dims[node->src[0]] != -1) {
+                auto dynamic_dim_idx   = m_node_dynamic_dims[node->src[0]];
+                auto dynamic_dim_value = node->src[0]->ne[dynamic_dim_idx];
+                auto dynamic_dim_stride =
+                    node->src[0]->nb[dynamic_dim_idx] / ggml_type_size(node->src[0]->type) *
+                    ggml_type_size(node->type);
+                for (int i = 0; i < GGML_MAX_DIMS; i++) {
+                    if (node->nb[i] == dynamic_dim_stride) {
+                        m_node_dynamic_dims[node] = i;
+                        break;
+                    }
+                }
+                OPENVINO_ASSERT(m_node_dynamic_dims[node] != -1 &&
+                                dynamic_dim_value == node->ne[m_node_dynamic_dims[node]],
+                                "Dynamic dim value mismatch for node: " + std::string(node->name) +
+                                    " and its src[0]: " + std::string(node->src[0]->name));
+            }
+            break;
+        }
+        case GGML_OP_RESHAPE: {
+            // RESHAPE requires src[0] to be contiguous, so both src and result
+            // have standard compact strides: nb[i] = type_size * prod(ne[0..i-1]).
+            // Match src->nb[dynamic_dim] against result->nb[i] to find the output
+            // dimension whose flat-memory boundary aligns with the source dynamic
+            // boundary. This is unambiguous (result strides are strictly monotone)
+            // and handles merged-lower-dim cases that ne-value matching misses.
+            m_node_dynamic_dims[node] = -1;
+            if (m_node_dynamic_dims[node->src[0]] != -1) {
+                auto dynamic_dim_idx    = m_node_dynamic_dims[node->src[0]];
+                auto dynamic_dim_stride = node->src[0]->nb[dynamic_dim_idx];
+                for (int i = 0; i < GGML_MAX_DIMS; i++) {
+                    if (node->nb[i] == dynamic_dim_stride && node->ne[i] == node->src[0]->ne[dynamic_dim_idx]) {
+                        m_node_dynamic_dims[node] = i;
+                        break;
+                    }
+                }
+                if (m_node_dynamic_dims[node] == -1) {
+                    std::cout << "Cannot determine dynamic dim for RESHAPE node: " << node->name << std::endl;
+                }
+            }
+            break;
+        }
+        case GGML_OP_FLASH_ATTN_EXT: {
+            // Output shape is hard-coded in ggml_flash_attn_ext as:
+            //   ne = { v->ne[0], q->ne[2], q->ne[1], q->ne[3] }
+            // i.e. output dim 0 <- v dim 0 (head_size, static)
+            //      output dim 1 <- q dim 2 (n_heads,   static)
+            //      output dim 2 <- q dim 1 (n_tokens,  potentially dynamic)
+            //      output dim 3 <- q dim 3 (batch,     static)
+            // Using the fixed q-dim -> output-dim mapping table.
+            // q is src[0]; the mapping from q's dynamic dim to the output dim is:
+            //   q dim 1 -> output dim 2
+            //   q dim 2 -> output dim 1
+            //   q dim 3 -> output dim 3
+            //   q dim 0 -> output dim 0  (head_size axis, unlikely to be dynamic)
+            constexpr int q_to_out[GGML_MAX_DIMS] = { 0, 2, 1, 3 };
+            m_node_dynamic_dims[node] = -1;
+            if (m_node_dynamic_dims[node->src[0]] != -1) {
+                auto q_dynamic_dim = m_node_dynamic_dims[node->src[0]];
+                m_node_dynamic_dims[node] = q_to_out[q_dynamic_dim];
+            }
+            break;
+        }
+        case GGML_OP_CONT:
+            m_node_dynamic_dims[node] = -1;
+            if (m_node_dynamic_dims[node->src[0]] != -1) {
+                auto dynamic_dim_idx = m_node_dynamic_dims[node->src[0]];
+                if (ggml_are_same_shape(node, node->src[0])) {
+                    m_node_dynamic_dims[node] = dynamic_dim_idx;
+                } else {
+                    size_t src_logical_nb[GGML_MAX_DIMS];
+                    src_logical_nb[0] = ggml_type_size(node->src[0]->type);
+                    src_logical_nb[1] = src_logical_nb[0] *
+                                        (node->src[0]->ne[0] / ggml_blck_size(node->src[0]->type));
+                    for (int i = 2; i < GGML_MAX_DIMS; i++) {
+                        src_logical_nb[i] = src_logical_nb[i - 1] * node->src[0]->ne[i - 1];
+                    }
+
+                    auto dynamic_dim_stride = src_logical_nb[dynamic_dim_idx] /
+                                              ggml_type_size(node->src[0]->type) *
+                                              ggml_type_size(node->type);
+                    int matched_dim_count = 0;
+                    for (int i = 0; i < GGML_MAX_DIMS; i++) {
+                        if (node->nb[i] == dynamic_dim_stride && node->ne[i] == node->src[0]->ne[dynamic_dim_idx]) {
+                            m_node_dynamic_dims[node] = i;
+                            matched_dim_count++;
+                        }
+                    }
+
+                    OPENVINO_ASSERT(matched_dim_count == 1,
+                                    "Cannot determine dynamic dim for CONT node: " + std::string(node->name));
+                }
+            }
+            break;
+        case GGML_OP_RMS_NORM:
+        case GGML_OP_ADD:
+        case GGML_OP_GLU:
+        case GGML_OP_ROPE:
+        case GGML_OP_SCALE:
+        case GGML_OP_TRANSPOSE:
+        case GGML_OP_SOFT_MAX:
+        case GGML_OP_ARGSORT:
+        case GGML_OP_ADD_ID:
+            m_node_dynamic_dims[node] = m_node_dynamic_dims[node->src[0]];
+            break;
+        case GGML_OP_MUL_MAT_ID:
+            m_node_dynamic_dims[node] = m_node_dynamic_dims[node->src[1]];
+            break;
+        case GGML_OP_CPY:
+        case GGML_OP_SET_ROWS:
+            m_node_dynamic_dims[node] = -1;
+            break;
+        default:
+            std::cout << "Doesn't handle node name: " << node->name << " op: " << ggml_op_name(node->op) << std::endl;
+            break;
+        }
+    };
+
+    for (int i = 0; i < m_cgraph->n_nodes; i++) {
+        ggml_tensor * node = m_cgraph->nodes[i];
+        visit_node(visit_node, node);
+    }
+
+    // print the nodes in m_cgraph name & shape with the dynamic dim (the dynamic dim is the dimension with -1 in m_node_dynamic_dims) for debugging
+    if (0) {
+        for (int i = 0; i < m_cgraph->n_nodes; i++) {
+            ggml_tensor * node = m_cgraph->nodes[i];
+            int dynamic_dim = m_node_dynamic_dims[node];
+            std::cout << "[" << i << "] " << "node_name: " << node->name << " op: " << ggml_op_name(node->op)
+                      << " shape: [";
+            for (int j = 0; j < 4; j++) {
+                if (j == dynamic_dim) {
+                    std::cout << "*";
+                } else {
+                    std::cout << node->ne[j];
+                }
+                if (j < 3) {
+                    std::cout << ", ";
+                }
+            }
+            std::cout << "]" << std::endl;
+            // print the src name & shape with the dynamic dim for debugging
+            for (int j = 0; j < GGML_MAX_SRC; j++) {
+                ggml_tensor * src = node->src[j];
+                if (src == nullptr) {
+                    continue;
+                }
+                int src_dynamic_dim = m_node_dynamic_dims[src];
+                std::cout << "    [" << j << "] src_name: " << src->name << " [";
+                for (int k = 0; k < 4; k++) {
+                    if (k == src_dynamic_dim) {
+                        std::cout << "*";
+                    } else {
+                        std::cout << src->ne[k];
+                    }
+                    if (k < 3) {
+                        std::cout << ", ";
+                    }
+                }
+                std::cout << "]" << std::endl;
+            }
+            std::cout << std::endl;
+        }
+    }
 }
\ No newline at end of file
diff --git a/ggml/src/ggml-openvino/ggml-decoder.h b/ggml/src/ggml-openvino/ggml-decoder.h
index 9ed52c894d..c793c3d6ae 100644
--- a/ggml/src/ggml-openvino/ggml-decoder.h
+++ b/ggml/src/ggml-openvino/ggml-decoder.h
@@ -180,7 +180,7 @@ public:
         return m_model_is_splitted;
     }
 
-    ov::PartialShape get_graph_input_shape(const ggml_tensor * op, const ggml_tensor * input) const;
+    ov::PartialShape get_graph_input_shape(const ggml_tensor * op, const ggml_tensor * input, int dynamic_dim_index=-1) const;
 
     static void dump_cgraph(const ggml_cgraph * cgraph, std::string & filename);
 
@@ -278,6 +278,9 @@ private:
     void compute_model_inputs();
     void compute_model_outputs();
 
+    // Infer and propagate dynamic-dimension indices for all tensors in the GGML graph.
+    void compute_node_dynamic_dims();
+
     void validate_cgraph() const;
 
     ggml_cgraph * m_cgraph = nullptr;
@@ -290,6 +293,7 @@ private:
     std::map<std::string, ggml_tensor *> m_model_outputs;
     std::vector<std::string> m_model_output_names;
     std::vector<NodeInfo> m_node_info_list;
+    std::map<ggml_tensor *, int> m_node_dynamic_dims;
 
     ModelParams m_model_params;
     ComputeParams m_compute_params;
diff --git a/ggml/src/ggml-openvino/utils.cpp b/ggml/src/ggml-openvino/utils.cpp
index e8a5821c86..a90906fc29 100644
--- a/ggml/src/ggml-openvino/utils.cpp
+++ b/ggml/src/ggml-openvino/utils.cpp
@@ -108,17 +108,23 @@ enum ggml_status ov_graph_compute_dynamic(ggml_cgraph * cgraph, std::shared_ptr<
     int64_t infer_end_time;
 
     {
-        std::lock_guard<std::mutex> lock(r_ctx->ov_compute_mutex);
+        std::shared_ptr<std::mutex> mutex;
 
         auto it = r_ctx->decoder_cache.find(key);
 
         cache_hit = it != r_ctx->decoder_cache.end();
         ModelParams old_m_params;
         if (cache_hit) {
-            ggml_decoder = it->second;
+            mutex = it->second->mutex;
+            std::lock_guard<std::mutex> lock(*(mutex));
+            ggml_decoder = it->second->ptr;
             old_m_params = ggml_decoder->get_model_params();
             cache_hit = old_m_params.can_reuse_dynamically(m_params);
+        } else {
+            mutex = std::make_shared<std::mutex>();
+            r_ctx->decoder_cache[key] = std::make_shared<decoder_runtime_ctx>(mutex);
         }
+        std::lock_guard<std::mutex> lock(*(mutex));
 
         if (cache_hit) {
             std::map<std::string, std::shared_ptr<ov::Node>> model_weights;
@@ -202,7 +208,7 @@ enum ggml_status ov_graph_compute_dynamic(ggml_cgraph * cgraph, std::shared_ptr<
             compile_end_time = ggml_time_us();
             infer_request = std::make_shared<ov::InferRequest>(compiled_model.create_infer_request());
             r_ctx->infer_request_cache[key] = infer_request;
-            r_ctx->decoder_cache[key] = ggml_decoder;
+            r_ctx->decoder_cache.at(key)->ptr = ggml_decoder;
 
             std::vector<std::string> ov_input_names;
             std::vector<std::string> ov_output_names;
@@ -308,15 +314,23 @@ enum ggml_status ov_graph_compute_static(ggml_cgraph * cgraph, std::shared_ptr<o
     int64_t compile_end_time;
     int64_t infer_end_time;
 
+    std::shared_ptr<std::mutex> mutex;
+
     auto it = r_ctx->decoder_cache.find(key);
 
     cache_hit = it != r_ctx->decoder_cache.end();
     ModelParams old_m_params;
     if (cache_hit) {
-        ggml_decoder = it->second;
+        mutex = it->second->mutex;
+        std::lock_guard<std::mutex> lock(*(mutex));
+        ggml_decoder = it->second->ptr;
         old_m_params = ggml_decoder->get_model_params();
         cache_hit = old_m_params.can_reuse_statically(m_params);
+    } else {
+        mutex = std::make_shared<std::mutex>();
+        r_ctx->decoder_cache[key] = std::make_shared<decoder_runtime_ctx>(mutex);
     }
+    std::lock_guard<std::mutex> lock(*(mutex));
 
     if (cache_hit) {
         std::map<std::string, std::shared_ptr<ov::Node>> model_weights;
@@ -383,7 +397,7 @@ enum ggml_status ov_graph_compute_static(ggml_cgraph * cgraph, std::shared_ptr<o
         model = is_prefill ? model_prefill : model_decode;
         ggml_decoder = is_prefill ? ggml_decoder_prefill : ggml_decoder_decode;
         infer_request = is_prefill ? r_ctx->infer_request_cache_prefill[key] : r_ctx->infer_request_cache[key];
-        r_ctx->decoder_cache[key] = ggml_decoder;
+        r_ctx->decoder_cache.at(key)->ptr = ggml_decoder;
 
         std::vector<std::string> ov_input_names;
         std::vector<std::string> ov_output_names;
diff --git a/ggml/src/ggml-openvino/utils.h b/ggml/src/ggml-openvino/utils.h
index 977a2fa9b8..b58a11282b 100644
--- a/ggml/src/ggml-openvino/utils.h
+++ b/ggml/src/ggml-openvino/utils.h
@@ -40,11 +40,17 @@ struct graph_key_hash {
     }
 };
 
+struct decoder_runtime_ctx {
+    decoder_runtime_ctx(std::shared_ptr<std::mutex> mutex) :
+        mutex(mutex) {}
+    std::shared_ptr<std::mutex> mutex;
+    std::shared_ptr<GgmlOvDecoder> ptr;
+};
+
 struct ov_runtime_context {
-    std::mutex ov_compute_mutex;
     std::string device;
     bool stateful;
-    std::unordered_map<graph_key, std::shared_ptr<GgmlOvDecoder>, graph_key_hash> decoder_cache;
+    std::unordered_map<graph_key, std::shared_ptr<decoder_runtime_ctx>, graph_key_hash> decoder_cache;
     std::unordered_map<graph_key, std::shared_ptr<ov::InferRequest>, graph_key_hash> infer_request_cache;
     std::unordered_map<graph_key, std::shared_ptr<ov::InferRequest>, graph_key_hash> infer_request_cache_prefill;
     std::unordered_map<graph_key, std::vector<std::string>, graph_key_hash> ov_input_names_cache;
diff --git a/ggml/src/ggml-sycl/backend.hpp b/ggml/src/ggml-sycl/backend.hpp
index b30b7f2beb..a526d8e58b 100644
--- a/ggml/src/ggml-sycl/backend.hpp
+++ b/ggml/src/ggml-sycl/backend.hpp
@@ -24,6 +24,7 @@
 #include "dmmv.hpp"
 #include "element_wise.hpp"
 #include "fattn.hpp"
+#include "gated_delta_net.hpp"
 #include "gla.hpp"
 #include "im2col.hpp"
 #include "mmq.hpp"
@@ -31,6 +32,7 @@
 #include "norm.hpp"
 #include "outprod.hpp"
 #include "pad.hpp"
+#include "pad_reflect_1d.hpp"
 #include "quantize.hpp"
 #include "quants.hpp"
 #include "roll.hpp"
@@ -39,8 +41,8 @@
 #include "ssm_conv.hpp"
 #include "softmax.hpp"
 #include "tsembd.hpp"
+#include "upscale.hpp"
 #include "wkv.hpp"
-#include "pad_reflect_1d.hpp"
 
 
 #endif  // GGML_SYCL_BACKEND_HPP
diff --git a/ggml/src/ggml-sycl/element_wise.cpp b/ggml/src/ggml-sycl/element_wise.cpp
index acd51bf45b..ec0247528c 100644
--- a/ggml/src/ggml-sycl/element_wise.cpp
+++ b/ggml/src/ggml-sycl/element_wise.cpp
@@ -294,30 +294,6 @@ static void unary_op_trunc_kernel(const T * x, T * dst, const int k, const sycl:
     }
 }
 
-template<typename  T>
-static void upscale(const T  *x, T *dst, const int nb00, const int nb01,
-                        const int nb02, const int nb03, const int ne10, const int ne11,
-                        const int ne12, const int ne13, const float sf0, const float sf1,
-                        const float sf2, const float sf3, const sycl::nd_item<1> &item_ct1) {
-    int index = item_ct1.get_local_id(0) +
-               item_ct1.get_group(0) * item_ct1.get_local_range(0);
-    if (index >= ne10 * ne11 * ne12 * ne13) {
-        return;
-    }
-    // operation
-    int i10 = index % ne10;
-    int i11 = (index / ne10) % ne11;
-    int i12 = (index / (ne10 * ne11)) % ne12;
-    int i13 = (index / (ne10 * ne11 * ne12)) % ne13;
-
-    int i00 = static_cast<int>(i10 / sf0);
-    int i01 = static_cast<int>(i11 / sf1);
-    int i02 = static_cast<int>(i12 / sf2);
-    int i03 = static_cast<int>(i13 / sf3);
-
-    dst[index] = *(const T *)((const char *)x + i03 * nb03 + i02 * nb02 + i01 * nb01 + i00 * nb00);
-}
-
 template<typename T>
 static void clamp(const T * x, T * dst, const float min, const float max, const int k,
                       const sycl::nd_item<1> &item_ct1) {
@@ -392,20 +368,6 @@ static void arange_kernel(T * dst, const int k, T start, T step,
     }
 }
 
-template<typename T>
-static void upscale_sycl(const T *x, T *dst, const int nb00, const int nb01,
-                             const int nb02, const int nb03, const int ne10, const int ne11,
-                             const int ne12, const int ne13, const float sf0, const float sf1,
-                             const float sf2, const float sf3, queue_ptr stream) {
-    int dst_size = ne10 * ne11 * ne12 * ne13;
-    int num_blocks = ceil_div(dst_size, SYCL_UPSCALE_BLOCK_SIZE);
-    sycl::range<1> gridDim(num_blocks * SYCL_UPSCALE_BLOCK_SIZE);
-    stream->parallel_for(
-        sycl::nd_range<1>(gridDim, sycl::range<1>(SYCL_UPSCALE_BLOCK_SIZE)), [=](sycl::nd_item<1> item_ct1) {
-            upscale(x, dst, nb00, nb01, nb02, nb03, ne10, ne11, ne12, ne13, sf0, sf1, sf2, sf3, item_ct1);
-        });
-}
-
 template<typename KernelInvoker, typename... Args>
 static inline void dispatch_ggml_sycl_op_unary(ggml_backend_sycl_context & ctx, ggml_tensor * dst, KernelInvoker kernel_invoker, Args&&... args) {
     GGML_ASSERT(dst->src[0]->type == GGML_TYPE_F32 || dst->src[0]->type == GGML_TYPE_F16);
@@ -505,42 +467,6 @@ static inline void dispatch_ggml_sycl_op_fused_glu(ggml_backend_sycl_context & c
     }
 }
 
-template<typename KernelInvoker, typename... Args>
-static inline void dispatch_ggml_sycl_op_upscale(ggml_backend_sycl_context & ctx, ggml_tensor * dst, KernelInvoker kernel_invoker, Args&&... args) {
-    GGML_ASSERT(dst->src[0]->type == GGML_TYPE_F32 || dst->src[0]->type == GGML_TYPE_F16);
-    GGML_ASSERT(dst->type == GGML_TYPE_F32 || dst->type == GGML_TYPE_F16);
-
-    GGML_ASSERT(dst->src[0]->type == dst->type);
-
-    dpct::queue_ptr main_stream = ctx.stream();
-    SYCL_CHECK(ggml_sycl_set_device(ctx.device));
-
-    const float sf0 = (float) dst->ne[0] / dst->src[0]->ne[0];
-    const float sf1 = (float) dst->ne[1] / dst->src[0]->ne[1];
-    const float sf2 = (float) dst->ne[2] / dst->src[0]->ne[2];
-    const float sf3 = (float) dst->ne[3] / dst->src[0]->ne[3];
-    switch (dst->type) {
-        case GGML_TYPE_F16:
-            {
-                auto data_pts = cast_data<sycl::half>(dst);
-                kernel_invoker(data_pts.src, data_pts.dst, (int)dst->src[0]->nb[0], (int)dst->src[0]->nb[1], (int)dst->src[0]->nb[2],
-                               (int)dst->src[0]->nb[3], (int)dst->ne[0], (int)dst->ne[1], (int)dst->ne[2], (int)dst->ne[3], sf0, sf1, sf2, sf3,
-                               main_stream, std::forward<Args>(args)...);
-                break;
-            }
-        case GGML_TYPE_F32:
-            {
-                auto data_pts = cast_data<float>(dst);
-                kernel_invoker(data_pts.src, data_pts.dst, (int)dst->src[0]->nb[0], (int)dst->src[0]->nb[1], (int)dst->src[0]->nb[2],
-                               (int)dst->src[0]->nb[3], (int)dst->ne[0], (int)dst->ne[1], (int)dst->ne[2], (int)dst->ne[3], sf0, sf1, sf2, sf3,
-                               main_stream, std::forward<Args>(args)...);
-                break;
-            }
-        default:
-            GGML_ABORT("GGML tensor type not supported!\n");
-    }
-}
-
 template<typename F>
 static inline void ggml_sycl_op_unary(
         ggml_backend_sycl_context & ctx, ggml_tensor * dst, F func) {
@@ -784,15 +710,6 @@ static inline void ggml_sycl_op_sqr(ggml_backend_sycl_context & ctx, ggml_tensor
         });
 }
 
-static inline void ggml_sycl_op_upscale(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
-    ggml_sycl_detail::dispatch_ggml_sycl_op_upscale(ctx, dst,
-        [](const auto* src, auto* dst_ptr, int nb00, int nb01, int nb02, int nb03,
-           int ne10, int ne11, int ne12, int ne13, float sf0, float sf1, float sf2, float sf3,
-           queue_ptr stream) {
-            ggml_sycl_detail::upscale_sycl(src, dst_ptr, nb00, nb01, nb02, nb03, ne10, ne11, ne12, ne13, sf0, sf1, sf2, sf3, stream);
-        });
-}
-
 static inline void ggml_sycl_op_clamp(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
     float min_val;
     float max_val;
@@ -1131,12 +1048,6 @@ void ggml_sycl_sqr(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
     ggml_sycl_op_sqr(ctx, dst);
 }
 
-void ggml_sycl_upscale(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
-    scope_op_debug_print scope_dbg_print(__func__, dst, /*num_src=*/1);
-    ggml_sycl_op_upscale(ctx, dst);
-}
-
-
 void ggml_sycl_clamp(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
     scope_op_debug_print scope_dbg_print(__func__, dst, /*num_src=*/1);
     ggml_sycl_op_clamp(ctx, dst);
diff --git a/ggml/src/ggml-sycl/element_wise.hpp b/ggml/src/ggml-sycl/element_wise.hpp
index 7c71974687..997132166a 100644
--- a/ggml/src/ggml-sycl/element_wise.hpp
+++ b/ggml/src/ggml-sycl/element_wise.hpp
@@ -71,8 +71,6 @@ void ggml_sycl_leaky_relu(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
 
 void ggml_sycl_sqr(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
 
-void ggml_sycl_upscale(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
-
 void ggml_sycl_clamp(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
 
 void ggml_sycl_sgn(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
diff --git a/ggml/src/ggml-sycl/ggml-sycl.cpp b/ggml/src/ggml-sycl/ggml-sycl.cpp
index 1281970584..2ec1421841 100644
--- a/ggml/src/ggml-sycl/ggml-sycl.cpp
+++ b/ggml/src/ggml-sycl/ggml-sycl.cpp
@@ -44,7 +44,6 @@
 #include "ggml-sycl/backend.hpp"
 #include "ggml-sycl/common.hpp"
 #include "ggml-sycl/element_wise.hpp"
-#include "ggml-sycl/gated_delta_net.hpp"
 #include "ggml-sycl/gemm.hpp"
 #include "ggml-sycl/getrows.hpp"
 #include "ggml-sycl/norm.hpp"
@@ -4863,9 +4862,8 @@ static bool ggml_backend_sycl_device_supports_op(ggml_backend_dev_t dev, const g
         case GGML_OP_ROPE:
         case GGML_OP_ROPE_BACK:
         case GGML_OP_IM2COL:
-            return true;
         case GGML_OP_UPSCALE:
-            return op->src[0]->type == GGML_TYPE_F32 && op->op_params[0] == GGML_SCALE_MODE_NEAREST && !(op->op_params[0] & GGML_SCALE_FLAG_ANTIALIAS);
+            return true;
         case GGML_OP_SUM:
         case GGML_OP_SUM_ROWS:
         case GGML_OP_MEAN:
diff --git a/ggml/src/ggml-sycl/upscale.cpp b/ggml/src/ggml-sycl/upscale.cpp
new file mode 100644
index 0000000000..18c743de44
--- /dev/null
+++ b/ggml/src/ggml-sycl/upscale.cpp
@@ -0,0 +1,410 @@
+#include "upscale.hpp"
+
+static void upscale_f32(const float * x, float * dst,
+        const int nb00, const int nb01, const int nb02, const int nb03,
+        const int ne10, const int ne11, const int ne12, const int ne13,
+        const float sf0, const float sf1, const float sf2, const float sf3) {
+    auto item_ct1 = sycl::ext::oneapi::this_work_item::get_nd_item<3>();
+    int  index    = item_ct1.get_local_id(2) + item_ct1.get_group(2) * item_ct1.get_local_range(2);
+    if (index >= ne10 * ne11 * ne12 * ne13) {
+        return;
+    }
+
+    int i10 = index % ne10;
+    int i11 = (index / ne10) % ne11;
+    int i12 = (index / (ne10 * ne11)) % ne12;
+    int i13 = (index / (ne10 * ne11 * ne12)) % ne13;
+
+    int i00 = i10 / sf0;
+    int i01 = i11 / sf1;
+    int i02 = i12 / sf2;
+    int i03 = i13 / sf3;
+
+    dst[index] = *((const float*)((const char*)x + i03 * nb03 + i02 * nb02 +
+                                  i01 * nb01 + i00 * nb00));
+}
+
+static void upscale_f32_bilinear(const float * x, float * dst,
+        const int nb00, const int nb01, const int nb02, const int nb03,
+        const int ne00_src, const int ne01_src,
+        const int ne10_dst, const int ne11_dst, const int ne12_dst, const int ne13_dst,
+        const float sf0, const float sf1, const float sf2, const float sf3,
+        const float pixel_offset) {
+    auto item_ct1 = sycl::ext::oneapi::this_work_item::get_nd_item<3>();
+    const int64_t index = item_ct1.get_local_id(2) +
+        item_ct1.get_group(2) * item_ct1.get_local_range(2);
+    const int64_t dst_total_elements = ne10_dst * ne11_dst * ne12_dst * ne13_dst;
+
+  if (index >= dst_total_elements) {
+    return;
+  }
+
+    const int i10_dst = index % ne10_dst;
+    const int i11_dst = (index / ne10_dst) % ne11_dst;
+    const int i12_dst = (index / (ne10_dst * ne11_dst)) % ne12_dst;
+    const int i13_dst = index / (ne10_dst * ne11_dst * ne12_dst);
+
+    const int i02_src = (int)(i12_dst / sf2);
+    const int i03_src = (int)(i13_dst / sf3);
+
+    const float y_src_f = ((float)i11_dst + pixel_offset) / sf1 - pixel_offset;
+    int         y0_src    = (int) sycl::floor((float) y_src_f);
+    int y1_src    = y0_src + 1;
+
+    y0_src = sycl::max(0, sycl::min(y0_src, ne01_src - 1));
+    y1_src = sycl::max(0, sycl::min(y1_src, ne01_src - 1));
+
+    float dy = y_src_f - (float)y0_src;
+    dy       = sycl::max(0.0f, sycl::min(dy, 1.0f));
+
+    float x_src_f = ((float)i10_dst + pixel_offset) / sf0 - pixel_offset;
+    int   x0_src    = (int) sycl::floor(x_src_f);
+    int x1_src    = x0_src + 1;
+
+    x0_src = sycl::max(0, sycl::min(x0_src, ne00_src - 1));
+    x1_src = sycl::max(0, sycl::min(x1_src, ne00_src - 1));
+
+    float dx = x_src_f - (float)x0_src;
+    dx       = sycl::max(0.0f, sycl::min(dx, 1.0f));
+
+    const float* p_a =
+        (const float*)((const char*)x + (int64_t)x0_src * nb00 +
+                       (int64_t)y0_src * nb01 + (int64_t)i02_src * nb02 +
+                       (int64_t)i03_src * nb03);
+    const float* p_b =
+        (const float*)((const char*)x + (int64_t)x1_src * nb00 +
+                       (int64_t)y0_src * nb01 + (int64_t)i02_src * nb02 +
+                       (int64_t)i03_src * nb03);
+    const float* p_c =
+        (const float*)((const char*)x + (int64_t)x0_src * nb00 +
+                       (int64_t)y1_src * nb01 + (int64_t)i02_src * nb02 +
+                       (int64_t)i03_src * nb03);
+    const float* p_d =
+        (const float*)((const char*)x + (int64_t)x1_src * nb00 +
+                       (int64_t)y1_src * nb01 + (int64_t)i02_src * nb02 +
+                       (int64_t)i03_src * nb03);
+
+    const float val_a = *p_a;
+    const float val_b = *p_b;
+    const float val_c = *p_c;
+    const float val_d = *p_d;
+
+    float result = val_a * (1.0f - dx) * (1.0f - dy) +
+                   val_b * dx * (1.0f - dy) +
+                   val_c * (1.0f - dx) * dy +
+                   val_d * dx * dy;
+
+    dst[index] = result;
+}
+
+// Similar to F.interpolate(..., mode="bilinear", align_corners=False, antialias=True)
+// https://github.com/pytorch/pytorch/blob/8871ff29b743948d1225389d5b7068f37b22750b/aten/src/ATen/native/cpu/UpSampleKernel.cpp
+static void upscale_f32_bilinear_antialias(const float * src0,
+                                           float *       dst,
+                                           const int     nb00,
+                                           const int     nb01,
+                                           const int     nb02,
+                                           const int     nb03,
+                                           const int     ne00_src,
+                                           const int     ne01_src,
+                                           const int     ne10_dst,
+                                           const int     ne11_dst,
+                                           const int     ne12_dst,
+                                           const int     ne13_dst,
+                                           const float   sf0,
+                                           const float   sf1,
+                                           const float   sf2,
+                                           const float   sf3,
+                                           const float   pixel_offset) {
+    auto item_ct1 = sycl::ext::oneapi::this_work_item::get_nd_item<3>();
+    const int64_t index = item_ct1.get_local_id(2) +
+        item_ct1.get_group(2) * item_ct1.get_local_range(2);
+    const int64_t dst_total_elements = ne10_dst * ne11_dst * ne12_dst * ne13_dst;
+
+    if (index >= dst_total_elements) {
+        return;
+    }
+
+    const int i10_dst = index % ne10_dst;
+    const int i11_dst = (index / ne10_dst) % ne11_dst;
+    const int i12_dst = (index / (ne10_dst * ne11_dst)) % ne12_dst;
+    const int i13_dst = index / (ne10_dst * ne11_dst * ne12_dst);
+
+    const int i02_src = (int)(i12_dst / sf2);
+    const int i03_src = (int)(i13_dst / sf3);
+
+    const float y = ((float)i11_dst + pixel_offset) / sf1;
+    const float x = ((float)i10_dst + pixel_offset) / sf0;
+
+    // support and invscale, minimum 1 pixel for bilinear
+    const float support1  = sycl::max(1.0f / sf1, 1.0f);
+    const float invscale1 = 1.0f / support1;
+    const float support0  = sycl::max(1.0f / sf0, 1.0f);
+    const float invscale0 = 1.0f / support0;
+
+    // the range of source pixels that contribute
+    const int64_t x_min = sycl::max(int64_t(0), int64_t(x - support0 + pixel_offset));
+    const int64_t x_max = sycl::min(int64_t(ne00_src), int64_t(x + support0 + pixel_offset));
+    const int64_t y_min = sycl::max(int64_t(0), int64_t(y - support1 + pixel_offset));
+    const int64_t y_max = sycl::min(int64_t(ne01_src), int64_t(y + support1 + pixel_offset));
+
+    // bilinear filter with antialiasing
+    float val = 0.0f;
+    float total_weight = 0.0f;
+
+    auto triangle_filter = [](float x) -> float {
+        return sycl::max(1.0f - sycl::fabs(x), 0.0f);
+    };
+
+    for (int64_t sy = y_min; sy < y_max; sy++) {
+        const float weight_y = triangle_filter((sy - y + pixel_offset) * invscale1);
+
+        for (int64_t sx = x_min; sx < x_max; sx++) {
+            const float weight_x = triangle_filter((sx - x + pixel_offset) * invscale0);
+            const float weight = weight_x * weight_y;
+
+            if (weight <= 0.0f) {
+                continue;
+            }
+
+            const float pixel =
+                *(const float*)((const char*)src0 + sx * nb00 + sy * nb01 +
+                                i02_src * nb02 + i03_src * nb03);
+            val += pixel * weight;
+            total_weight += weight;
+        }
+    }
+
+    if (total_weight > 0.0f) {
+        val /= total_weight;
+    }
+
+    dst[index] = val;
+}
+
+namespace bicubic_interpolation {
+static float weight1(float x, const float &a) { return ((a + 2) * x - (a + 3)) * x * x + 1; };
+static float weight2(float x, const float &a) { return ((a * x - 5 * a) * x + 8 * a) * x - 4 * a; };
+
+static float bicubic(float p0, float p1, float p2, float p3, float x, float a) {
+    const float w0 = weight2(x + 1, a);
+    const float w1 = weight1(x + 0, a);
+    const float w2 = weight1(1 - x, a);
+    const float w3 = weight2(2 - x, a);
+    return p0 * w0 + p1 * w1 + p2 * w2 + p3 * w3;
+};
+
+}
+
+static void upscale_f32_bicubic(const float * x, float * dst,
+        const int nb00, const int nb01, const int nb02, const int nb03,
+        const int ne00_src, const int ne01_src,
+        const int ne10_dst, const int ne11_dst, const int ne12_dst, const int ne13_dst,
+        const float sf0, const float sf1, const float sf2, const float sf3,
+        const float pixel_offset) {
+    auto item_ct1 = sycl::ext::oneapi::this_work_item::get_nd_item<3>();
+    const float a = -0.75f;
+    using bicubic_interpolation::bicubic;
+
+    const int64_t index = item_ct1.get_local_id(2) +
+        item_ct1.get_group(2) * item_ct1.get_local_range(2);
+    const int64_t dst_total_elements =
+        ne10_dst * ne11_dst * ne12_dst * ne13_dst;
+
+    if (index >= dst_total_elements) {
+        return;
+    }
+
+    const int i10_dst = index % ne10_dst;
+    const int i11_dst = (index / ne10_dst) % ne11_dst;
+    const int i12_dst = (index / (ne10_dst * ne11_dst)) % ne12_dst;
+    const int i13_dst = index / (ne10_dst * ne11_dst * ne12_dst);
+
+    const int i02_src = (int)(i12_dst / sf2);
+    const int i03_src = (int)(i13_dst / sf3);
+
+    const float y_src_f = ((float)i11_dst + pixel_offset) / sf1 - pixel_offset;
+    const int   y0_src  = (int) sycl::floor((float) y_src_f);
+    const float dy      = y_src_f - (float)y0_src;
+
+    const float x_src_f = ((float)i10_dst + pixel_offset) / sf0 - pixel_offset;
+    const int   x0_src  = (int) sycl::floor((float) x_src_f);
+    const float dx      = x_src_f - (float)x0_src;
+
+    const char * x_base = (const char *)x + (int64_t)i02_src * nb02 + (int64_t)i03_src * nb03;
+
+    auto load = [=](int x_off, int y_off) -> float {
+        int i00_src = sycl::max(0, sycl::min(x0_src + x_off, ne00_src - 1));
+        int i01_src = sycl::max(0, sycl::min(y0_src + y_off, ne01_src - 1));
+        return *(const float *)(x_base + (int64_t)i00_src * nb00 + (int64_t)i01_src * nb01);
+    };
+
+    const float result = bicubic(
+        bicubic(load(-1, -1), load(0, -1), load(1, -1), load(2, -1), dx, a),
+        bicubic(load(-1, 0), load(0, 0), load(1, 0), load(2, 0), dx, a),
+        bicubic(load(-1, 1), load(0, 1), load(1, 1), load(2, 1), dx, a),
+        bicubic(load(-1, 2), load(0, 2), load(1, 2), load(2, 2), dx, a),
+        dy,
+        a);
+
+    dst[index] = result;
+}
+
+static void upscale_f32_sycl(const float *   x,
+                             float *         dst,
+                             const int       nb00,
+                             const int       nb01,
+                             const int       nb02,
+                             const int       nb03,
+                             const int       ne10,
+                             const int       ne11,
+                             const int       ne12,
+                             const int       ne13,
+                             const float     sf0,
+                             const float     sf1,
+                             const float     sf2,
+                             const float     sf3,
+                             dpct::queue_ptr stream) {
+    const int64_t dst_size   = ne10 * ne11 * ne12 * ne13;
+    const int64_t num_blocks = (dst_size + SYCL_UPSCALE_BLOCK_SIZE - 1) / SYCL_UPSCALE_BLOCK_SIZE;
+
+    stream->parallel_for(
+        sycl::nd_range<3>(
+            sycl::range<3>(1, 1, num_blocks) * sycl::range<3>(1, 1, SYCL_UPSCALE_BLOCK_SIZE),
+             sycl::range<3>(1, 1, SYCL_UPSCALE_BLOCK_SIZE)),
+        [=](sycl::nd_item<3> item_ct1) {
+            upscale_f32(x, dst, nb00, nb01, nb02, nb03, ne10, ne11, ne12, ne13, sf0, sf1, sf2, sf3);
+        });
+}
+
+static void upscale_f32_bilinear_sycl(const float *   x,
+                                      float *         dst,
+                                      const int       nb00,
+                                      const int       nb01,
+                                      const int       nb02,
+                                      const int       nb03,
+                                      const int       ne00_src,
+                                      const int       ne01_src,
+                                      const int       ne10_dst,
+                                      const int       ne11_dst,
+                                      const int       ne12_dst,
+                                      const int       ne13_dst,
+                                      const float     sf0,
+                                      const float     sf1,
+                                      const float     sf2,
+                                      const float     sf3,
+                                      const float     pixel_offset,
+                                      bool            antialias,
+                                      dpct::queue_ptr stream) {
+    const int64_t dst_size   = ne10_dst * ne11_dst * ne12_dst * ne13_dst;
+    const int64_t num_blocks = (dst_size + SYCL_UPSCALE_BLOCK_SIZE - 1) / SYCL_UPSCALE_BLOCK_SIZE;
+
+    if (antialias) {
+        stream->parallel_for(
+            sycl::nd_range<3>(
+                sycl::range<3>(1, 1, num_blocks) * sycl::range<3>(1, 1, SYCL_UPSCALE_BLOCK_SIZE),
+                sycl::range<3>(1, 1, SYCL_UPSCALE_BLOCK_SIZE)),
+            [=](sycl::nd_item<3> item_ct1) {
+                upscale_f32_bilinear_antialias(
+                    x, dst, nb00, nb01, nb02, nb03, ne00_src, ne01_src, ne10_dst, ne11_dst,
+                    ne12_dst, ne13_dst, sf0, sf1, sf2, sf3, pixel_offset);
+            });
+    } else {
+        stream->parallel_for(
+            sycl::nd_range<3>(
+                sycl::range<3>(1, 1, num_blocks) * sycl::range<3>(1, 1, SYCL_UPSCALE_BLOCK_SIZE),
+                sycl::range<3>(1, 1, SYCL_UPSCALE_BLOCK_SIZE)),
+            [=](sycl::nd_item<3> item_ct1) {
+                upscale_f32_bilinear(
+                    x, dst, nb00, nb01, nb02, nb03, ne00_src, ne01_src, ne10_dst, ne11_dst, ne12_dst,
+                    ne13_dst, sf0, sf1, sf2, sf3, pixel_offset);
+            });
+    }
+}
+
+static void upscale_f32_bicubic_sycl(const float *   x,
+                                     float *         dst,
+                                     const int       nb00,
+                                     const int       nb01,
+                                     const int       nb02,
+                                     const int       nb03,
+                                     const int       ne00_src,
+                                     const int       ne01_src,
+                                     const int       ne10_dst,
+                                     const int       ne11_dst,
+                                     const int       ne12_dst,
+                                     const int       ne13_dst,
+                                     const float     sf0,
+                                     const float     sf1,
+                                     const float     sf2,
+                                     const float     sf3,
+                                     const float     pixel_offset,
+                                     dpct::queue_ptr stream) {
+    const int64_t dst_size   = ne10_dst * ne11_dst * ne12_dst * ne13_dst;
+    const int64_t num_blocks = (dst_size + SYCL_UPSCALE_BLOCK_SIZE - 1) / SYCL_UPSCALE_BLOCK_SIZE;
+
+    {
+        stream->submit([&](sycl::handler & cgh) {
+            cgh.parallel_for(
+                sycl::nd_range<3>(
+                    sycl::range<3>(1, 1, num_blocks) * sycl::range<3>(1, 1, SYCL_UPSCALE_BLOCK_SIZE),
+                    sycl::range<3>(1, 1, SYCL_UPSCALE_BLOCK_SIZE)),
+                [=](sycl::nd_item<3> item_ct1) {
+                    upscale_f32_bicubic(
+                        x, dst, nb00, nb01, nb02, nb03, ne00_src, ne01_src, ne10_dst, ne11_dst,
+                        ne12_dst, ne13_dst, sf0, sf1, sf2, sf3, pixel_offset);
+                });
+        });
+    }
+}
+
+void ggml_sycl_op_upscale(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
+    const ggml_tensor * src0 = dst->src[0];
+    const float * src0_d = (const float *)src0->data;
+    float * dst_d = (float *)dst->data;
+    dpct::queue_ptr     stream = ctx.stream();
+
+    GGML_ASSERT(src0->type == GGML_TYPE_F32);
+    GGML_ASSERT( dst->type == GGML_TYPE_F32);
+
+    const int mode_flags = dst->op_params[0];
+    const ggml_scale_mode mode = (ggml_scale_mode)(mode_flags & 0xFF);
+
+    float sf0 = (float)dst->ne[0]/src0->ne[0];
+    float sf1 = (float)dst->ne[1]/src0->ne[1];
+    float sf2 = (float)dst->ne[2]/src0->ne[2];
+    const float sf3 = (float)dst->ne[3]/src0->ne[3];
+
+    float pixel_offset = 0.5f;
+    if (mode_flags & GGML_SCALE_FLAG_ALIGN_CORNERS) {
+        sf0 = dst->ne[0] > 1 && src0->ne[0] > 1
+            ? (float)(dst->ne[0] - 1) / (src0->ne[0] - 1)
+            : sf0;
+        sf1 = dst->ne[1] > 1 && src0->ne[1] > 1
+            ? (float)(dst->ne[1] - 1) / (src0->ne[1] - 1)
+            : sf1;
+        pixel_offset = 0.0f;
+    }
+
+    if (mode == GGML_SCALE_MODE_NEAREST) {
+        upscale_f32_sycl(
+            src0_d, dst_d, src0->nb[0], src0->nb[1], src0->nb[2], src0->nb[3],
+            dst->ne[0], dst->ne[1], dst->ne[2], dst->ne[3], sf0, sf1, sf2, sf3, stream);
+    } else if (mode == GGML_SCALE_MODE_BILINEAR) {
+        const bool antialias = (mode_flags & GGML_SCALE_FLAG_ANTIALIAS);
+        upscale_f32_bilinear_sycl(
+            src0_d, dst_d, src0->nb[0], src0->nb[1], src0->nb[2], src0->nb[3],
+            src0->ne[0], src0->ne[1], dst->ne[0], dst->ne[1], dst->ne[2], dst->ne[3],
+            sf0, sf1, sf2, sf3, pixel_offset, antialias, stream);
+    } else if (mode == GGML_SCALE_MODE_BICUBIC) {
+        upscale_f32_bicubic_sycl(
+            src0_d, dst_d, src0->nb[0], src0->nb[1], src0->nb[2], src0->nb[3],
+            src0->ne[0], src0->ne[1], dst->ne[0], dst->ne[1], dst->ne[2], dst->ne[3],
+            sf0, sf1, sf2, sf3, pixel_offset, stream);
+    }
+}
+
+void ggml_sycl_upscale(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
+    scope_op_debug_print scope_dbg_print(__func__, dst, /*num_src=*/1);
+    ggml_sycl_op_upscale(ctx, dst);
+}
diff --git a/ggml/src/ggml-sycl/upscale.hpp b/ggml/src/ggml-sycl/upscale.hpp
new file mode 100644
index 0000000000..c36c1bdc97
--- /dev/null
+++ b/ggml/src/ggml-sycl/upscale.hpp
@@ -0,0 +1,9 @@
+#pragma once
+
+#include <sycl/sycl.hpp>
+#include "dpct/helper.hpp"
+#include "common.hpp"
+
+#define SYCL_UPSCALE_BLOCK_SIZE 256
+
+void ggml_sycl_upscale(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
diff --git a/ggml/src/ggml-vulkan/vulkan-shaders/flash_attn.comp b/ggml/src/ggml-vulkan/vulkan-shaders/flash_attn.comp
index ec48f5b115..11b7dce857 100644
--- a/ggml/src/ggml-vulkan/vulkan-shaders/flash_attn.comp
+++ b/ggml/src/ggml-vulkan/vulkan-shaders/flash_attn.comp
@@ -245,7 +245,7 @@ void main() {
 #endif
                     }
                     [[unroll]] for (uint32_t r = 0; r < rows_per_thread; ++r) {
-                        Sf[r][c] += ACC_TYPE(dot(Q_cache[r], K_Tf));
+                        Sf[r][c] += dot(ACC_TYPEV4(Q_cache[r]), ACC_TYPEV4(K_Tf));
                     }
                 }
             }
@@ -270,7 +270,7 @@ void main() {
 #endif
                     }
                     [[unroll]] for (uint32_t r = 0; r < rows_per_thread; ++r) {
-                        Sf[r][c] += ACC_TYPE(dot(Qf[tile_row(r) * qf_stride + d * D_split + d_tid], K_Tf));
+                        Sf[r][c] += dot(ACC_TYPEV4(Qf[tile_row(r) * qf_stride + d * D_split + d_tid]), ACC_TYPEV4(K_Tf));
                     }
                 }
             }
diff --git a/gguf-py/gguf/constants.py b/gguf-py/gguf/constants.py
index bf617382d0..0a032e9039 100644
--- a/gguf-py/gguf/constants.py
+++ b/gguf-py/gguf/constants.py
@@ -478,6 +478,7 @@ class MODEL_ARCH(IntEnum):
     RND1             = auto()
     PANGU_EMBED      = auto()
     MISTRAL3         = auto()
+    MISTRAL4         = auto()
     PADDLEOCR        = auto()
     MIMO2            = auto()
     STEP35           = auto()
@@ -924,6 +925,7 @@ MODEL_ARCH_NAMES: dict[MODEL_ARCH, str] = {
     MODEL_ARCH.RND1:             "rnd1",
     MODEL_ARCH.PANGU_EMBED:      "pangu-embedded",
     MODEL_ARCH.MISTRAL3:         "mistral3",
+    MODEL_ARCH.MISTRAL4:         "mistral4",
     MODEL_ARCH.PADDLEOCR:        "paddleocr",
     MODEL_ARCH.MIMO2:            "mimo2",
     MODEL_ARCH.STEP35:           "step35",
@@ -3538,6 +3540,37 @@ MODEL_TENSORS: dict[MODEL_ARCH, list[MODEL_TENSOR]] = {
         MODEL_TENSOR.FFN_DOWN_EXP,
         MODEL_TENSOR.FFN_UP_EXP,
     ],
+    MODEL_ARCH.MISTRAL4: [
+        MODEL_TENSOR.TOKEN_EMBD,
+        MODEL_TENSOR.OUTPUT_NORM,
+        MODEL_TENSOR.OUTPUT,
+        MODEL_TENSOR.ROPE_FREQS,
+        MODEL_TENSOR.ATTN_NORM,
+        MODEL_TENSOR.ATTN_Q,
+        MODEL_TENSOR.ATTN_Q_A,
+        MODEL_TENSOR.ATTN_Q_B,
+        MODEL_TENSOR.ATTN_KV_A_MQA,
+        MODEL_TENSOR.ATTN_KV_B,
+        MODEL_TENSOR.ATTN_K_B,
+        MODEL_TENSOR.ATTN_V_B,
+        MODEL_TENSOR.ATTN_Q_A_NORM,
+        MODEL_TENSOR.ATTN_KV_A_NORM,
+        MODEL_TENSOR.ATTN_OUT,
+        MODEL_TENSOR.ATTN_ROT_EMBD,
+        MODEL_TENSOR.FFN_GATE_INP,
+        MODEL_TENSOR.FFN_NORM,
+        MODEL_TENSOR.FFN_GATE,
+        MODEL_TENSOR.FFN_DOWN,
+        MODEL_TENSOR.FFN_UP,
+        MODEL_TENSOR.FFN_GATE_EXP,
+        MODEL_TENSOR.FFN_DOWN_EXP,
+        MODEL_TENSOR.FFN_UP_EXP,
+        MODEL_TENSOR.FFN_GATE_UP_EXP,
+        MODEL_TENSOR.FFN_GATE_SHEXP,
+        MODEL_TENSOR.FFN_DOWN_SHEXP,
+        MODEL_TENSOR.FFN_UP_SHEXP,
+        MODEL_TENSOR.FFN_EXP_PROBS_B,
+    ],
     MODEL_ARCH.MIMO2: [
         MODEL_TENSOR.TOKEN_EMBD,
         MODEL_TENSOR.OUTPUT_NORM,
diff --git a/scripts/sync-ggml.last b/scripts/sync-ggml.last
index 02a096882e..96bf67d5f9 100644
--- a/scripts/sync-ggml.last
+++ b/scripts/sync-ggml.last
@@ -1 +1 @@
-d6754f3d0e6d0acd21c12442353c9fd2f94188e7
+553552e1d88be2b214b85e5159eedd39a63e2c34
diff --git a/src/llama-arch.cpp b/src/llama-arch.cpp
index 799d16167b..84dc6d8f1b 100644
--- a/src/llama-arch.cpp
+++ b/src/llama-arch.cpp
@@ -123,6 +123,7 @@ static const std::map<llm_arch, const char *> LLM_ARCH_NAMES = {
     { LLM_ARCH_RND1,             "rnd1"             },
     { LLM_ARCH_PANGU_EMBED,      "pangu-embedded"   },
     { LLM_ARCH_MISTRAL3,         "mistral3"         },
+    { LLM_ARCH_MISTRAL4,         "mistral4"         },
     { LLM_ARCH_PADDLEOCR,        "paddleocr"        },
     { LLM_ARCH_MIMO2,            "mimo2"            },
     { LLM_ARCH_STEP35,           "step35"           },
@@ -1589,6 +1590,7 @@ static std::set<llm_tensor> llm_get_tensor_names(llm_arch arch) {
                 LLM_TENSOR_FFN_UP_SHEXP,
             };
         case LLM_ARCH_DEEPSEEK2:
+        case LLM_ARCH_MISTRAL4:
             return {
                 LLM_TENSOR_TOKEN_EMBD,
                 LLM_TENSOR_OUTPUT_NORM,
diff --git a/src/llama-arch.h b/src/llama-arch.h
index b1b1dcf188..9b9eec2f5c 100644
--- a/src/llama-arch.h
+++ b/src/llama-arch.h
@@ -127,6 +127,7 @@ enum llm_arch {
     LLM_ARCH_RND1,
     LLM_ARCH_PANGU_EMBED,
     LLM_ARCH_MISTRAL3,
+    LLM_ARCH_MISTRAL4,
     LLM_ARCH_PADDLEOCR,
     LLM_ARCH_MIMO2,
     LLM_ARCH_STEP35,
diff --git a/src/llama-model.cpp b/src/llama-model.cpp
index e8e1bbf1cd..85db938a7a 100644
--- a/src/llama-model.cpp
+++ b/src/llama-model.cpp
@@ -1587,6 +1587,7 @@ void llama_model::load_hparams(llama_model_loader & ml) {
                 }
             } break;
         case LLM_ARCH_DEEPSEEK2:
+        case LLM_ARCH_MISTRAL4:
             {
                 // lite variants include DeepSeek-V2-Lite, GigaChat3-10B-A1.8B, Kanana-2-30B-A3B
                 const bool is_lite = (hparams.n_layer == 27 || hparams.n_layer == 26 || (hparams.n_layer == 48 && n_vocab == 128256));
@@ -4883,6 +4884,7 @@ bool llama_model::load_tensors(llama_model_loader & ml) {
                     }
                 } break;
             case LLM_ARCH_DEEPSEEK2:
+            case LLM_ARCH_MISTRAL4:
                 {
                     const bool is_mla = hparams.is_mla();
 
@@ -7501,6 +7503,9 @@ bool llama_model::load_tensors(llama_model_loader & ml) {
             }
 
             // recurrent / linear-attention weight scales (per-tensor, shape {1})
+            if (!layer.ssm_in_s && layer.ssm_in) {
+                layer.ssm_in_s = create_tensor(tn(LLM_TENSOR_SSM_IN, "scale", i), {1}, TENSOR_NOT_REQUIRED);
+            }
             if (!layer.ssm_out_s && layer.ssm_out) {
                 layer.ssm_out_s = create_tensor(tn(LLM_TENSOR_SSM_OUT, "scale", i), {1}, TENSOR_NOT_REQUIRED);
             }
@@ -7847,7 +7852,7 @@ void llama_model::print_info() const {
         LLAMA_LOG_INFO("%s: expert_weights_scale  = %.1f\n",   __func__, hparams.expert_weights_scale);
     }
 
-    if (arch == LLM_ARCH_DEEPSEEK2 || arch == LLM_ARCH_GLM_DSA) {
+    if (arch == LLM_ARCH_DEEPSEEK2 || arch == LLM_ARCH_GLM_DSA || arch == LLM_ARCH_MISTRAL4) {
         LLAMA_LOG_INFO("%s: n_layer_dense_lead    = %d\n",     __func__, hparams.n_layer_dense_lead);
         LLAMA_LOG_INFO("%s: n_lora_q              = %d\n",     __func__, hparams.n_lora_q);
         LLAMA_LOG_INFO("%s: n_lora_kv             = %d\n",     __func__, hparams.n_lora_kv);
@@ -8425,6 +8430,7 @@ ggml_cgraph * llama_model::build_graph(const llm_graph_params & params) const {
             } break;
         case LLM_ARCH_DEEPSEEK2:
         case LLM_ARCH_GLM_DSA:
+        case LLM_ARCH_MISTRAL4:
             {
                 llm = std::make_unique<llm_build_deepseek2>(*this, params);
             } break;
@@ -8836,6 +8842,7 @@ llama_rope_type llama_model_rope_type(const llama_model * model) {
         case LLM_ARCH_ERNIE4_5:
         case LLM_ARCH_ERNIE4_5_MOE:
         case LLM_ARCH_MISTRAL3:
+        case LLM_ARCH_MISTRAL4:
         case LLM_ARCH_LLAMA_EMBED:
         case LLM_ARCH_MAINCODER:
         case LLM_ARCH_GLM_DSA:
diff --git a/src/llama-model.h b/src/llama-model.h
index 25bf892e7e..aefcfe700f 100644
--- a/src/llama-model.h
+++ b/src/llama-model.h
@@ -409,7 +409,8 @@ struct llama_layer {
     struct ggml_tensor * ffn_gate_shexp_s = nullptr;
     struct ggml_tensor * ffn_up_shexp_s   = nullptr;
     struct ggml_tensor * ffn_down_shexp_s = nullptr;
-    struct ggml_tensor * ssm_out_s  = nullptr;
+    struct ggml_tensor * ssm_in_s    = nullptr;
+    struct ggml_tensor * ssm_out_s   = nullptr;
     struct ggml_tensor * ssm_alpha_s = nullptr;
     struct ggml_tensor * ssm_beta_s  = nullptr;
 
diff --git a/src/models/mamba-base.cpp b/src/models/mamba-base.cpp
index 9de587db55..c37f29c487 100644
--- a/src/models/mamba-base.cpp
+++ b/src/models/mamba-base.cpp
@@ -42,7 +42,7 @@ ggml_tensor * llm_build_mamba_base::build_mamba_layer(llm_graph_input_rs * inp,
     cur = ggml_reshape_3d(ctx0, cur, cur->ne[0], n_seq_tokens, n_seqs);
 
     // {n_embd, 2*d_inner} @ {n_embd, n_seq_tokens, n_seqs} => {2*d_inner, n_seq_tokens, n_seqs}
-    ggml_tensor * xz = build_lora_mm(layer.ssm_in, cur);
+    ggml_tensor * xz = build_lora_mm(layer.ssm_in, cur, layer.ssm_in_s);
     // split the above in two
     // => {d_inner, n_seq_tokens, n_seqs}
     ggml_tensor * x  = ggml_view_3d(ctx0, xz, d_inner, xz->ne[1], xz->ne[2], xz->nb[1], xz->nb[2], 0);
@@ -137,7 +137,7 @@ ggml_tensor * llm_build_mamba_base::build_mamba_layer(llm_graph_input_rs * inp,
         y = ggml_swiglu_split(ctx0, ggml_cont(ctx0, z), y);
 
         // {d_inner, n_embd} @ {d_inner, n_seq_tokens, n_seqs} => {n_embd, n_seq_tokens, n_seqs}
-        cur = build_lora_mm(layer.ssm_out, y);
+        cur = build_lora_mm(layer.ssm_out, y, layer.ssm_out_s);
     }
 
     // {n_embd, n_seq_tokens, n_seqs} => {n_embd, n_tokens}
@@ -184,7 +184,7 @@ ggml_tensor * llm_build_mamba_base::build_mamba2_layer(llm_graph_input_rs * inp,
     // d_in_proj = 2 * self.d_inner + 2 * self.ngroups * self.d_state + self.nheads
 
     // {n_embd, d_in_proj} @ {n_embd, n_seq_tokens, n_seqs} => {d_in_proj, n_seq_tokens, n_seqs}
-    ggml_tensor * zxBCdt = build_lora_mm(model.layers[il].ssm_in, cur);
+    ggml_tensor * zxBCdt = build_lora_mm(model.layers[il].ssm_in, cur, model.layers[il].ssm_in_s);
 
     // split the above in three
     ggml_tensor * z   = ggml_view_4d(ctx0, zxBCdt, head_dim, n_head, n_seq_tokens, n_seqs, head_dim * zxBCdt->nb[0],
@@ -278,7 +278,7 @@ ggml_tensor * llm_build_mamba_base::build_mamba2_layer(llm_graph_input_rs * inp,
         y = ggml_reshape_3d(ctx0, y, d_inner, n_seq_tokens, n_seqs);
 
         // {d_inner, n_embd} @ {d_inner, n_seq_tokens, n_seqs} => {n_embd, n_seq_tokens, n_seqs}
-        cur = build_lora_mm(model.layers[il].ssm_out, y);
+        cur = build_lora_mm(model.layers[il].ssm_out, y, model.layers[il].ssm_out_s);
     }
 
     // {n_embd, n_seq_tokens, n_seqs} => {n_embd, n_tokens}
diff --git a/src/models/nemotron-h.cpp b/src/models/nemotron-h.cpp
index 7af99174d1..d3fccfb70d 100644
--- a/src/models/nemotron-h.cpp
+++ b/src/models/nemotron-h.cpp
@@ -107,9 +107,9 @@ ggml_tensor * llm_build_nemotron_h::build_attention_layer(ggml_tensor *
 ggml_tensor * llm_build_nemotron_h::build_ffn_layer(ggml_tensor * cur, const llama_model & model, int il) {
     if (model.layers[il].ffn_gate_inp == nullptr) {
         cur = build_ffn(cur,
-                model.layers[il].ffn_up,   model.layers[il].ffn_up_b,   NULL,
+                model.layers[il].ffn_up,   model.layers[il].ffn_up_b,   model.layers[il].ffn_up_s,
                 NULL,                      NULL,                        NULL,
-                model.layers[il].ffn_down, model.layers[il].ffn_down_b, NULL,
+                model.layers[il].ffn_down, model.layers[il].ffn_down_b, model.layers[il].ffn_down_s,
                 NULL,
                 LLM_FFN_RELU_SQR, LLM_FFN_PAR, il);
         cb(cur, "ffn_out", il);
@@ -136,7 +136,10 @@ ggml_tensor * llm_build_nemotron_h::build_ffn_layer(ggml_tensor * cur, const lla
                     hparams.expert_weights_scale,
                     LLAMA_EXPERT_GATING_FUNC_TYPE_SIGMOID,
                     il,
-                    router_logits);
+                    router_logits, nullptr,
+                    model.layers[il].ffn_up_exps_s,
+                    nullptr, // no gate
+                    model.layers[il].ffn_down_exps_s);
         cb(moe_out, "ffn_moe_out", il);
 
         if (model.layers[il].ffn_latent_up) {
@@ -144,9 +147,9 @@ ggml_tensor * llm_build_nemotron_h::build_ffn_layer(ggml_tensor * cur, const lla
         }
 
         ggml_tensor * ffn_shexp = build_ffn(inp_emb,
-                    model.layers[il].ffn_up_shexp,  NULL, NULL,
-                    NULL /* no gate */           ,  NULL, NULL,
-                    model.layers[il].ffn_down_shexp, NULL, NULL,
+                    model.layers[il].ffn_up_shexp,   NULL, model.layers[il].ffn_up_shexp_s,
+                    NULL /* no gate */           ,   NULL, NULL,
+                    model.layers[il].ffn_down_shexp, NULL, model.layers[il].ffn_down_shexp_s,
                     NULL,
                     LLM_FFN_RELU_SQR, LLM_FFN_PAR, il);
         cb(ffn_shexp, "ffn_shexp", il);
diff --git a/src/models/qwen35.cpp b/src/models/qwen35.cpp
index 3108bf331a..d07579ee87 100644
--- a/src/models/qwen35.cpp
+++ b/src/models/qwen35.cpp
@@ -224,7 +224,7 @@ ggml_tensor * llm_build_qwen35::build_layer_attn_linear(
     beta = ggml_sigmoid(ctx0, beta);
 
     ggml_tensor * alpha = build_lora_mm(model.layers[il].ssm_alpha, cur, model.layers[il].ssm_alpha_s);
-    alpha = ggml_cont_3d(ctx0, alpha, num_v_heads, n_seq_tokens, n_seqs);
+    alpha = ggml_reshape_3d(ctx0, alpha, num_v_heads, n_seq_tokens, n_seqs);
     cb(alpha, "alpha", il);
 
     ggml_tensor * alpha_biased   = ggml_add(ctx0, alpha, model.layers[il].ssm_dt);
diff --git a/src/models/qwen35moe.cpp b/src/models/qwen35moe.cpp
index 165e2412e5..b38660c0bc 100644
--- a/src/models/qwen35moe.cpp
+++ b/src/models/qwen35moe.cpp
@@ -224,7 +224,7 @@ ggml_tensor * llm_build_qwen35moe ::build_layer_attn_linear(
     beta = ggml_sigmoid(ctx0, beta);
 
     ggml_tensor * alpha = build_lora_mm(model.layers[il].ssm_alpha, cur, model.layers[il].ssm_alpha_s);
-    alpha = ggml_cont_3d(ctx0, alpha, num_v_heads, n_seq_tokens, n_seqs);
+    alpha = ggml_reshape_3d(ctx0, alpha, num_v_heads, n_seq_tokens, n_seqs);
     cb(alpha, "alpha", il);
 
     ggml_tensor * alpha_biased   = ggml_add(ctx0, alpha, model.layers[il].ssm_dt);
diff --git a/tests/test-jinja.cpp b/tests/test-jinja.cpp
index 05ea8ca9e9..23af1ec827 100644
--- a/tests/test-jinja.cpp
+++ b/tests/test-jinja.cpp
@@ -1915,7 +1915,7 @@ env.globals["raise_exception"] = raise_exception
 
 template = env.from_string(tmpl)
 result = template.render(**vars_json)
-print(result, end='')
+sys.stdout.buffer.write(result.encode())
 )";
 
 static void test_template_py(testing & t, const std::string & name, const std::string & tmpl, const json & vars, const std::string & expect) {
diff --git a/tests/test-llama-archs.cpp b/tests/test-llama-archs.cpp
index 014b3f2b14..d51c09e99f 100644
--- a/tests/test-llama-archs.cpp
+++ b/tests/test-llama-archs.cpp
@@ -90,7 +90,10 @@ static gguf_context_ptr get_gguf_ctx(const llm_arch arch, const bool moe) {
         n_embd = 64;
         n_head = 1;
         n_ff   = 96;
-    } else if (arch == LLM_ARCH_DEEPSEEK2 || arch == LLM_ARCH_GLM_DSA || arch == LLM_ARCH_KIMI_LINEAR) {
+    } else if (arch == LLM_ARCH_DEEPSEEK2
+            || arch == LLM_ARCH_GLM_DSA
+            || arch == LLM_ARCH_KIMI_LINEAR
+            || arch == LLM_ARCH_MISTRAL4) {
         n_embd = 128;
         n_head = 1;
         n_ff   = 192;
@@ -145,7 +148,10 @@ static gguf_context_ptr get_gguf_ctx(const llm_arch arch, const bool moe) {
     }
 
     ms.add_kv(LLM_KV_ATTENTION_MAX_ALIBI_BIAS, 8.0f);
-    if (arch == LLM_ARCH_DEEPSEEK2 || arch == LLM_ARCH_GLM_DSA  || arch == LLM_ARCH_KIMI_LINEAR) {
+    if (arch == LLM_ARCH_DEEPSEEK2
+            || arch == LLM_ARCH_GLM_DSA
+            || arch == LLM_ARCH_KIMI_LINEAR
+            || arch == LLM_ARCH_MISTRAL4) {
         ms.add_kv(LLM_KV_ATTENTION_KEY_LENGTH,       uint32_t(576));
         ms.add_kv(LLM_KV_ATTENTION_VALUE_LENGTH,     uint32_t(512));
         ms.add_kv(LLM_KV_ROPE_DIMENSION_COUNT,       uint32_t(64));
@@ -319,6 +325,7 @@ static bool moe_mandatory(const llm_arch arch) {
         case LLM_ARCH_MIMO2:
         case LLM_ARCH_KIMI_LINEAR:
         case LLM_ARCH_STEP35:
+        case LLM_ARCH_MISTRAL4:
             return true;
         default:
             return false;
diff --git a/tools/server/public/index.html.gz b/tools/server/public/index.html.gz
index 493058aa01..6dcd04cbf3 100644
Binary files a/tools/server/public/index.html.gz and b/tools/server/public/index.html.gz differ
diff --git a/tools/server/server-common.cpp b/tools/server/server-common.cpp
index bd203228cc..d55987c6d2 100644
--- a/tools/server/server-common.cpp
+++ b/tools/server/server-common.cpp
@@ -1273,17 +1273,27 @@ json convert_responses_to_chatcmpl(const json & response_body) {
 
                 for (const auto & output_text : item.at("content")) {
                     const std::string type = json_value(output_text, "type", std::string());
-                    if (type != "output_text") {
-                        throw std::invalid_argument("'type' must be 'output_text'");
+                    if (type == "output_text") {
+                        if (!exists_and_is_string(output_text, "text")) {
+                            throw std::invalid_argument("'Output text' requires 'text'");
+                            // Ignore annotations and logprobs for now
+                            chatcmpl_content.push_back({
+                                {"text", output_text.at("text")},
+                                {"type", "text"},
+                            });
+                        }
+                    } else if (type == "refusal") {
+                        if (!exists_and_is_string(output_text, "refusal")) {
+                            throw std::invalid_argument("'Refusal' requires 'refusal'");
+                            // Ignore annotations and logprobs for now
+                            chatcmpl_content.push_back({
+                                {"refusal", output_text.at("refusal")},
+                                {"type", "refusal"},
+                            });
+                        }
+                    } else {
+                        throw std::invalid_argument("'type' must be one of 'output_text' or 'refusal'");
                     }
-                    if (!exists_and_is_string(output_text, "text")) {
-                        throw std::invalid_argument("'Output text' requires 'text'");
-                    }
-                    // Ignore annotations and logprobs for now
-                    chatcmpl_content.push_back({
-                        {"text", output_text.at("text")},
-                        {"type", "text"},
-                    });
                 }
 
                 if (merge_prev) {
diff --git a/tools/server/webui/package-lock.json b/tools/server/webui/package-lock.json
index 361144915f..957fddabaa 100644
--- a/tools/server/webui/package-lock.json
+++ b/tools/server/webui/package-lock.json
@@ -939,7 +939,6 @@
 			"integrity": "sha512-oJrXtQiAXLvT9clCf1K4kxp3eKsQhIaZqxEyowkBcsvZDdZkbWrVmnGknxs5flTD0VGsxrxKgBCZty1EzoiMzA==",
 			"dev": true,
 			"license": "Apache-2.0",
-			"peer": true,
 			"dependencies": {
 				"@swc/helpers": "^0.5.0"
 			}
@@ -2161,7 +2160,6 @@
 			"integrity": "sha512-W9R51zUCd2iHOQBg/D93+bdpYv6kbtFx+kft5X8lPKQl6yEu0aKs9i5N5GyCASOhIApgx/tkqZIJ7vgM4cqrHA==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"ts-dedent": "^2.0.0",
 				"type-fest": "~2.19"
@@ -2245,7 +2243,6 @@
 			"integrity": "sha512-875hTUkEbz+MyJIxWbQjfMaekqdmEKUUfR7JyKcpfMRZqcGyrO9Gd+iS1D/Dx8LpE5FEtutWGOtlAh4ReSAiOA==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@standard-schema/spec": "^1.0.0",
 				"@sveltejs/acorn-typescript": "^1.0.5",
@@ -2289,7 +2286,6 @@
 			"integrity": "sha512-YZs/OSKOQAQCnJvM/P+F1URotNnYNeU3P2s4oIpzm1uFaqUEqRxUB0g5ejMjEb5Gjb9/PiBI5Ktrq4rUUF8UVQ==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@sveltejs/vite-plugin-svelte-inspector": "^5.0.0",
 				"debug": "^4.4.1",
@@ -2705,7 +2701,6 @@
 			"integrity": "sha512-pemlzrSESWbdAloYml3bAJMEfNh1Z7EduzqPKprCH5S341frlpYnUEW0H72dLxa6IsYr+mPno20GiSm+h9dEdQ==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@babel/code-frame": "^7.10.4",
 				"@babel/runtime": "^7.12.5",
@@ -2873,7 +2868,6 @@
 			"integrity": "sha512-+0/4J266CBGPUq/ELg7QUHhN25WYjE0wYTPSQJn1xeu8DOlIOPxXxrNGiLmfAWl7HMMgWFWXpt9IDjMWrF5Iow==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"undici-types": "~7.16.0"
 			}
@@ -2940,7 +2934,6 @@
 			"integrity": "sha512-IgSWvLobTDOjnaxAfDTIHaECbkNlAlKv2j5SjpB2v7QHKv1FIfjwMy8FsDbVfDX/KjmCmYICcw7uGaXLhtsLNg==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@typescript-eslint/scope-manager": "8.56.0",
 				"@typescript-eslint/types": "8.56.0",
@@ -3177,7 +3170,6 @@
 			"integrity": "sha512-tJxiPrWmzH8a+w9nLKlQMzAKX/7VjFs50MWgcAj7p9XQ7AQ9/35fByFYptgPELyLw+0aixTnC4pUWV+APcZ/kw==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@testing-library/dom": "^10.4.0",
 				"@testing-library/user-event": "^14.6.1",
@@ -3305,7 +3297,6 @@
 			"integrity": "sha512-oukfKT9Mk41LreEW09vt45f8wx7DordoWUZMYdY/cyAk7w5TWkTRCNZYF7sX7n2wB7jyGAl74OxgwhPgKaqDMQ==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@vitest/utils": "3.2.4",
 				"pathe": "^2.0.3",
@@ -3376,7 +3367,6 @@
 			"resolved": "https://registry.npmjs.org/acorn/-/acorn-8.15.0.tgz",
 			"integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
 			"license": "MIT",
-			"peer": true,
 			"bin": {
 				"acorn": "bin/acorn"
 			},
@@ -4094,7 +4084,8 @@
 			"resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.3.tgz",
 			"integrity": "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw==",
 			"dev": true,
-			"license": "MIT"
+			"license": "MIT",
+			"peer": true
 		},
 		"node_modules/debug": {
 			"version": "4.4.3",
@@ -4404,7 +4395,6 @@
 			"dev": true,
 			"hasInstallScript": true,
 			"license": "MIT",
-			"peer": true,
 			"bin": {
 				"esbuild": "bin/esbuild"
 			},
@@ -4465,7 +4455,6 @@
 			"integrity": "sha512-LEyamqS7W5HB3ujJyvi0HQK/dtVINZvd5mAAp9eT5S/ujByGjiZLCzPcHVzuXbpJDJF/cxwHlfceVUDZ2lnSTw==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@eslint-community/eslint-utils": "^4.8.0",
 				"@eslint-community/regexpp": "^4.12.1",
@@ -5672,7 +5661,6 @@
 			"resolved": "https://registry.npmjs.org/hono/-/hono-4.11.7.tgz",
 			"integrity": "sha512-l7qMiNee7t82bH3SeyUCt9UF15EVmaBvsppY2zQtrbIhl/yzBTny+YUxsVjSjQ6gaqaeVtZmGocom8TzBlA4Yw==",
 			"license": "MIT",
-			"peer": true,
 			"engines": {
 				"node": ">=16.9.0"
 			}
@@ -8097,7 +8085,6 @@
 				}
 			],
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"nanoid": "^3.3.11",
 				"picocolors": "^1.1.1",
@@ -8231,7 +8218,6 @@
 			"integrity": "sha512-I7AIg5boAr5R0FFtJ6rCfD+LFsWHp81dolrFD8S79U9tb8Az2nGrJncnMSnys+bpQJfRUzqs9hnA81OAA3hCuQ==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"bin": {
 				"prettier": "bin/prettier.cjs"
 			},
@@ -8248,7 +8234,6 @@
 			"integrity": "sha512-pn1ra/0mPObzqoIQn/vUTR3ZZI6UuZ0sHqMK5x2jMLGrs53h0sXhkVuDcrlssHwIMk7FYrMjHBPoUSyyEEDlBQ==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"peerDependencies": {
 				"prettier": "^3.0.0",
 				"svelte": "^3.2.0 || ^4.0.0-next.0 || ^5.0.0-next.0"
@@ -8480,7 +8465,6 @@
 			"integrity": "sha512-FS+XFBNvn3GTAWq26joslQgWNoFu08F4kl0J4CgdNKADkdSGXQyTCnKteIAJy96Br6YbpEU1LSzV5dYtjMkMDg==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"engines": {
 				"node": ">=0.10.0"
 			}
@@ -8491,7 +8475,6 @@
 			"integrity": "sha512-Xs1hdnE+DyKgeHJeJznQmYMIBG3TKIHJJT95Q58nHLSrElKlGQqDTR2HQ9fx5CN/Gk6Vh/kupBTDLU11/nDk/g==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"scheduler": "^0.26.0"
 			},
@@ -8766,7 +8749,6 @@
 			"integrity": "sha512-4iya7Jb76fVpQyLoiVpzUrsjQ12r3dM7fIVz+4NwoYvZOShknRmiv+iu9CClZml5ZLGb0XMcYLutK6w9tgxHDw==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@types/estree": "1.0.8"
 			},
@@ -8877,7 +8859,6 @@
 			"integrity": "sha512-elOcIZRTM76dvxNAjqYrucTSI0teAF/L2Lv0s6f6b7FOwcwIuA357bIE871580AjHJuSvLIRUosgV+lIWx6Rgg==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"chokidar": "^4.0.0",
 				"immutable": "^5.0.2",
@@ -9172,7 +9153,6 @@
 			"integrity": "sha512-LwF0VZsT4qkgx66Ad/q0QgZZrU2a5WftaADDEcJ3bGq3O2fHvwWPlSZjM1HiXD4vqP9U5JiMqQkV1gkyH0XJkw==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@storybook/global": "^5.0.0",
 				"@storybook/icons": "^2.0.1",
@@ -9387,7 +9367,6 @@
 			"resolved": "https://registry.npmjs.org/svelte/-/svelte-5.48.3.tgz",
 			"integrity": "sha512-w7QZ398cdNherTdiQ/v3SYLLGOO4948Jgjh04PYqtTYVohmBvbmFwLmo7pp8gp4/1tceRWfSTjHgjtfpCVNJmQ==",
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@jridgewell/remapping": "^2.3.4",
 				"@jridgewell/sourcemap-codec": "^1.5.0",
@@ -9633,7 +9612,6 @@
 			"integrity": "sha512-gBXpgUm/3rp1lMZZrM/w7D8GKqshif0zAymAhbCyIt8KMe+0v9DQ7cdYLR4FHH/cKpdTXb+A/tKKU3eolfsI+g==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"funding": {
 				"type": "github",
 				"url": "https://github.com/sponsors/dcastil"
@@ -9664,8 +9642,7 @@
 			"resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.1.11.tgz",
 			"integrity": "sha512-2E9TBm6MDD/xKYe+dvJZAmg3yxIEDNRc0jwlNyDg/4Fil2QcSLjFKGVff0lAf1jjeaArlG/M75Ey/EYr/OJtBA==",
 			"dev": true,
-			"license": "MIT",
-			"peer": true
+			"license": "MIT"
 		},
 		"node_modules/tapable": {
 			"version": "2.2.2",
@@ -9942,7 +9919,6 @@
 			"integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
 			"dev": true,
 			"license": "Apache-2.0",
-			"peer": true,
 			"bin": {
 				"tsc": "bin/tsc",
 				"tsserver": "bin/tsserver"
@@ -10336,7 +10312,6 @@
 			"integrity": "sha512-BxAKBWmIbrDgrokdGZH1IgkIk/5mMHDreLDmCJ0qpyJaAteP8NvMhkwr/ZCQNqNH97bw/dANTE9PDzqwJghfMQ==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"esbuild": "^0.25.0",
 				"fdir": "^6.5.0",
@@ -10497,7 +10472,6 @@
 			"integrity": "sha512-LUCP5ev3GURDysTWiP47wRRUpLKMOfPh+yKTx3kVIEiu5KOMeqzpnYNsKyOoVrULivR8tLcks4+lga33Whn90A==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@types/chai": "^5.2.2",
 				"@vitest/expect": "3.2.4",
@@ -10819,7 +10793,6 @@
 			"resolved": "https://registry.npmjs.org/zod/-/zod-4.2.1.tgz",
 			"integrity": "sha512-0wZ1IRqGGhMP76gLqz8EyfBXKk0J2qo2+H3fi4mcUP/KtTocoX08nmIAHl1Z2kJIZbZee8KOpBCSNPRgauucjw==",
 			"license": "MIT",
-			"peer": true,
 			"funding": {
 				"url": "https://github.com/sponsors/colinhacks"
 			}
diff --git a/tools/server/webui/src/lib/components/app/actions/ActionIcon.svelte b/tools/server/webui/src/lib/components/app/actions/ActionIcon.svelte
index c676e224a7..1d2dd3c1d9 100644
--- a/tools/server/webui/src/lib/components/app/actions/ActionIcon.svelte
+++ b/tools/server/webui/src/lib/components/app/actions/ActionIcon.svelte
@@ -11,7 +11,7 @@
 		iconSize?: string;
 		class?: string;
 		disabled?: boolean;
-		onclick: () => void;
+		onclick: (e?: MouseEvent) => void;
 		'aria-label'?: string;
 	}
 
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActions.svelte b/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActions.svelte
index 2ad830e18f..b51dd682e0 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActions.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActions.svelte
@@ -65,7 +65,8 @@
 	$effect(() => {
 		if (conversationModel) {
 			modelsStore.selectModelByName(conversationModel);
-		} else if (isRouter && modelsStore.loadedModelIds.length > 0) {
+		} else if (isRouter && !modelsStore.selectedModelId && modelsStore.loadedModelIds.length > 0) {
+			// auto-select the first loaded model only when nothing is selected yet
 			const first = modelOptions().find((m) => modelsStore.loadedModelIds.includes(m.model));
 			if (first) modelsStore.selectModelById(first.id);
 		}
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatSettings/ChatSettingsImportExportTab.svelte b/tools/server/webui/src/lib/components/app/chat/ChatSettings/ChatSettingsImportExportTab.svelte
index 68839438f6..537c839f58 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatSettings/ChatSettingsImportExportTab.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatSettings/ChatSettingsImportExportTab.svelte
@@ -3,6 +3,7 @@
 	import { Button } from '$lib/components/ui/button';
 	import { DialogConversationSelection, DialogConfirmation } from '$lib/components/app';
 	import { createMessageCountMap } from '$lib/utils';
+	import { ISO_DATE_TIME_SEPARATOR } from '$lib/constants';
 	import { conversationsStore, conversations } from '$lib/stores/conversations.svelte';
 	import { toast } from 'svelte-sonner';
 
@@ -55,18 +56,10 @@
 				})
 			);
 
-			const blob = new Blob([JSON.stringify(allData, null, 2)], {
-				type: 'application/json'
-			});
-			const url = URL.createObjectURL(blob);
-			const a = document.createElement('a');
-
-			a.href = url;
-			a.download = `conversations_${new Date().toISOString().split('T')[0]}.json`;
-			document.body.appendChild(a);
-			a.click();
-			document.body.removeChild(a);
-			URL.revokeObjectURL(url);
+			conversationsStore.downloadConversationFile(
+				allData,
+				`${new Date().toISOString().split(ISO_DATE_TIME_SEPARATOR)[0]}_conversations.json`
+			);
 
 			exportedConversations = selectedConversations;
 			showExportSummary = true;
diff --git a/tools/server/webui/src/lib/components/app/dialogs/DialogModelInformation.svelte b/tools/server/webui/src/lib/components/app/dialogs/DialogModelInformation.svelte
index eac83f234d..3a1db5c77d 100644
--- a/tools/server/webui/src/lib/components/app/dialogs/DialogModelInformation.svelte
+++ b/tools/server/webui/src/lib/components/app/dialogs/DialogModelInformation.svelte
@@ -5,21 +5,38 @@
 	import { serverStore } from '$lib/stores/server.svelte';
 	import { modelsStore, modelOptions, modelsLoading } from '$lib/stores/models.svelte';
 	import { formatFileSize, formatParameters, formatNumber } from '$lib/utils';
+	import type { ApiLlamaCppServerProps } from '$lib/types';
 
 	interface Props {
 		open?: boolean;
 		onOpenChange?: (open: boolean) => void;
+		// when set, fetch props from the child process (router mode)
+		modelId?: string | null;
 	}
 
-	let { open = $bindable(), onOpenChange }: Props = $props();
+	let { open = $bindable(), onOpenChange, modelId = null }: Props = $props();
 
-	let serverProps = $derived(serverStore.props);
-	let modelName = $derived(modelsStore.singleModelName);
+	let isRouter = $derived(serverStore.isRouterMode);
+
+	// per-model props fetched from the child process
+	let routerModelProps = $state<ApiLlamaCppServerProps | null>(null);
+	let isLoadingRouterProps = $state(false);
+
+	// in router mode use per-model props, otherwise use global props
+	let serverProps = $derived(isRouter && modelId ? routerModelProps : serverStore.props);
+
+	let modelName = $derived(isRouter && modelId ? modelId : modelsStore.singleModelName);
 	let models = $derived(modelOptions());
 	let isLoadingModels = $derived(modelsLoading());
 
-	// Get the first model for single-model mode display
-	let firstModel = $derived(models[0] ?? null);
+	// in router mode, find the model option matching modelId
+	// in single mode, use the first model as before
+	let firstModel = $derived.by(() => {
+		if (isRouter && modelId) {
+			return models.find((m) => m.model === modelId) ?? null;
+		}
+		return models[0] ?? null;
+	});
 
 	// Get modalities from modelStore using the model ID from the first model
 	let modalities = $derived.by(() => {
@@ -33,10 +50,31 @@
 			modelsStore.fetch();
 		}
 	});
+
+	// fetch per-model props from child process when dialog opens in router mode
+	$effect(() => {
+		if (open && isRouter && modelId) {
+			isLoadingRouterProps = true;
+			modelsStore
+				.fetchModelProps(modelId)
+				.then((props) => {
+					routerModelProps = props;
+				})
+				.catch(() => {
+					routerModelProps = null;
+				})
+				.finally(() => {
+					isLoadingRouterProps = false;
+				});
+		}
+		if (!open) {
+			routerModelProps = null;
+		}
+	});
 </script>
 
 <Dialog.Root bind:open {onOpenChange}>
-	<Dialog.Content class="@container z-9999 !max-w-[60rem] max-w-full">
+	<Dialog.Content class="@container z-9999 !max-h-[80dvh] !max-w-[60rem] max-w-full">
 		<style>
 			@container (max-width: 56rem) {
 				.resizable-text-container {
@@ -52,7 +90,7 @@
 		</Dialog.Header>
 
 		<div class="space-y-6 py-4">
-			{#if isLoadingModels}
+			{#if isLoadingModels || isLoadingRouterProps}
 				<div class="flex items-center justify-center py-8">
 					<div class="text-sm text-muted-foreground">Loading model information...</div>
 				</div>
@@ -212,7 +250,7 @@
 									<Table.Cell class="align-middle font-medium">Chat Template</Table.Cell>
 
 									<Table.Cell class="py-10">
-										<div class="max-h-120 overflow-y-auto rounded-md bg-muted p-4">
+										<div class="rounded-md bg-muted p-4">
 											<pre
 												class="font-mono text-xs whitespace-pre-wrap">{serverProps.chat_template}</pre>
 										</div>
diff --git a/tools/server/webui/src/lib/components/app/mcp/McpServerForm.svelte b/tools/server/webui/src/lib/components/app/mcp/McpServerForm.svelte
index 518311f6ec..52d7573756 100644
--- a/tools/server/webui/src/lib/components/app/mcp/McpServerForm.svelte
+++ b/tools/server/webui/src/lib/components/app/mcp/McpServerForm.svelte
@@ -6,6 +6,7 @@
 	import { parseHeadersToArray, serializeHeaders } from '$lib/utils';
 	import { UrlProtocol } from '$lib/enums';
 	import { MCP_SERVER_URL_PLACEHOLDER } from '$lib/constants';
+	import { mcpStore } from '$lib/stores/mcp.svelte';
 
 	interface Props {
 		url: string;
@@ -62,14 +63,33 @@
 		{/if}
 
 		{#if !isWebSocket && onUseProxyChange}
-			<label class="mt-3 flex cursor-pointer items-center gap-2">
+			<label
+				class="mt-3 flex items-start gap-2"
+				class:cursor-pointer={mcpStore.isProxyAvailable}
+				class:opacity-80={!mcpStore.isProxyAvailable}
+			>
 				<Switch
+					class="mt-1"
 					id="use-proxy-{id}"
 					checked={useProxy}
+					disabled={!mcpStore.isProxyAvailable}
 					onCheckedChange={(checked) => onUseProxyChange?.(checked)}
 				/>
 
-				<span class="text-xs text-muted-foreground">Use llama-server proxy</span>
+				<span>
+					<span class="text-xs text-muted-foreground">Use llama-server proxy</span>
+
+					<br />
+
+					{#if !mcpStore.isProxyAvailable}
+						<span class="inline-flex gap-0.75 text-xs text-muted-foreground/60"
+							>(Run <pre>llama-server</pre>
+							with
+							<pre>--webui-mcp-proxy</pre>
+							flag)</span
+						>
+					{/if}
+				</span>
 			</label>
 		{/if}
 	</div>
diff --git a/tools/server/webui/src/lib/components/app/models/ModelsSelector.svelte b/tools/server/webui/src/lib/components/app/models/ModelsSelector.svelte
index a40501e2cc..bf489443fa 100644
--- a/tools/server/webui/src/lib/components/app/models/ModelsSelector.svelte
+++ b/tools/server/webui/src/lib/components/app/models/ModelsSelector.svelte
@@ -1,6 +1,5 @@
 <script lang="ts">
 	import { onMount } from 'svelte';
-	import { SvelteMap } from 'svelte/reactivity';
 	import { ChevronDown, Loader2, Package } from '@lucide/svelte';
 	import * as DropdownMenu from '$lib/components/ui/dropdown-menu';
 	import * as Tooltip from '$lib/components/ui/tooltip';
@@ -19,9 +18,11 @@
 		DialogModelInformation,
 		DropdownMenuSearchable,
 		ModelId,
+		ModelsSelectorList,
 		ModelsSelectorOption
 	} from '$lib/components/app';
 	import type { ModelOption } from '$lib/types/models';
+	import { filterModelOptions, groupModelOptions, type ModelItem } from './utils';
 
 	interface Props {
 		class?: string;
@@ -73,89 +74,13 @@
 	let searchTerm = $state('');
 	let highlightedIndex = $state<number>(-1);
 
-	let filteredOptions: ModelOption[] = $derived.by(() => {
-		const term = searchTerm.trim().toLowerCase();
-		if (!term) return options;
+	let filteredOptions = $derived(filterModelOptions(options, searchTerm));
 
-		return options.filter(
-			(option) =>
-				option.model.toLowerCase().includes(term) ||
-				option.name?.toLowerCase().includes(term) ||
-				option.aliases?.some((alias: string) => alias.toLowerCase().includes(term)) ||
-				option.tags?.some((tag: string) => tag.toLowerCase().includes(term))
-		);
-	});
-
-	let groupedFilteredOptions = $derived.by(() => {
-		const favIds = modelsStore.favouriteModelIds;
-		const result: {
-			orgName: string | null;
-			isFavouritesGroup: boolean;
-			isLoadedGroup: boolean;
-			items: { option: ModelOption; flatIndex: number }[];
-		}[] = [];
-
-		// Loaded models group (top)
-		const loadedItems: { option: ModelOption; flatIndex: number }[] = [];
-		for (let i = 0; i < filteredOptions.length; i++) {
-			if (modelsStore.isModelLoaded(filteredOptions[i].model)) {
-				loadedItems.push({ option: filteredOptions[i], flatIndex: i });
-			}
-		}
-
-		if (loadedItems.length > 0) {
-			result.push({
-				orgName: null,
-				isFavouritesGroup: false,
-				isLoadedGroup: true,
-				items: loadedItems
-			});
-		}
-
-		// Favourites group
-		const loadedModelIds = new Set(loadedItems.map((item) => item.option.model));
-		const favItems: { option: ModelOption; flatIndex: number }[] = [];
-		for (let i = 0; i < filteredOptions.length; i++) {
-			if (favIds.has(filteredOptions[i].model) && !loadedModelIds.has(filteredOptions[i].model)) {
-				favItems.push({ option: filteredOptions[i], flatIndex: i });
-			}
-		}
-
-		if (favItems.length > 0) {
-			result.push({
-				orgName: null,
-				isFavouritesGroup: true,
-				isLoadedGroup: false,
-				items: favItems
-			});
-		}
-
-		// Org groups (excluding loaded and favourites)
-		const orgGroups = new SvelteMap<string, { option: ModelOption; flatIndex: number }[]>();
-		for (let i = 0; i < filteredOptions.length; i++) {
-			const option = filteredOptions[i];
-
-			if (loadedModelIds.has(option.model) || favIds.has(option.model)) continue;
-
-			const orgName = option.parsedId?.orgName ?? null;
-			const key = orgName ?? '';
-
-			if (!orgGroups.has(key)) orgGroups.set(key, []);
-
-			orgGroups.get(key)!.push({ option, flatIndex: i });
-		}
-
-		for (const [orgName, items] of orgGroups) {
-			result.push({
-				orgName: orgName || null,
-				isFavouritesGroup: false,
-				isLoadedGroup: false,
-				items
-			});
-		}
-
-		return result;
-	});
+	let groupedFilteredOptions = $derived(
+		groupModelOptions(filteredOptions, modelsStore.favouriteModelIds, (m) =>
+			modelsStore.isModelLoaded(m)
+		)
+	);
 
 	$effect(() => {
 		void searchTerm;
@@ -164,6 +89,12 @@
 
 	let isOpen = $state(false);
 	let showModelDialog = $state(false);
+	let infoModelId = $state<string | null>(null);
+
+	function handleInfoClick(modelName: string) {
+		infoModelId = modelName;
+		showModelDialog = true;
+	}
 
 	onMount(() => {
 		modelsStore.fetch().catch((error) => {
@@ -418,45 +349,39 @@
 								<p class="px-4 py-3 text-sm text-muted-foreground">No models found.</p>
 							{/if}
 
-							{#each groupedFilteredOptions as group (group.isLoadedGroup ? '__loaded__' : group.isFavouritesGroup ? '__favourites__' : group.orgName)}
-								{#if group.isLoadedGroup}
-									<p class="px-2 py-2 text-xs font-semibold text-muted-foreground/60 select-none">
-										Loaded models
-									</p>
-								{:else if group.isFavouritesGroup}
-									<p class="px-2 py-2 text-xs font-semibold text-muted-foreground/60 select-none">
-										Favourite models
-									</p>
-								{:else if group.orgName}
-									<p
-										class="px-2 py-2 text-xs font-semibold text-muted-foreground/60 select-none [&:not(:first-child)]:mt-2"
-									>
-										{group.orgName}
-									</p>
-								{/if}
+							{#snippet modelOption(item: ModelItem, showOrgName: boolean)}
+								{@const { option, flatIndex } = item}
+								{@const isSelected = currentModel === option.model || activeId === option.id}
+								{@const isHighlighted = flatIndex === highlightedIndex}
+								{@const isFav = modelsStore.favouriteModelIds.has(option.model)}
 
-								{#each group.items as { option, flatIndex } (group.isLoadedGroup ? `loaded-${option.id}` : group.isFavouritesGroup ? `fav-${option.id}` : option.id)}
-									{@const isSelected = currentModel === option.model || activeId === option.id}
-									{@const isHighlighted = flatIndex === highlightedIndex}
-									{@const isFav = modelsStore.favouriteModelIds.has(option.model)}
+								<ModelsSelectorOption
+									{option}
+									{isSelected}
+									{isHighlighted}
+									{isFav}
+									{showOrgName}
+									onSelect={handleSelect}
+									onInfoClick={handleInfoClick}
+									onMouseEnter={() => (highlightedIndex = flatIndex)}
+									onKeyDown={(e) => {
+										if (e.key === KeyboardKey.ENTER || e.key === KeyboardKey.SPACE) {
+											e.preventDefault();
+											handleSelect(option.id);
+										}
+									}}
+								/>
+							{/snippet}
 
-									<ModelsSelectorOption
-										{option}
-										{isSelected}
-										{isHighlighted}
-										{isFav}
-										showOrgName={group.isFavouritesGroup || group.isLoadedGroup}
-										onSelect={handleSelect}
-										onMouseEnter={() => (highlightedIndex = flatIndex)}
-										onKeyDown={(e) => {
-											if (e.key === KeyboardKey.ENTER || e.key === KeyboardKey.SPACE) {
-												e.preventDefault();
-												handleSelect(option.id);
-											}
-										}}
-									/>
-								{/each}
-							{/each}
+							<ModelsSelectorList
+								groups={groupedFilteredOptions}
+								{currentModel}
+								{activeId}
+								sectionHeaderClass="my-1.5 px-2 py-2 text-[13px] font-semibold text-muted-foreground/70 select-none"
+								onSelect={handleSelect}
+								onInfoClick={handleInfoClick}
+								renderOption={modelOption}
+							/>
 						</div>
 					</DropdownMenuSearchable>
 				</DropdownMenu.Content>
@@ -500,6 +425,6 @@
 	{/if}
 </div>
 
-{#if showModelDialog && !isRouter}
-	<DialogModelInformation bind:open={showModelDialog} />
+{#if showModelDialog}
+	<DialogModelInformation bind:open={showModelDialog} modelId={infoModelId} />
 {/if}
diff --git a/tools/server/webui/src/lib/components/app/models/ModelsSelectorList.svelte b/tools/server/webui/src/lib/components/app/models/ModelsSelectorList.svelte
new file mode 100644
index 0000000000..86d798670c
--- /dev/null
+++ b/tools/server/webui/src/lib/components/app/models/ModelsSelectorList.svelte
@@ -0,0 +1,72 @@
+<script lang="ts">
+	import { modelsStore } from '$lib/stores/models.svelte';
+	import { ModelsSelectorOption } from '$lib/components/app';
+	import type { GroupedModelOptions, ModelItem } from './utils';
+
+	interface Props {
+		groups: GroupedModelOptions;
+		currentModel: string | null;
+		activeId: string | null;
+		sectionHeaderClass?: string;
+		orgHeaderClass?: string;
+		onSelect: (modelId: string) => void;
+		onInfoClick: (modelName: string) => void;
+		renderOption?: import('svelte').Snippet<[ModelItem, boolean]>;
+	}
+
+	let {
+		groups,
+		currentModel,
+		activeId,
+		sectionHeaderClass = 'my-1 px-2 py-2 text-[13px] font-semibold text-muted-foreground/70 select-none',
+		orgHeaderClass = 'px-2 py-2 text-[11px] font-semibold text-muted-foreground/50 select-none [&:not(:first-child)]:mt-1',
+		onSelect,
+		onInfoClick,
+		renderOption
+	}: Props = $props();
+	let render = $derived(renderOption ?? defaultOption);
+</script>
+
+{#snippet defaultOption(item: ModelItem, showOrgName: boolean)}
+	{@const { option } = item}
+	{@const isSelected = currentModel === option.model || activeId === option.id}
+	{@const isFav = modelsStore.favouriteModelIds.has(option.model)}
+
+	<ModelsSelectorOption
+		{option}
+		{isSelected}
+		isHighlighted={false}
+		{isFav}
+		{showOrgName}
+		{onSelect}
+		{onInfoClick}
+		onMouseEnter={() => {}}
+		onKeyDown={() => {}}
+	/>
+{/snippet}
+
+{#if groups.loaded.length > 0}
+	<p class={sectionHeaderClass}>Loaded models</p>
+	{#each groups.loaded as item (`loaded-${item.option.id}`)}
+		{@render render(item, true)}
+	{/each}
+{/if}
+
+{#if groups.favourites.length > 0}
+	<p class={sectionHeaderClass}>Favourite models</p>
+	{#each groups.favourites as item (`fav-${item.option.id}`)}
+		{@render render(item, true)}
+	{/each}
+{/if}
+
+{#if groups.available.length > 0}
+	<p class={sectionHeaderClass}>Available models</p>
+	{#each groups.available as group (group.orgName)}
+		{#if group.orgName}
+			<p class={orgHeaderClass}>{group.orgName}</p>
+		{/if}
+		{#each group.items as item (item.option.id)}
+			{@render render(item, false)}
+		{/each}
+	{/each}
+{/if}
diff --git a/tools/server/webui/src/lib/components/app/models/ModelsSelectorOption.svelte b/tools/server/webui/src/lib/components/app/models/ModelsSelectorOption.svelte
index d4239fb1a1..8f44bb8de1 100644
--- a/tools/server/webui/src/lib/components/app/models/ModelsSelectorOption.svelte
+++ b/tools/server/webui/src/lib/components/app/models/ModelsSelectorOption.svelte
@@ -1,5 +1,14 @@
 <script lang="ts">
-	import { CircleAlert, Heart, HeartOff, Loader2, Power, PowerOff, RotateCw } from '@lucide/svelte';
+	import {
+		CircleAlert,
+		Heart,
+		HeartOff,
+		Info,
+		Loader2,
+		Power,
+		PowerOff,
+		RotateCw
+	} from '@lucide/svelte';
 	import { cn } from '$lib/components/ui/utils';
 	import { ActionIcon, ModelId } from '$lib/components/app';
 	import type { ModelOption } from '$lib/types/models';
@@ -15,6 +24,7 @@
 		onSelect: (modelId: string) => void;
 		onMouseEnter: () => void;
 		onKeyDown: (e: KeyboardEvent) => void;
+		onInfoClick?: (modelName: string) => void;
 	}
 
 	let {
@@ -25,7 +35,8 @@
 		showOrgName = false,
 		onSelect,
 		onMouseEnter,
-		onKeyDown
+		onKeyDown,
+		onInfoClick
 	}: Props = $props();
 
 	let currentRouterModels = $derived(routerModels());
@@ -63,11 +74,11 @@
 		class="flex-1"
 	/>
 
-	<div class="flex shrink-0 items-center gap-2.5">
+	<div class="flex shrink-0 items-center gap-1">
 		<!-- svelte-ignore a11y_no_static_element_interactions -->
 		<!-- svelte-ignore a11y_click_events_have_key_events -->
 		<div
-			class="pointer-events-none flex w-4 items-center justify-center pl-2 opacity-0 group-hover:pointer-events-auto group-hover:opacity-100"
+			class="pointer-events-none flex items-center justify-center gap-0.75 pl-2 opacity-0 group-hover:pointer-events-auto group-hover:opacity-100"
 			onclick={(e) => e.stopPropagation()}
 		>
 			{#if isFav}
@@ -87,7 +98,19 @@
 					onclick={() => modelsStore.toggleFavourite(option.model)}
 				/>
 			{/if}
+
+			<!-- info button: only shown when model is loaded and callback is provided -->
+			{#if isLoaded && onInfoClick}
+				<ActionIcon
+					iconSize="h-2.5 w-2.5"
+					icon={Info}
+					tooltip="Model information"
+					class="h-3 w-3 hover:text-foreground"
+					onclick={() => onInfoClick(option.model)}
+				/>
+			{/if}
 		</div>
+
 		{#if isLoading}
 			<Loader2 class="h-4 w-4 animate-spin text-muted-foreground" />
 		{:else if isFailed}
diff --git a/tools/server/webui/src/lib/components/app/models/ModelsSelectorSheet.svelte b/tools/server/webui/src/lib/components/app/models/ModelsSelectorSheet.svelte
index 6fdb3e39f3..26f2b72d2b 100644
--- a/tools/server/webui/src/lib/components/app/models/ModelsSelectorSheet.svelte
+++ b/tools/server/webui/src/lib/components/app/models/ModelsSelectorSheet.svelte
@@ -1,6 +1,5 @@
 <script lang="ts">
 	import { onMount } from 'svelte';
-	import { SvelteMap } from 'svelte/reactivity';
 	import { ChevronDown, Loader2, Package } from '@lucide/svelte';
 	import * as Sheet from '$lib/components/ui/sheet';
 	import { cn } from '$lib/components/ui/utils';
@@ -15,11 +14,12 @@
 	import { isRouterMode } from '$lib/stores/server.svelte';
 	import {
 		DialogModelInformation,
+		ModelsSelectorList,
 		SearchInput,
-		TruncatedText,
-		ModelsSelectorOption
+		TruncatedText
 	} from '$lib/components/app';
 	import type { ModelOption } from '$lib/types/models';
+	import { filterModelOptions, groupModelOptions } from './utils';
 
 	interface Props {
 		class?: string;
@@ -73,85 +73,22 @@
 
 	let searchTerm = $state('');
 
-	let filteredOptions: ModelOption[] = $derived.by(() => {
-		const term = searchTerm.trim().toLowerCase();
-		if (!term) return options;
+	let filteredOptions = $derived(filterModelOptions(options, searchTerm));
 
-		return options.filter(
-			(option) =>
-				option.model.toLowerCase().includes(term) ||
-				option.name?.toLowerCase().includes(term) ||
-				option.aliases?.some((alias: string) => alias.toLowerCase().includes(term)) ||
-				option.tags?.some((tag: string) => tag.toLowerCase().includes(term))
-		);
-	});
-
-	let groupedFilteredOptions = $derived.by(() => {
-		const favIds = modelsStore.favouriteModelIds;
-		const result: {
-			orgName: string | null;
-			isFavouritesGroup: boolean;
-			isLoadedGroup: boolean;
-			items: { option: ModelOption; flatIndex: number }[];
-		}[] = [];
-
-		// Loaded models group (top)
-		const loadedItems: { option: ModelOption; flatIndex: number }[] = [];
-		for (let i = 0; i < filteredOptions.length; i++) {
-			if (modelsStore.isModelLoaded(filteredOptions[i].model)) {
-				loadedItems.push({ option: filteredOptions[i], flatIndex: i });
-			}
-		}
-		if (loadedItems.length > 0) {
-			result.push({
-				orgName: null,
-				isFavouritesGroup: false,
-				isLoadedGroup: true,
-				items: loadedItems
-			});
-		}
-
-		// Favourites group
-		const loadedModelIds = new Set(loadedItems.map((item) => item.option.model));
-		const favItems: { option: ModelOption; flatIndex: number }[] = [];
-		for (let i = 0; i < filteredOptions.length; i++) {
-			if (favIds.has(filteredOptions[i].model) && !loadedModelIds.has(filteredOptions[i].model)) {
-				favItems.push({ option: filteredOptions[i], flatIndex: i });
-			}
-		}
-		if (favItems.length > 0) {
-			result.push({
-				orgName: null,
-				isFavouritesGroup: true,
-				isLoadedGroup: false,
-				items: favItems
-			});
-		}
-
-		// Org groups (excluding loaded and favourites)
-		const orgGroups = new SvelteMap<string, { option: ModelOption; flatIndex: number }[]>();
-		for (let i = 0; i < filteredOptions.length; i++) {
-			const option = filteredOptions[i];
-			if (loadedModelIds.has(option.model) || favIds.has(option.model)) continue;
-			const orgName = option.parsedId?.orgName ?? null;
-			const key = orgName ?? '';
-			if (!orgGroups.has(key)) orgGroups.set(key, []);
-			orgGroups.get(key)!.push({ option, flatIndex: i });
-		}
-		for (const [orgName, items] of orgGroups) {
-			result.push({
-				orgName: orgName || null,
-				isFavouritesGroup: false,
-				isLoadedGroup: false,
-				items
-			});
-		}
-
-		return result;
-	});
+	let groupedFilteredOptions = $derived(
+		groupModelOptions(filteredOptions, modelsStore.favouriteModelIds, (m) =>
+			modelsStore.isModelLoaded(m)
+		)
+	);
 
 	let sheetOpen = $state(false);
 	let showModelDialog = $state(false);
+	let infoModelId = $state<string | null>(null);
+
+	function handleInfoClick(modelName: string) {
+		infoModelId = modelName;
+		showModelDialog = true;
+	}
 
 	onMount(() => {
 		modelsStore.fetch().catch((error) => {
@@ -339,38 +276,15 @@
 								<p class="px-3 py-3 text-center text-sm text-muted-foreground">No models found.</p>
 							{/if}
 
-							{#each groupedFilteredOptions as group (group.isLoadedGroup ? '__loaded__' : group.isFavouritesGroup ? '__favourites__' : group.orgName)}
-								{#if group.isLoadedGroup}
-									<p class="px-2 py-2 text-xs font-semibold text-muted-foreground/60 select-none">
-										Loaded models
-									</p>
-								{:else if group.isFavouritesGroup}
-									<p class="px-2 py-2 text-xs font-semibold text-muted-foreground/60 select-none">
-										Favourite models
-									</p>
-								{:else if group.orgName}
-									<p
-										class="px-2 py-2 text-xs font-semibold text-muted-foreground/60 select-none [&:not(:first-child)]:mt-2"
-									>
-										{group.orgName}
-									</p>
-								{/if}
-
-								{#each group.items as { option } (group.isLoadedGroup ? `loaded-${option.id}` : group.isFavouritesGroup ? `fav-${option.id}` : option.id)}
-									{@const isSelected = currentModel === option.model || activeId === option.id}
-									{@const isFav = modelsStore.favouriteModelIds.has(option.model)}
-									<ModelsSelectorOption
-										{option}
-										{isSelected}
-										isHighlighted={false}
-										{isFav}
-										showOrgName={group.isFavouritesGroup || group.isLoadedGroup}
-										onSelect={handleSelect}
-										onMouseEnter={() => {}}
-										onKeyDown={() => {}}
-									/>
-								{/each}
-							{/each}
+							<ModelsSelectorList
+								groups={groupedFilteredOptions}
+								{currentModel}
+								{activeId}
+								sectionHeaderClass="px-2 py-2 text-xs font-semibold text-muted-foreground/60 select-none"
+								orgHeaderClass="px-2 py-2 text-xs font-semibold text-muted-foreground/60 select-none [&:not(:first-child)]:mt-2"
+								onSelect={handleSelect}
+								onInfoClick={handleInfoClick}
+							/>
 						</div>
 					</div>
 				</Sheet.Content>
@@ -403,6 +317,6 @@
 	{/if}
 </div>
 
-{#if showModelDialog && !isRouter}
-	<DialogModelInformation bind:open={showModelDialog} />
+{#if showModelDialog}
+	<DialogModelInformation bind:open={showModelDialog} modelId={infoModelId} />
 {/if}
diff --git a/tools/server/webui/src/lib/components/app/models/index.ts b/tools/server/webui/src/lib/components/app/models/index.ts
index 4a32be1b9d..6a87345053 100644
--- a/tools/server/webui/src/lib/components/app/models/index.ts
+++ b/tools/server/webui/src/lib/components/app/models/index.ts
@@ -44,6 +44,27 @@
  */
 export { default as ModelsSelector } from './ModelsSelector.svelte';
 
+/**
+ * **ModelsSelectorList** - Grouped model options list
+ *
+ * Renders grouped model options (loaded, favourites, available) with section
+ * headers and org subgroups. Shared between ModelsSelector and ModelsSelectorSheet
+ * to avoid template duplication.
+ *
+ * Accepts an optional `renderOption` snippet to customize how each option is
+ * rendered (e.g., to add keyboard navigation or highlighting).
+ */
+export { default as ModelsSelectorList } from './ModelsSelectorList.svelte';
+
+/**
+ * **ModelsSelectorOption** - Single model option row
+ *
+ * Renders a single model option with selection state, favourite toggle,
+ * load/unload actions, status indicators, and an info button.
+ * Used inside ModelsSelectorList or directly in custom render snippets.
+ */
+export { default as ModelsSelectorOption } from './ModelsSelectorOption.svelte';
+
 /**
  * **ModelsSelectorSheet** - Mobile model selection sheet
  *
@@ -80,5 +101,12 @@ export { default as ModelsSelectorSheet } from './ModelsSelectorSheet.svelte';
  * ```
  */
 export { default as ModelBadge } from './ModelBadge.svelte';
+
+/**
+ * **ModelId** - Parsed model identifier display
+ *
+ * Displays a model ID with optional org name, parameter badges, quantization,
+ * aliases, and tags. Supports raw mode to show the unprocessed model name.
+ * Respects the user's `showRawModelNames` setting.
+ */
 export { default as ModelId } from './ModelId.svelte';
-export { default as ModelsSelectorOption } from './ModelsSelectorOption.svelte';
diff --git a/tools/server/webui/src/lib/components/app/models/utils.ts b/tools/server/webui/src/lib/components/app/models/utils.ts
new file mode 100644
index 0000000000..b3616ede8e
--- /dev/null
+++ b/tools/server/webui/src/lib/components/app/models/utils.ts
@@ -0,0 +1,75 @@
+import { SvelteMap } from 'svelte/reactivity';
+import type { ModelOption } from '$lib/types/models';
+
+export interface ModelItem {
+	option: ModelOption;
+	flatIndex: number;
+}
+
+export interface OrgGroup {
+	orgName: string | null;
+	items: ModelItem[];
+}
+
+export interface GroupedModelOptions {
+	loaded: ModelItem[];
+	favourites: ModelItem[];
+	available: OrgGroup[];
+}
+
+export function filterModelOptions(options: ModelOption[], searchTerm: string): ModelOption[] {
+	const term = searchTerm.trim().toLowerCase();
+	if (!term) return options;
+
+	return options.filter(
+		(option) =>
+			option.model.toLowerCase().includes(term) ||
+			option.name?.toLowerCase().includes(term) ||
+			option.aliases?.some((alias: string) => alias.toLowerCase().includes(term)) ||
+			option.tags?.some((tag: string) => tag.toLowerCase().includes(term))
+	);
+}
+
+export function groupModelOptions(
+	filteredOptions: ModelOption[],
+	favouriteIds: Set<string>,
+	isModelLoaded: (model: string) => boolean
+): GroupedModelOptions {
+	// Loaded models
+	const loaded: ModelItem[] = [];
+	for (let i = 0; i < filteredOptions.length; i++) {
+		if (isModelLoaded(filteredOptions[i].model)) {
+			loaded.push({ option: filteredOptions[i], flatIndex: i });
+		}
+	}
+
+	// Favourites (excluding loaded)
+	const loadedModelIds = new Set(loaded.map((item) => item.option.model));
+	const favourites: ModelItem[] = [];
+	for (let i = 0; i < filteredOptions.length; i++) {
+		if (
+			favouriteIds.has(filteredOptions[i].model) &&
+			!loadedModelIds.has(filteredOptions[i].model)
+		) {
+			favourites.push({ option: filteredOptions[i], flatIndex: i });
+		}
+	}
+
+	// Available models grouped by org (excluding loaded and favourites)
+	const available: OrgGroup[] = [];
+	const orgGroups = new SvelteMap<string, ModelItem[]>();
+	for (let i = 0; i < filteredOptions.length; i++) {
+		const option = filteredOptions[i];
+		if (loadedModelIds.has(option.model) || favouriteIds.has(option.model)) continue;
+
+		const key = option.parsedId?.orgName ?? '';
+		if (!orgGroups.has(key)) orgGroups.set(key, []);
+		orgGroups.get(key)!.push({ option, flatIndex: i });
+	}
+
+	for (const [orgName, items] of orgGroups) {
+		available.push({ orgName: orgName || null, items });
+	}
+
+	return { loaded, favourites, available };
+}
diff --git a/tools/server/webui/src/lib/constants/index.ts b/tools/server/webui/src/lib/constants/index.ts
index 41c117df54..f3593c03b1 100644
--- a/tools/server/webui/src/lib/constants/index.ts
+++ b/tools/server/webui/src/lib/constants/index.ts
@@ -24,6 +24,7 @@ export * from './max-bundle-size';
 export * from './mcp';
 export * from './mcp-form';
 export * from './mcp-resource';
+export * from './message-export';
 export * from './model-id';
 export * from './precision';
 export * from './processing-info';
diff --git a/tools/server/webui/src/lib/constants/message-export.ts b/tools/server/webui/src/lib/constants/message-export.ts
new file mode 100644
index 0000000000..79fa36f914
--- /dev/null
+++ b/tools/server/webui/src/lib/constants/message-export.ts
@@ -0,0 +1,20 @@
+// Conversation filename constants
+
+// Length of the trimmed conversation ID in the filename
+export const EXPORT_CONV_ID_TRIM_LENGTH = 8;
+// Maximum length of the sanitized conversation name snippet
+export const EXPORT_CONV_NAME_SUFFIX_MAX_LENGTH = 20;
+// Characters to keep in the ISO timestamp. 19 keeps 2026-01-01T00:00:00
+export const ISO_TIMESTAMP_SLICE_LENGTH = 19;
+
+// Replacements for making the conversation title filename-friendly
+export const NON_ALPHANUMERIC_REGEX = /[^a-z0-9]/gi;
+export const EXPORT_CONV_NONALNUM_REPLACEMENT = '_';
+export const MULTIPLE_UNDERSCORE_REGEX = /_+/g;
+
+// Replacements to the ISO date for use in the export filename
+export const ISO_DATE_TIME_SEPARATOR = 'T';
+export const ISO_DATE_TIME_SEPARATOR_REPLACEMENT = '_';
+
+export const ISO_TIME_SEPARATOR = ':';
+export const ISO_TIME_SEPARATOR_REPLACEMENT = '-';
diff --git a/tools/server/webui/src/lib/stores/conversations.svelte.ts b/tools/server/webui/src/lib/stores/conversations.svelte.ts
index ec1daa90d9..39f206479f 100644
--- a/tools/server/webui/src/lib/stores/conversations.svelte.ts
+++ b/tools/server/webui/src/lib/stores/conversations.svelte.ts
@@ -26,6 +26,18 @@ import { config } from '$lib/stores/settings.svelte';
 import { filterByLeafNodeId, findLeafNode } from '$lib/utils';
 import type { McpServerOverride } from '$lib/types/database';
 import { MessageRole } from '$lib/enums';
+import {
+	ISO_DATE_TIME_SEPARATOR,
+	ISO_DATE_TIME_SEPARATOR_REPLACEMENT,
+	ISO_TIMESTAMP_SLICE_LENGTH,
+	EXPORT_CONV_ID_TRIM_LENGTH,
+	EXPORT_CONV_NONALNUM_REPLACEMENT,
+	EXPORT_CONV_NAME_SUFFIX_MAX_LENGTH,
+	ISO_TIME_SEPARATOR,
+	ISO_TIME_SEPARATOR_REPLACEMENT,
+	NON_ALPHANUMERIC_REGEX,
+	MULTIPLE_UNDERSCORE_REGEX
+} from '$lib/constants';
 
 class ConversationsStore {
 	/**
@@ -619,6 +631,66 @@ class ConversationsStore {
 	 *
 	 */
 
+	/**
+	 * Generates a sanitized filename for a conversation export
+	 * @param conversation - The conversation metadata
+	 * @param msgs - Optional array of messages belonging to the conversation
+	 * @returns The generated filename string
+	 */
+	generateConversationFilename(
+		conversation: { id?: string; name?: string },
+		msgs?: DatabaseMessage[]
+	): string {
+		const conversationName = (conversation.name ?? '').trim().toLowerCase();
+
+		const sanitizedName = conversationName
+			.replace(NON_ALPHANUMERIC_REGEX, EXPORT_CONV_NONALNUM_REPLACEMENT)
+			.replace(MULTIPLE_UNDERSCORE_REGEX, '_')
+			.substring(0, EXPORT_CONV_NAME_SUFFIX_MAX_LENGTH);
+
+		// If we have messages, use the timestamp of the newest message
+		const referenceDate = msgs?.length
+			? new Date(Math.max(...msgs.map((m) => m.timestamp)))
+			: new Date();
+
+		const iso = referenceDate.toISOString().slice(0, ISO_TIMESTAMP_SLICE_LENGTH);
+		const formattedDate = iso
+			.replace(ISO_DATE_TIME_SEPARATOR, ISO_DATE_TIME_SEPARATOR_REPLACEMENT)
+			.replaceAll(ISO_TIME_SEPARATOR, ISO_TIME_SEPARATOR_REPLACEMENT);
+		const trimmedConvId = conversation.id?.slice(0, EXPORT_CONV_ID_TRIM_LENGTH) ?? '';
+		return `${formattedDate}_conv_${trimmedConvId}_${sanitizedName}.json`;
+	}
+
+	/**
+	 * Triggers a browser download of the provided exported conversation data
+	 * @param data - The exported conversation payload (either a single conversation or array of them)
+	 * @param filename - Filename; if omitted, a deterministic name is generated
+	 */
+	downloadConversationFile(data: ExportedConversations, filename?: string): void {
+		// Choose the first conversation or message
+		const conversation =
+			'conv' in data ? data.conv : Array.isArray(data) ? data[0]?.conv : undefined;
+		const msgs =
+			'messages' in data ? data.messages : Array.isArray(data) ? data[0]?.messages : undefined;
+
+		if (!conversation) {
+			console.error('Invalid data: missing conversation');
+			return;
+		}
+
+		const downloadFilename = filename ?? this.generateConversationFilename(conversation, msgs);
+
+		const blob = new Blob([JSON.stringify(data, null, 2)], { type: 'application/json' });
+		const url = URL.createObjectURL(blob);
+		const a = document.createElement('a');
+		a.href = url;
+		a.download = downloadFilename;
+		document.body.appendChild(a);
+		a.click();
+		document.body.removeChild(a);
+		URL.revokeObjectURL(url);
+	}
+
 	/**
 	 * Downloads a conversation as JSON file.
 	 * @param convId - The conversation ID to download
@@ -636,40 +708,7 @@ class ConversationsStore {
 			messages = await DatabaseService.getConversationMessages(convId);
 		}
 
-		this.triggerDownload({ conv: conversation, messages });
-	}
-
-	/**
-	 * Exports all conversations with their messages as a JSON file
-	 * @returns The list of exported conversations
-	 */
-	async exportAllConversations(): Promise<DatabaseConversation[]> {
-		const allConversations = await DatabaseService.getAllConversations();
-
-		if (allConversations.length === 0) {
-			throw new Error('No conversations to export');
-		}
-
-		const allData = await Promise.all(
-			allConversations.map(async (conv) => {
-				const messages = await DatabaseService.getConversationMessages(conv.id);
-				return { conv, messages };
-			})
-		);
-
-		const blob = new Blob([JSON.stringify(allData, null, 2)], { type: 'application/json' });
-		const url = URL.createObjectURL(blob);
-		const a = document.createElement('a');
-		a.href = url;
-		a.download = `all_conversations_${new Date().toISOString().split('T')[0]}.json`;
-		document.body.appendChild(a);
-		a.click();
-		document.body.removeChild(a);
-		URL.revokeObjectURL(url);
-
-		toast.success(`All conversations (${allConversations.length}) prepared for download`);
-
-		return allConversations;
+		this.downloadConversationFile({ conv: conversation, messages });
 	}
 
 	/**
@@ -743,37 +782,6 @@ class ConversationsStore {
 		await this.loadConversations();
 		return result;
 	}
-
-	/**
-	 * Triggers file download in browser
-	 */
-	private triggerDownload(data: ExportedConversations, filename?: string): void {
-		const conversation =
-			'conv' in data ? data.conv : Array.isArray(data) ? data[0]?.conv : undefined;
-
-		if (!conversation) {
-			console.error('Invalid data: missing conversation');
-			return;
-		}
-
-		const conversationName = conversation.name?.trim() || '';
-		const truncatedSuffix = conversationName
-			.toLowerCase()
-			.replace(/[^a-z0-9]/gi, '_')
-			.replace(/_+/g, '_')
-			.substring(0, 20);
-		const downloadFilename = filename || `conversation_${conversation.id}_${truncatedSuffix}.json`;
-
-		const blob = new Blob([JSON.stringify(data, null, 2)], { type: 'application/json' });
-		const url = URL.createObjectURL(blob);
-		const a = document.createElement('a');
-		a.href = url;
-		a.download = downloadFilename;
-		document.body.appendChild(a);
-		a.click();
-		document.body.removeChild(a);
-		URL.revokeObjectURL(url);
-	}
 }
 
 export const conversationsStore = new ConversationsStore();
diff --git a/tools/server/webui/src/lib/stores/mcp.svelte.ts b/tools/server/webui/src/lib/stores/mcp.svelte.ts
index f87789d7ab..dadf8fda62 100644
--- a/tools/server/webui/src/lib/stores/mcp.svelte.ts
+++ b/tools/server/webui/src/lib/stores/mcp.svelte.ts
@@ -20,6 +20,7 @@
  */
 
 import { browser } from '$app/environment';
+import { base } from '$app/paths';
 import { MCPService } from '$lib/services/mcp.service';
 import { config, settingsStore } from '$lib/stores/settings.svelte';
 import { mcpResourceStore } from '$lib/stores/mcp-resources.svelte';
@@ -42,6 +43,7 @@ import {
 	ToolCallType
 } from '$lib/enums';
 import {
+	CORS_PROXY_ENDPOINT,
 	DEFAULT_CACHE_TTL_MS,
 	DEFAULT_MCP_CONFIG,
 	EXPECTED_THEMED_ICON_PAIR_COUNT,
@@ -78,165 +80,13 @@ import type { ListChangedHandlers } from '@modelcontextprotocol/sdk/types.js';
 import type { DatabaseMessageExtraMcpResource, McpServerOverride } from '$lib/types/database';
 import type { SettingsConfigType } from '$lib/types/settings';
 
-export function buildMcpClientConfig(
-	cfg: SettingsConfigType,
-	perChatOverrides?: McpServerOverride[]
-): MCPClientConfig | undefined {
-	return buildMcpClientConfigInternal(cfg, perChatOverrides);
-}
-
-/**
- * Internal helper to build MCP client config.
- * Kept as standalone function for external use and tests.
- */
-export function buildMcpClientConfigInternal(
-	cfg: SettingsConfigType,
-	perChatOverrides?: McpServerOverride[]
-): MCPClientConfig | undefined {
-	const rawServers = parseServerSettings(cfg.mcpServers);
-	if (!rawServers.length) {
-		return undefined;
-	}
-
-	const servers: Record<string, MCPServerConfig> = {};
-
-	for (const [index, entry] of rawServers.entries()) {
-		if (!checkServerEnabled(entry, perChatOverrides)) continue;
-		const normalized = buildServerConfig(entry);
-		if (normalized) servers[generateMcpServerId(entry.id, index)] = normalized;
-	}
-
-	if (Object.keys(servers).length === 0) {
-		return undefined;
-	}
-
-	return {
-		protocolVersion: DEFAULT_MCP_CONFIG.protocolVersion,
-		capabilities: DEFAULT_MCP_CONFIG.capabilities,
-		clientInfo: DEFAULT_MCP_CONFIG.clientInfo,
-		requestTimeoutMs: Math.round(DEFAULT_MCP_CONFIG.requestTimeoutSeconds * 1000),
-		servers
-	};
-}
-
-/**
- * Generates a unique server ID from an optional ID string or index.
- * @deprecated Use MCPStore.#generateServerId instead
- */
-function generateMcpServerId(id: unknown, index: number): string {
-	if (typeof id === 'string' && id.trim()) {
-		return id.trim();
-	}
-
-	return `${MCP_SERVER_ID_PREFIX}-${index + 1}`;
-}
-
-/**
- * Parses raw server settings from config into MCPServerSettingsEntry array.
- * @deprecated Use MCPStore.#parseServerSettings instead
- */
-function parseServerSettings(rawServers: unknown): MCPServerSettingsEntry[] {
-	if (!rawServers) {
-		return [];
-	}
-
-	let parsed: unknown;
-	if (typeof rawServers === 'string') {
-		const trimmed = rawServers.trim();
-		if (!trimmed) {
-			return [];
-		}
-
-		try {
-			parsed = JSON.parse(trimmed);
-		} catch (error) {
-			console.warn('[MCP] Failed to parse mcpServers JSON:', error);
-
-			return [];
-		}
-	} else {
-		parsed = rawServers;
-	}
-	if (!Array.isArray(parsed)) {
-		return [];
-	}
-
-	return parsed.map((entry, index) => {
-		const url = typeof entry?.url === 'string' ? entry.url.trim() : '';
-		const headers = typeof entry?.headers === 'string' ? entry.headers.trim() : undefined;
-
-		return {
-			id: generateMcpServerId((entry as { id?: unknown })?.id, index),
-			enabled: Boolean((entry as { enabled?: unknown })?.enabled),
-			url,
-			name: (entry as { name?: string })?.name,
-			requestTimeoutSeconds: DEFAULT_MCP_CONFIG.requestTimeoutSeconds,
-			headers: headers || undefined,
-			useProxy: Boolean((entry as { useProxy?: unknown })?.useProxy)
-		} satisfies MCPServerSettingsEntry;
-	});
-}
-
-/**
- * Builds server configuration from a settings entry.
- * @deprecated Use MCPStore.#buildServerConfig instead
- */
-function buildServerConfig(
-	entry: MCPServerSettingsEntry,
-	connectionTimeoutMs = DEFAULT_MCP_CONFIG.connectionTimeoutMs
-): MCPServerConfig | undefined {
-	if (!entry?.url) {
-		return undefined;
-	}
-
-	let headers: Record<string, string> | undefined;
-	if (entry.headers) {
-		try {
-			const parsed = JSON.parse(entry.headers);
-			if (typeof parsed === 'object' && parsed !== null && !Array.isArray(parsed))
-				headers = parsed as Record<string, string>;
-		} catch {
-			console.warn('[MCP] Failed to parse custom headers JSON:', entry.headers);
-		}
-	}
-
-	return {
-		url: entry.url,
-		transport: detectMcpTransportFromUrl(entry.url),
-		handshakeTimeoutMs: connectionTimeoutMs,
-		requestTimeoutMs: Math.round(entry.requestTimeoutSeconds * 1000),
-		headers,
-		useProxy: entry.useProxy
-	};
-}
-
-/**
- * Checks if a server is enabled, considering per-chat overrides.
- * @deprecated Use MCPStore.#checkServerEnabled instead
- */
-function checkServerEnabled(
-	server: MCPServerSettingsEntry,
-	perChatOverrides?: McpServerOverride[]
-): boolean {
-	if (!server.enabled) {
-		return false;
-	}
-
-	if (perChatOverrides) {
-		const override = perChatOverrides.find((o) => o.serverId === server.id);
-
-		return override?.enabled ?? false;
-	}
-
-	return false;
-}
-
 class MCPStore {
 	private _isInitializing = $state(false);
 	private _error = $state<string | null>(null);
 	private _toolCount = $state(0);
 	private _connectedServers = $state<string[]>([]);
 	private _healthChecks = $state<Record<string, HealthCheckState>>({});
+	private _proxyAvailable = $state(false);
 
 	private connections = new Map<string, MCPConnection>();
 	private toolsIndex = new Map<string, string>();
@@ -246,6 +96,29 @@ class MCPStore {
 	private initPromise: Promise<boolean> | null = null;
 	private activeFlowCount = 0;
 
+	constructor() {
+		if (browser) {
+			this.probeProxy();
+		}
+	}
+
+	/**
+	 * Probes the CORS proxy endpoint to determine availability.
+	 * The endpoint is only registered when llama-server runs with --webui-mcp-proxy.
+	 */
+	async probeProxy(): Promise<void> {
+		try {
+			const response = await fetch(`${base}${CORS_PROXY_ENDPOINT}`, { method: 'HEAD' });
+			this._proxyAvailable = response.status !== 404;
+		} catch {
+			this._proxyAvailable = false;
+		}
+	}
+
+	get isProxyAvailable(): boolean {
+		return this._proxyAvailable;
+	}
+
 	/**
 	 * Generates a unique server ID from an optional ID string or index.
 	 */
@@ -520,6 +393,7 @@ class MCPStore {
 
 	getServerLabel(server: MCPServerSettingsEntry): string {
 		const healthState = this.getHealthCheckState(server.id);
+
 		if (healthState?.status === HealthCheckStatus.SUCCESS)
 			return (
 				healthState.serverInfo?.title || healthState.serverInfo?.name || server.name || server.url
@@ -603,6 +477,7 @@ class MCPStore {
 	 */
 	#proxyIconSrc(src: string): string {
 		if (src.startsWith('data:')) return src;
+		if (!this._proxyAvailable) return src;
 
 		return getProxiedUrlString(src);
 	}
@@ -629,7 +504,7 @@ class MCPStore {
 			}
 		}
 
-		return getFaviconUrl(server.url);
+		return getFaviconUrl(server.url, this._proxyAvailable);
 	}
 
 	isAnyServerLoading(): boolean {
@@ -2072,6 +1947,7 @@ export const mcpIsInitializing = () => mcpStore.isInitializing;
 export const mcpIsInitialized = () => mcpStore.isInitialized;
 export const mcpError = () => mcpStore.error;
 export const mcpIsEnabled = () => mcpStore.isEnabled;
+export const mcpIsProxyAvailable = () => mcpStore.isProxyAvailable;
 export const mcpAvailableTools = () => mcpStore.availableTools;
 export const mcpConnectedServerCount = () => mcpStore.connectedServerCount;
 export const mcpConnectedServerNames = () => mcpStore.connectedServerNames;
diff --git a/tools/server/webui/src/lib/utils/conversation-utils.ts b/tools/server/webui/src/lib/utils/conversation-utils.ts
index aee244a080..2c3d838999 100644
--- a/tools/server/webui/src/lib/utils/conversation-utils.ts
+++ b/tools/server/webui/src/lib/utils/conversation-utils.ts
@@ -1,6 +1,7 @@
 /**
  * Utility functions for conversation data manipulation
  */
+import type { DatabaseMessage } from '$lib/types';
 
 /**
  * Creates a map of conversation IDs to their message counts from exported conversation data
diff --git a/tools/server/webui/src/lib/utils/favicon.ts b/tools/server/webui/src/lib/utils/favicon.ts
index 4c75299178..a1afa1643d 100644
--- a/tools/server/webui/src/lib/utils/favicon.ts
+++ b/tools/server/webui/src/lib/utils/favicon.ts
@@ -17,7 +17,7 @@ import {
  * @param urlString - The URL to get the favicon for
  * @returns The favicon URL or null if invalid
  */
-export function getFaviconUrl(urlString: string): string | null {
+export function getFaviconUrl(urlString: string, useProxy = true): string | null {
 	try {
 		const url = new URL(urlString);
 		const hostnameParts = url.hostname.split(DOMAIN_SEPARATOR);
@@ -27,7 +27,7 @@ export function getFaviconUrl(urlString: string): string | null {
 				: url.hostname;
 
 		const googleFaviconUrl = `${GOOGLE_FAVICON_BASE_URL}?domain=${rootDomain}&sz=${DEFAULT_FAVICON_SIZE}`;
-		return getProxiedUrlString(googleFaviconUrl);
+		return useProxy ? getProxiedUrlString(googleFaviconUrl) : googleFaviconUrl;
 	} catch {
 		return null;
 	}
diff --git a/tools/server/webui/src/routes/+layout.svelte b/tools/server/webui/src/routes/+layout.svelte
index ef27276a3c..9093fc2197 100644
--- a/tools/server/webui/src/routes/+layout.svelte
+++ b/tools/server/webui/src/routes/+layout.svelte
@@ -231,7 +231,7 @@
 				<Sidebar.Trigger
 					class="transition-left absolute left-0 z-[900] duration-200 ease-linear {sidebarOpen
 						? 'md:left-[var(--sidebar-width)]'
-						: ''}"
+						: 'md:left-0!'}"
 					style="translate: 1rem 1rem;"
 				/>
 			{/if}