Add files using upload-large-folder tool

.gitattributes

@@ -33,3 +33,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+tokenizer.json filter=lfs diff=lfs merge=lfs -text

LICENSE

@@ -0,0 +1,201 @@
+                                 Apache License
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README.md

@@ -0,0 +1,41 @@
+---
+license: apache-2.0
+library_name: mlx
+pipeline_tag: automatic-speech-recognition
+tags:
+- mlx
+- asr
+- automatic-speech-recognition
+- speech-recognition
+- mimo
+base_model:
+- XiaomiMiMo/MiMo-V2.5-ASR
+language:
+- zh
+- en
+---
+
+# MiMo-V2.5-ASR-MLX
+
+Current variant: `4bit` (default entry)
+
+MLX export of `XiaomiMiMo/MiMo-V2.5-ASR` with `XiaomiMiMo/MiMo-Audio-Tokenizer`.
+
+## Variants
+
+| Variant | Precision | Size | Local smoke time | Smoke result |
+| --- | --- | ---: | ---: | --- |
+| `MiMo-V2.5-ASR-MLX` | 4bit | 4.2 GB | 0.88 s | `Intention.` |
+| `MiMo-V2.5-ASR-MLX-4bit` | 4bit | 4.2 GB | 0.88 s | `Intention.` |
+| `MiMo-V2.5-ASR-MLX-8bit` | 8bit | 8.0 GB | 10.80 s | `Intention.` |
+| `MiMo-V2.5-ASR-MLX-bf16` | bf16 | 15 GB | - | dense reference export |
+| `MiMo-V2.5-ASR-MLX-fp32` | fp32 | 30 GB | - | dense reference export |
+
+## Notes
+
+- Source model: `XiaomiMiMo/MiMo-V2.5-ASR`
+- Tokenizer: `XiaomiMiMo/MiMo-Audio-Tokenizer`
+- Conversion date: `2026-05-12`
+- License: `Apache-2.0`
+- Smoke test: `mlx-audio-swift` on `Tests/media/intention.wav`
+- Recommended default: `MiMo-V2.5-ASR-MLX`

added_tokens.json

@@ -0,0 +1,32 @@
+{
+  "</tool_call>": 151658,
+  "<tool_call>": 151657,
+  "<|Human|>": 151668,
+  "<|SpeechLM|>": 151669,
+  "<|box_end|>": 151649,
+  "<|box_start|>": 151648,
+  "<|empty|>": 151667,
+  "<|endoftext|>": 151643,
+  "<|eosp|>": 151666,
+  "<|eostm|>": 151671,
+  "<|eot|>": 151672,
+  "<|file_sep|>": 151664,
+  "<|fim_middle|>": 151660,
+  "<|fim_pad|>": 151662,
+  "<|fim_prefix|>": 151659,
+  "<|fim_suffix|>": 151661,
+  "<|im_end|>": 151645,
+  "<|im_start|>": 151644,
+  "<|image_pad|>": 151655,
+  "<|object_ref_end|>": 151647,
+  "<|object_ref_start|>": 151646,
+  "<|quad_end|>": 151651,
+  "<|quad_start|>": 151650,
+  "<|repo_name|>": 151663,
+  "<|sosp|>": 151665,
+  "<|sostm|>": 151670,
+  "<|video_pad|>": 151656,
+  "<|vision_end|>": 151653,
+  "<|vision_pad|>": 151654,
+  "<|vision_start|>": 151652
+}

chat_template.jinja

@@ -0,0 +1,170 @@
+{%- if not add_generation_prompt is defined -%}
+    {%- set add_generation_prompt = false -%}
+{%- endif -%}
+{%- if not enable_thinking is defined -%}
+    {%- set enable_thinking = false -%}
+{%- endif -%}
+{%- if not keep_all_reasoning is defined -%}
+    {%- set keep_all_reasoning = false -%}
+{%- endif -%}
+{%- macro render_extra_keys(json_dict, handled_keys) -%}
+    {%- if json_dict is mapping %}
+        {%- for json_key in json_dict if json_key not in handled_keys %}
+            {%- if json_dict[json_key] is mapping or (json_dict[json_key] is sequence and json_dict[json_key] is not string) %}
+                {{- '\n<' ~ json_key ~ '>' ~ (json_dict[json_key] | tojson | safe) ~ '</' ~ json_key ~ '>' }}
+            {%- else %}
+                {{-'\n<' ~ json_key ~ '>' ~ (json_dict[json_key] | string) ~ '</' ~ json_key ~ '>' }}
+            {%- endif %}
+        {%- endfor %}
+    {%- endif %}
+{%- endmacro -%}
+{%- macro render_content(message_content) -%}
+    {%- if message_content is string -%}
+        {{- message_content -}}
+    {%- else -%}
+        {%- for content in message_content -%}
+            {%- if content['type'] == 'image' or 'image' in content or 'image_url' in content -%}
+                {{- '<|vision_start|><|image_pad|><|vision_end|>' -}}
+            {%- elif content['type'] == 'audio' or 'audio' in content or 'audio_url' in content -%}
+                {{- '<|sosp|><|empty|><|eosp|>' -}}
+            {%- elif content['type'] == 'video' or 'video' in content or 'video_url' in content -%}
+                {{- '<|vision_start|><|video_pad|><|vision_end|>' -}}
+            {%- elif 'text' in content -%}
+                {{- content['text'] -}}
+            {%- endif -%}
+        {%- endfor -%}
+    {%- endif -%}
+{%- endmacro -%}
+{%- if messages[0]["role"] == "system" %}
+    {%- set system_message = messages[0]["content"] %}
+    {%- set loop_messages = messages[1:] %}
+{%- else %}
+    {%- set loop_messages = messages %}
+{%- endif %}
+{%- set ns = namespace(last_user_index=-1, assistant_is_last=false) %}
+{%- for m in loop_messages %}
+    {%- if m.role == 'user' %}
+        {%- set ns.last_user_index = loop.index0 -%}
+    {%- endif %}
+{%- endfor %}
+{%- if not tools is defined %}
+    {%- set tools = [] %}
+{%- endif %}
+{%- set has_system = false %}
+{%- if system_message is defined %}
+    {{- "<|im_start|>system\n" + system_message }}
+    {%- set has_system = true %}
+{%- endif %}
+{%- if tools is iterable and tools | length > 0 %}
+    {%- if not has_system %}
+        {{- "<|im_start|>system\n" }}
+        {%- set has_system = true %}
+    {%- endif %}
+    {{- "\n\n# Tools\n\nYou may call one or more functions to assist with the user query.\n\nYou have access to the following functions:\n\n" }}
+    {{- "<tools>" }}
+    {%- for tool in tools %}
+        {%- if tool.function is defined %}
+            {%- set tool = tool.function %}
+        {%- endif %}
+        {{- "\n<function>\n<name>" ~ tool.name ~ "</name>" }}
+        {%- if tool.description is defined %}
+            {{- '\n<description>' ~ (tool.description | trim) ~ '</description>' }}
+        {%- endif %}
+        {{- '\n<parameters>' }}
+        {%- if tool.parameters is defined and tool.parameters is mapping and tool.parameters.properties is defined and tool.parameters.properties is mapping %}
+            {%- for param_name, param_fields in tool.parameters.properties|items %}
+                {{- '\n<parameter>' }}
+                {{- '\n<name>' ~ param_name ~ '</name>' }}
+                {%- if param_fields.type is defined %}
+                    {{- '\n<type>' ~ (param_fields.type | string) ~ '</type>' }}
+                {%- endif %}
+                {%- if param_fields.description is defined %}
+                    {{- '\n<description>' ~ (param_fields.description | trim) ~ '</description>' }}
+                {%- endif %}
+                {%- set handled_keys = ['name', 'type', 'description'] %}
+                {{- render_extra_keys(param_fields, handled_keys) }}
+                {{- '\n</parameter>' }}
+            {%- endfor %}
+        {%- endif %}
+        {%- set handled_keys = ['type', 'properties'] %}
+        {{- render_extra_keys(tool.parameters, handled_keys) }}
+        {{- '\n</parameters>' }}
+        {%- set handled_keys = ['type', 'name', 'description', 'parameters'] %}
+        {{- render_extra_keys(tool, handled_keys) }}
+        {{- '\n</function>' }}
+    {%- endfor %}
+    {{- "\n</tools>" }}
+    {{- '\n\nFor each function call, output the function name and arguments in the following format:\n<tool_call>\n<function=example_function_name>\n<parameter=example_parameter_1>value_1</parameter>\n<parameter=example_parameter_2>This is the value for the second parameter\nthat can span\nmultiple lines</parameter>\n</function>\n</tool_call>\n\n<IMPORTANT>\n- Function calls MUST follow the specified format: an inner <function=...></function> block must be nested within <tool_call></tool_call> XML tags\n- DO NOT use function calls inside <think></think> tags.\n- The value enclosed between parameter tags is preserved exactly as-is, including newlines and spaces.\n</IMPORTANT>' }}
+{%- endif %}
+{%- if has_system %}
+    {{- '<|im_end|>\n' }}
+{%- endif %}
+{%- for message in loop_messages %}
+    {%- if message.content is string %}
+        {%- set content = message.content %}
+    {%- else %}
+        {%- set content = render_content(message.content) %}
+    {%- endif %}
+    {%- if message.role == "assistant" %}
+        {%- if message.reasoning_content is string %}
+            {%- set reasoning_content = message.reasoning_content %}
+        {%- else %}
+            {%- set reasoning_content = '' %}
+            {%- if '</think>' in content %}
+                {%- set reasoning_content = content.split('</think>')[0].split('<think>')[-1] %}
+                {%- set content = content.split('</think>')[-1] %}
+            {%- endif %}
+        {%- endif %}
+        {%- if (keep_all_reasoning or loop.index0 > ns.last_user_index) and reasoning_content -%}
+            {{- '<|im_start|>' + message.role + '\n<think>' + reasoning_content + '</think>' + content }}
+        {%- else %}
+            {{- '<|im_start|>' + message.role + '\n<think></think>' + content }}
+        {%- endif %}
+        {%- if message.tool_calls is defined and message.tool_calls is iterable and message.tool_calls | length > 0 %}
+            {%- for tool_call in message.tool_calls %}
+                {%- if tool_call.function is defined %}
+                    {%- set tool_call = tool_call.function %}
+                {%- endif %}
+                {{- '<tool_call>\n<function=' + tool_call.name + '>\n' }}
+                {%- if tool_call.arguments is defined %}
+                    {%- for args_name, args_value in tool_call.arguments|items %}
+                        {{- '<parameter=' + args_name + '>' }}
+                        {%- set args_value = args_value | tojson | safe if args_value is mapping or (args_value is sequence and args_value is not string) else args_value | string %}
+                        {{- args_value }}
+                        {{- '</parameter>\n' }}
+                    {%- endfor %}
+                {%- endif %}
+                {{- '</function>\n</tool_call>' }}
+            {%- endfor %}
+        {%- endif %}
+        {%- if loop.last %}
+            {%- set ns.assistant_is_last = true %}
+        {%- else %}
+            {{- '<|im_end|>\n' }}
+        {%- endif %}
+    {%- elif message.role == "user" %}
+        {{- '<|im_start|>' + message.role + '\n' + render_content(message.content) + '<|im_end|>\n' }}
+    {%- elif message.role == "system" %}
+        {{- '<|im_start|>' + message.role + '\n' + message.content + '<|im_end|>\n' }}
+    {%- elif message.role == "tool" %}
+        {%- if loop.previtem and loop.previtem.role != "tool" %}
+            {{- '<|im_start|>tool\n' }}
+        {%- endif %}
+        {{- '<tool_response>\n' }}
+        {{- render_content(message.content) }}
+        {{- '\n</tool_response>\n' }}
+        {%- if not loop.last and loop.nextitem.role != "tool" %}
+            {{- '<|im_end|>\n' }}
+        {%- elif loop.last %}
+            {{- '<|im_end|>\n' }}
+        {%- endif %}
+    {%- else %}
+        {{- '<|im_start|>' + message.role + '\n' + message.content + '<|im_end|>\n' }}
+    {%- endif %}
+{%- endfor %}
+{%- if add_generation_prompt and not ns.assistant_is_last %}
+    {{- '<|im_start|>assistant\n' }}
+    {%- if not enable_thinking -%}
+        {{- '<think>\n\n</think>\n' -}}
+    {%- endif -%}
+{%- endif %}

config.json

@@ -0,0 +1,118 @@
+{
+  "add_input_local_transformer": true,
+  "add_speech_sosp_eosp": false,
+  "architectures": [
+    "MiMoV2ASRForCausalLM"
+  ],
+  "attention_bias": true,
+  "attention_dropout": 0.0,
+  "audio_channels": 8,
+  "delay_pattern": "0-1-2-3-4-5-6-7",
+  "dtype": "bfloat16",
+  "empty_loss_weight": 0.01,
+  "group_size": 4,
+  "head_dim": 128,
+  "hidden_act": "silu",
+  "hidden_size": 4096,
+  "initializer_range": 0.02,
+  "input_full_attention": true,
+  "input_local_dim": 1024,
+  "input_local_layers": 6,
+  "intermediate_size": 11008,
+  "layer_types": [
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention"
+  ],
+  "local_attn_dropout": 0.1,
+  "local_attn_heads": 64,
+  "local_dim": 1024,
+  "local_ffn_dim": 4096,
+  "local_hidden_dropout": 0.1,
+  "local_layers": 16,
+  "local_rotary_base": 640000,
+  "max_position_embeddings": 8192,
+  "max_window_layers": 28,
+  "mlp_layers": 1,
+  "model_type": "qwen2",
+  "n_rvq": 20,
+  "no_speech_loss": false,
+  "no_text_loss": false,
+  "num_attention_heads": 32,
+  "num_hidden_layers": 36,
+  "num_key_value_heads": 8,
+  "rms_norm_eps": 1e-06,
+  "rope_scaling": null,
+  "rope_theta": 640000,
+  "sliding_window": null,
+  "speech_vocab_size": "1025-1025-129-129-129-129-129-129",
+  "speech_zeroemb_idx": "1024-1024-128-128-128-128-128-128",
+  "tie_word_embeddings": false,
+  "transformers_version": "4.57.1",
+  "use_cache": true,
+  "use_sliding_window": false,
+  "vocab_size": 151680,
+  "audio_config": {
+    "tokenizer_version": "v1",
+    "speech_vocab_size": "1025-1025-129-129-129-129-129-129",
+    "speech_zeroemb_idx": "1024-1024-128-128-128-128-128-128",
+    "group_size": 4,
+    "audio_channels": 8,
+    "input_local_layers": 6,
+    "input_local_dim": 1024,
+    "input_full_attention": true,
+    "input_local_attn_heads": 64,
+    "input_local_head_dim": 16,
+    "input_local_intermediate_size": 4096,
+    "input_local_hidden_dropout": 0.1,
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+}

generation_config.json

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+  "temperature": 0.6,
+  "top_k": -1,
+  "top_p": 0.95
+}

mlx_manifest.json

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+  "model": "MiMo-V2.5-ASR",
+  "precision": "int4",
+  "weight_pattern": "model-*.safetensors",
+  "index_file": "model.safetensors.index.json",
+  "config_file": "config.json",
+  "audio_tokenizer_dir": "../MiMo-Audio-Tokenizer",
+  "source_model_dir": "../MiMo-V2.5-ASR-MLX-BF16-local"
+}

model.safetensors

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special_tokens_map.json

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tokenizer.json

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