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Tmax-27B-MLX-4bit

Text Generation
MLX
Safetensors
qwen3_5
conversational
4-bit precision
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Files changed (11) hide show
  1. .gitattributes +1 -0
  2. README.md +44 -0
  3. chat_template.jinja +154 -0
  4. config.json +133 -0
  5. generation_config.json +13 -0
  6. model-00001-of-00003.safetensors +3 -0
  7. model-00002-of-00003.safetensors +3 -0
  8. model-00003-of-00003.safetensors +3 -0
  9. model.safetensors.index.json +0 -0
  10. tokenizer.json +3 -0
  11. tokenizer_config.json +33 -0
.gitattributes CHANGED
@@ -33,3 +33,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
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  *.zip filter=lfs diff=lfs merge=lfs -text
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  *.zst filter=lfs diff=lfs merge=lfs -text
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  *tfevents* filter=lfs diff=lfs merge=lfs -text
 
 
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  *.zip filter=lfs diff=lfs merge=lfs -text
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  *.zst filter=lfs diff=lfs merge=lfs -text
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  *tfevents* filter=lfs diff=lfs merge=lfs -text
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+ tokenizer.json filter=lfs diff=lfs merge=lfs -text
README.md ADDED
@@ -0,0 +1,44 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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+ ---
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+ license: apache-2.0
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+ library_name: mlx
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+ base_model: allenai/tmax-27b
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+ tags:
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+ - mlx
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+ - qwen3_5
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+ - text-generation
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+ pipeline_tag: text-generation
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+ ---
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+
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+ # Tmax-27B MLX (4bit)
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+
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+ MLX-converted text-only weights of [`allenai/tmax-27b`](https://huggingface.co/allenai/tmax-27b).
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+
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+ The upstream base ships as a multimodal `Qwen3_5ForConditionalGeneration`
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+ config but contains zero vision tensors in its safetensors — i.e. it is
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+ already a text-only checkpoint with stub vision metadata. This release
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+ strips the residual `vision_config` / image-token entries so it loads
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+ cleanly via `mlx_lm` without a vision tower.
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+
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+ - **Source:** `allenai/tmax-27b`
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+ - **License:** Apache-2.0
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+ - **Variant:** `4bit`
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+ - **Quantized by:** raullenchai
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+ - **Tooling:** `mlx-lm 0.31.3` (the upstream `mlx_vlm 0.3.12` qwen3_5
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+ loader hard-requires vision-tower weights that this base does not ship,
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+ so the text-only `mlx_lm.convert` path is used instead)
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+ - **Chat template:** ships with the source repo (`chat_template.jinja`)
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+ - **Tool format:** `qwen3_xml`-compatible (`<tool_call>{json}</tool_call>`)
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+
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+ ## Usage
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+
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+ ```python
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+ from mlx_lm import load, generate
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+
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+ model, tokenizer = load("mlx-community/Tmax-27B-MLX-4bit")
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+ print(generate(model, tokenizer, prompt="Hello", max_tokens=32))
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+ ```
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+
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+ ## Notes
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+
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+ - This is a pure text-generation MLX release. No vision/image inputs.
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+ - For best chat behavior, use the chat template that ships with this repo.
chat_template.jinja ADDED
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+ {%- set image_count = namespace(value=0) %}
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+ {%- set video_count = namespace(value=0) %}
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+ {%- macro render_content(content, do_vision_count, is_system_content=false) %}
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+ {%- if content is string %}
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+ {{- content }}
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+ {%- elif content is iterable and content is not mapping %}
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+ {%- for item in content %}
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+ {%- if 'image' in item or 'image_url' in item or item.type == 'image' %}
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+ {%- if is_system_content %}
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+ {{- raise_exception('System message cannot contain images.') }}
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+ {%- endif %}
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+ {%- if do_vision_count %}
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+ {%- set image_count.value = image_count.value + 1 %}
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+ {%- endif %}
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+ {%- if add_vision_id %}
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+ {{- 'Picture ' ~ image_count.value ~ ': ' }}
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+ {%- endif %}
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+ {{- '<|vision_start|><|image_pad|><|vision_end|>' }}
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+ {%- elif 'video' in item or item.type == 'video' %}
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+ {%- if is_system_content %}
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+ {{- raise_exception('System message cannot contain videos.') }}
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+ {%- endif %}
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+ {%- if do_vision_count %}
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+ {%- set video_count.value = video_count.value + 1 %}
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+ {%- endif %}
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+ {%- if add_vision_id %}
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+ {{- 'Video ' ~ video_count.value ~ ': ' }}
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+ {%- endif %}
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+ {{- '<|vision_start|><|video_pad|><|vision_end|>' }}
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+ {%- elif 'text' in item %}
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+ {{- item.text }}
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+ {%- else %}
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+ {{- raise_exception('Unexpected item type in content.') }}
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+ {%- endif %}
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+ {%- endfor %}
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+ {%- elif content is none or content is undefined %}
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+ {{- '' }}
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+ {%- else %}
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+ {{- raise_exception('Unexpected content type.') }}
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+ {%- endmacro %}
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+ {%- if not messages %}
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+ {{- raise_exception('No messages provided.') }}
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+ {%- endif %}
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+ {%- if tools and tools is iterable and tools is not mapping %}
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+ {{- '<|im_start|>system\n' }}
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+ {{- "# Tools\n\nYou have access to the following functions:\n\n<tools>" }}
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+ {%- for tool in tools %}
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+ {{- "\n" }}
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+ {{- tool | tojson }}
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+ {%- endfor %}
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+ {{- "\n</tools>" }}
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+ {{- '\n\nIf you choose to call a function ONLY reply in the following format with NO suffix:\n\n<tool_call>\n<function=example_function_name>\n<parameter=example_parameter_1>\nvalue_1\n</parameter>\n<parameter=example_parameter_2>\nThis is the value for the second parameter\nthat can span\nmultiple lines\n</parameter>\n</function>\n</tool_call>\n\n<IMPORTANT>\nReminder:\n- Function calls MUST follow the specified format: an inner <function=...></function> block must be nested within <tool_call></tool_call> XML tags\n- Required parameters MUST be specified\n- You may provide optional reasoning for your function call in natural language BEFORE the function call, but NOT after\n- If there is no function call available, answer the question like normal with your current knowledge and do not tell the user about function calls\n</IMPORTANT>' }}
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+ {%- if messages[0].role == 'system' %}
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+ {%- set content = render_content(messages[0].content, false, true)|trim %}
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+ {%- if content %}
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+ {{- '\n\n' + content }}
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+ {%- endif %}
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+ {%- endif %}
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+ {{- '<|im_end|>\n' }}
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+ {%- else %}
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+ {%- if messages[0].role == 'system' %}
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+ {%- set content = render_content(messages[0].content, false, true)|trim %}
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+ {{- '<|im_start|>system\n' + content + '<|im_end|>\n' }}
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+ {%- endif %}
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+ {%- endif %}
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+ {%- set ns = namespace(multi_step_tool=true, last_query_index=messages|length - 1) %}
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+ {%- for message in messages[::-1] %}
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+ {%- set index = (messages|length - 1) - loop.index0 %}
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+ {%- if ns.multi_step_tool and message.role == "user" %}
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+ {%- set content = render_content(message.content, false)|trim %}
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+ {%- if not(content.startswith('<tool_response>') and content.endswith('</tool_response>')) %}
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+ {%- endif %}
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+ {%- endif %}
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+ {%- if ns.multi_step_tool %}
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+ {{- raise_exception('No user query found in messages.') }}
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+ {%- endif %}
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+ {%- for message in messages %}
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+ {%- set content = render_content(message.content, true)|trim %}
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+ {%- if message.role == "system" %}
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+ {%- if not loop.first %}
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+ {{- raise_exception('System message must be at the beginning.') }}
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+ {%- endif %}
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+ {%- elif message.role == "user" %}
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+ {{- '<|im_start|>' + message.role + '\n' + content + '<|im_end|>' + '\n' }}
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+ {%- elif message.role == "assistant" %}
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+ {%- set reasoning_content = '' %}
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+ {%- if message.reasoning_content is string %}
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+ {%- set reasoning_content = message.reasoning_content %}
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+ {%- else %}
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+ {%- if '</think>' in content %}
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+ {%- set reasoning_content = content.split('</think>')[0].rstrip('\n').split('<think>')[-1].lstrip('\n') %}
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+ {%- set content = content.split('</think>')[-1].lstrip('\n') %}
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+ {%- if loop.first %}
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+ {%- if content|trim %}
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+ {{- '\n\n<tool_call>\n<function=' + tool_call.name + '>\n' }}
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+ {%- else %}
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+ {{- '<tool_call>\n<function=' + tool_call.name + '>\n' }}
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+ {%- endif %}
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+ {%- else %}
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+ {%- endif %}
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+ {%- if tool_call.arguments is defined %}
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+ {%- for args_name, args_value in tool_call.arguments|items %}
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+ {{- '<parameter=' + args_name + '>\n' }}
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+ {%- set args_value = args_value | string if args_value is string else args_value | tojson | safe %}
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+ {{- args_value }}
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+ {{- '\n</parameter>\n' }}
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+ {%- endfor %}
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+ {%- endif %}
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+ {{- '</function>\n</tool_call>' }}
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+ {%- endfor %}
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+ {%- endif %}
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+ {{- '<|im_end|>\n' }}
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+ {%- elif message.role == "tool" %}
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+ {%- if loop.previtem and loop.previtem.role != "tool" %}
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+ {{- '<|im_start|>user' }}
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+ {%- endif %}
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+ {{- '\n<tool_response>\n' }}
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+ {{- content }}
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+ {{- '\n</tool_response>' }}
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+ {%- if not loop.last and loop.nextitem.role != "tool" %}
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+ {{- '<|im_end|>\n' }}
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+ {%- elif loop.last %}
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+ {{- '<|im_end|>\n' }}
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+ {%- endif %}
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+ {%- else %}
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+ {{- raise_exception('Unexpected message role.') }}
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+ {%- endif %}
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+ {%- endfor %}
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+ {%- if add_generation_prompt %}
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+ {{- '<|im_start|>assistant\n' }}
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+ {%- if enable_thinking is defined and enable_thinking is false %}
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+ {{- '<think>\n\n</think>\n\n' }}
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+ {%- else %}
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+ {{- '<think>\n' }}
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+ {%- endif %}
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+ {%- endif %}
config.json ADDED
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