LFM2.5-VL-1.6B-MLX-8bit / tokenizer_config.json
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{
"additional_special_tokens": null,
"backend": "tokenizers",
"bos_token": "<|startoftext|>",
"clean_up_tokenization_spaces": true,
"eos_token": "<|im_end|>",
"extra_special_tokens": [],
"image_end_token": "<|image_end|>",
"image_start_token": "<|image_start|>",
"image_thumbnail": "<|img_thumbnail|>",
"image_token": "<image>",
"is_local": true,
"legacy": false,
"model_max_length": 1000000000000000019884624838656,
"model_specific_special_tokens": {
"image_end_token": "<|image_end|>",
"image_start_token": "<|image_start|>",
"image_thumbnail": "<|img_thumbnail|>",
"image_token": "<image>"
},
"pad_token": "<|pad|>",
"processor_class": "Lfm2VlProcessor",
"return_token_type_ids": false,
"sp_model_kwargs": {},
"spaces_between_special_tokens": false,
"tokenizer_class": "TokenizersBackend",
"use_default_system_prompt": false,
"use_fast": true,
"chat_template": "{{- bos_token -}}\n{%- set keep_past_thinking = keep_past_thinking | default(false) -%}\n{%- set ns = namespace(system_prompt=\"\") -%}\n{%- if messages[0][\"role\"] == \"system\" -%}\n {%- set ns.system_prompt = messages[0][\"content\"] -%}\n {%- set messages = messages[1:] -%}\n{%- endif -%}\n{%- if tools -%}\n {%- set ns.system_prompt = ns.system_prompt + (\"\\n\" if ns.system_prompt else \"\") + \"List of tools: [\" -%}\n {%- for tool in tools -%}\n {%- if tool is not string -%}\n {%- set tool = tool | tojson -%}\n {%- endif -%}\n {%- set ns.system_prompt = ns.system_prompt + tool -%}\n {%- if not loop.last -%}\n {%- set ns.system_prompt = ns.system_prompt + \", \" -%}\n {%- endif -%}\n {%- endfor -%}\n {%- set ns.system_prompt = ns.system_prompt + \"]\" -%}\n{%- endif -%}\n{%- if ns.system_prompt -%}\n {{- \"<|im_start|>system\\n\" + ns.system_prompt + \"<|im_end|>\\n\" -}}\n{%- endif -%}\n{%- set ns.last_assistant_index = -1 -%}\n{%- for message in messages -%}\n {%- if message[\"role\"] == \"assistant\" -%}\n {%- set ns.last_assistant_index = loop.index0 -%}\n {%- endif -%}\n{%- endfor -%}\n{%- for message in messages -%}\n {{- \"<|im_start|>\" + message[\"role\"] + \"\\n\" -}}\n {%- if message.get('tool_calls') %}\n {# \u2500\u2500\u2500\u2500\u2500 create a list to append tool calls to \u2500\u2500\u2500\u2500\u2500 #}\n {%- set tool_calls_ns = namespace(tool_calls=[])%}\n {%- for tool_call in message['tool_calls'] %}\n {%- set func_name = tool_call['function']['name'] %}\n {%- set func_args = tool_call['function']['arguments'] %}\n {# \u2500\u2500\u2500\u2500\u2500 create a list of func_arg strings to accumulate for each tool call \u2500\u2500\u2500\u2500\u2500 #}\n {%- set args_ns = namespace(arg_strings=[])%}\n {%- for arg_name, arg_value in func_args.items() %}\n {%- if arg_value is none %}\n {%- set formatted_arg_value = 'null' %}\n {%- elif arg_value is boolean %}\n {%- set formatted_arg_value = 'True' if arg_value else 'False' %}\n {%- elif arg_value is string %}\n {%- set formatted_arg_value = '\"' ~ arg_value ~ '\"' %}\n {%- elif arg_value is mapping or arg_value is iterable %}\n {%- set formatted_arg_value = arg_value | tojson %}\n {%- else %}\n {%- set formatted_arg_value = arg_value | string %}\n {%- endif %}\n {# \u2500\u2500\u2500\u2500\u2500 format each argument key,value pair \u2500\u2500\u2500\u2500\u2500 #}\n {%- set args_ns.arg_strings = args_ns.arg_strings + [arg_name ~ '=' ~ formatted_arg_value] %}\n {%- endfor %}\n {# \u2500\u2500\u2500\u2500\u2500 append each formatted tool call \u2500\u2500\u2500\u2500\u2500 #}\n {%- set tool_calls_ns.tool_calls = tool_calls_ns.tool_calls + [(func_name + '(' + (args_ns.arg_strings | join(\", \")) + ')' )]%}\n {%- endfor %}\n {# \u2500\u2500\u2500\u2500\u2500 format the final tool calls \u2500\u2500\u2500\u2500\u2500 #}\n {{-'<|tool_call_start|>[' + (tool_calls_ns.tool_calls | join(\", \")) + ']<|tool_call_end|>'}}\n {%- endif %}\n {%- set content = message[\"content\"] -%}\n {%- if content is not string -%}\n {%- set ns.content = \"\" -%}\n {%- for item in content -%}\n {%- if item[\"type\"] == \"image\" -%}\n {%- set ns.content = ns.content + \"<image>\" -%}\n {%- elif item[\"type\"] == \"text\" -%}\n {%- set ns.content = ns.content + item[\"text\"] -%}\n {%- else -%}\n {%- set ns.content = ns.content + item | tojson -%}\n {%- endif -%}\n {%- endfor -%}\n {%- set content = ns.content -%}\n {%- endif -%}\n {%- if message[\"role\"] == \"assistant\" and not keep_past_thinking and loop.index0 != ns.last_assistant_index -%}\n {%- if \"</think>\" in content -%}\n {%- set content = content.split(\"</think>\")[-1] | trim -%}\n {%- endif -%}\n {%- endif -%}\n {{- content + \"<|im_end|>\\n\" -}}\n{%- endfor -%}\n{%- if add_generation_prompt -%}\n {{- \"<|im_start|>assistant\\n\" -}}\n{%- endif -%}\n"
}
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