{"_id":"6839f5f732331eaf76cdafd7","id":"katanemo/Arch-Router-1.5B","private":false,"pipeline_tag":"text-generation","library_name":"transformers","tags":["transformers","safetensors","qwen2","text-generation","routing","preference","arxiv:2506.16655","llm","conversational","en","base_model:Qwen/Qwen2.5-1.5B-Instruct","base_model:finetune:Qwen/Qwen2.5-1.5B-Instruct","license:other","text-generation-inference","endpoints_compatible","region:us"],"downloads":999,"likes":277,"modelId":"katanemo/Arch-Router-1.5B","author":"katanemo","sha":"5b156890a91b1035a86f82faf1a651debf309009","lastModified":"2026-04-02T13:02:43.000Z","gated":false,"disabled":false,"widgetData":[{"text":"Hi, what can you help me with?"},{"text":"What is 84 * 3 / 2?"},{"text":"Tell me an interesting fact about the universe!"},{"text":"Explain quantum computing in simple terms."}],"model-index":null,"config":{"architectures":["Qwen2ForCausalLM"],"model_type":"qwen2","tokenizer_config":{"bos_token":null,"chat_template":"{%- if tools %}\n    {{- '<|im_start|>system\\n' }}\n    {%- if messages[0]['role'] == 'system' %}\n        {{- messages[0]['content'] }}\n    {%- else %}\n        {{- 'You are Qwen, created by Alibaba Cloud. You are a helpful assistant.' }}\n    {%- endif %}\n    {{- \"\\n\\n# Tools\\n\\nYou may call one or more functions to assist with the user query.\\n\\nYou are provided with function signatures within <tools></tools> XML tags:\\n<tools>\" }}\n    {%- for tool in tools %}\n        {{- \"\\n\" }}\n        {{- tool | tojson }}\n    {%- endfor %}\n    {{- \"\\n</tools>\\n\\nFor each function call, return a json object with function name and arguments within <tool_call></tool_call> XML tags:\\n<tool_call>\\n{\\\"name\\\": <function-name>, \\\"arguments\\\": <args-json-object>}\\n</tool_call><|im_end|>\\n\" }}\n{%- else %}\n    {%- if messages[0]['role'] == 'system' %}\n        {{- '<|im_start|>system\\n' + messages[0]['content'] + '<|im_end|>\\n' }}\n    {%- else %}\n        {{- '<|im_start|>system\\nYou are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>\\n' }}\n    {%- endif %}\n{%- endif %}\n{%- for message in messages %}\n    {%- if (message.role == \"user\") or (message.role == \"system\" and not loop.first) or (message.role == \"assistant\" and not message.tool_calls) %}\n        {{- '<|im_start|>' + message.role + '\\n' + message.content + '<|im_end|>' + '\\n' }}\n    {%- elif message.role == \"assistant\" %}\n        {{- '<|im_start|>' + message.role }}\n        {%- if message.content %}\n            {{- '\\n' + message.content }}\n        {%- endif %}\n        {%- for tool_call in message.tool_calls %}\n            {%- if tool_call.function is defined %}\n                {%- set tool_call = tool_call.function %}\n            {%- endif %}\n            {{- '\\n<tool_call>\\n{\"name\": \"' }}\n            {{- tool_call.name }}\n            {{- '\", \"arguments\": ' }}\n            {{- tool_call.arguments | tojson }}\n            {{- '}\\n</tool_call>' }}\n        {%- endfor %}\n        {{- '<|im_end|>\\n' }}\n    {%- elif message.role == \"tool\" %}\n        {%- if (loop.index0 == 0) or (messages[loop.index0 - 1].role != \"tool\") %}\n            {{- '<|im_start|>user' }}\n        {%- endif %}\n        {{- '\\n<tool_response>\\n' }}\n        {{- message.content }}\n        {{- '\\n</tool_response>' }}\n        {%- if loop.last or (messages[loop.index0 + 1].role != \"tool\") %}\n            {{- '<|im_end|>\\n' }}\n        {%- endif %}\n    {%- endif %}\n{%- endfor %}\n{%- if add_generation_prompt %}\n    {{- '<|im_start|>assistant\\n' }}\n{%- endif %}\n","eos_token":"<|im_end|>","pad_token":"<|endoftext|>","unk_token":null}},"cardData":{"base_model":["Qwen/Qwen2.5-1.5B-Instruct"],"language":["en"],"library_name":"transformers","license":"other","license_name":"katanemo-research","license_link":"https://huggingface.co/katanemo/Arch-Router-1.5B/blob/main/LICENSE","pipeline_tag":"text-generation","tags":["routing","preference","arxiv:2506.16655","llm"],"paper":"https://arxiv.org/abs/2506.16655"},"transformersInfo":{"auto_model":"AutoModelForCausalLM","pipeline_tag":"text-generation","processor":"AutoTokenizer"},"siblings":[{"rfilename":".gitattributes"},{"rfilename":"LICENSE"},{"rfilename":"README.md"},{"rfilename":"config.json"},{"rfilename":"generation_config.json"},{"rfilename":"merges.txt"},{"rfilename":"model.safetensors"},{"rfilename":"tokenizer.json"},{"rfilename":"tokenizer_config.json"},{"rfilename":"vocab.json"}],"spaces":["build-small-hackathon/multi-agent-lab","tejasashinde/archRouter_simulator","Huggingansuman/red_teaming_env","IsaiahJ04/katanemo-Arch-Router-1.5B","Lhane/katanemo-Arch-Router-1.5B-2","venjp/unit2_llamaindex","jaimegalanmartinez/f1_faq_engine","Shukinoy/wiz-demo-v2","Shukinoy/wiz-demo-live","Shukinoy/wiz-hf-inference-ui","Mika110587/du13","kingwar1/AGENT-GAIA","hiwa27/WALAM","gabrielaz25/generador-preguntas","osorin/gradio_vdp","sameer81/edusafe-env","Kolaps27/UI-layout-optimizer","skrigel/acc-alt-text","bhotta/career_conversation_usinglocalhubmodal","MarkProMaster229/arch_autoreg","prajvalitha/CODLE_AI","tommytracx/thoxroute"],"createdAt":"2025-05-30T18:16:23.000Z","safetensors":{"parameters":{"F16":1543714304},"total":1543714304},"inference":"warm","usedStorage":3098888704}