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LongCat Flash Chat by meituan-longcat

 »  All LLMs  »  meituan-longcat  »  LongCat Flash Chat   URL Share it on

  47529   
  Arxiv:2509.01322   Conversational   Custom code   Longcat-flash-chat   Region:us   Safetensors
Model Card on HF 🤗: https://huggingface.co/meituan-longcat/LongCat-Flash-Chat 

LongCat Flash Chat Benchmarks

LLME Score: 0.47878
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
LongCat Flash Chat (meituan-longcat/LongCat-Flash-Chat)
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LongCat Flash Chat Parameters and Internals

LLM NameLongCat Flash Chat
Repository 🤗https://huggingface.co/meituan-longcat/LongCat-Flash-Chat 
Model Size561.9b
Required VRAM0.1 GB
Updated2025-09-23
Maintainermeituan-longcat
Model Files  1.6 GB: 1-of-75   1.9 GB: 2-of-75   0.2 GB: 3-of-75   1.8 GB: 4-of-75   0.1 GB: 5-of-75   16.1 GB: 6-of-75   16.1 GB: 7-of-75   15.9 GB: 8-of-75   16.0 GB: 9-of-75   15.9 GB: 10-of-75   16.1 GB: 11-of-75   16.1 GB: 12-of-75   15.9 GB: 13-of-75   16.0 GB: 14-of-75   15.9 GB: 15-of-75   16.1 GB: 16-of-75   16.1 GB: 17-of-75   15.9 GB: 18-of-75   16.0 GB: 19-of-75   15.9 GB: 20-of-75   16.1 GB: 21-of-75   16.1 GB: 22-of-75   15.9 GB: 23-of-75   16.0 GB: 24-of-75   15.9 GB: 25-of-75   16.1 GB: 26-of-75   16.1 GB: 27-of-75   15.9 GB: 28-of-75   16.0 GB: 29-of-75   15.9 GB: 30-of-75   16.1 GB: 31-of-75   16.1 GB: 32-of-75   15.9 GB: 33-of-75   16.0 GB: 34-of-75   15.9 GB: 35-of-75   16.1 GB: 36-of-75   16.1 GB: 37-of-75   15.9 GB: 38-of-75   16.0 GB: 39-of-75   15.9 GB: 40-of-75   16.1 GB: 41-of-75   16.1 GB: 42-of-75   15.9 GB: 43-of-75
Model ArchitectureLongcatFlashForCausalLM
Licensemit
Context Length131072
Model Max Length131072
Vocabulary Size131072

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Original data from HuggingFace, OpenCompass and various public git repos.
Release v20241124
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