Model detail
LongCat-Flash-Chat
Meituan LongCat-Flash-Chat open MoE model with parameters from the official technical article; activated after Phase 3.6 source review.
general_llmcodingreasoningchatcode_generationlocal_inferenceresearch
AI Model Radar / AI模型雷达
LongCat-Flash-Chat
Model detail, capability tags, source, OpenRouter state, and public reputation.
Source
Meituan LongCat-Flash-Chat announcement
P0 · official · high
Current version
LongCat-Flash-Chat
CompanyMeituan
Release2025-09-01
Context128000
Parameters560B
| Input modalities | text / code |
|---|---|
| Output modalities | text / code |
| Tool use / Function calling | No reliable public source / No reliable public source |
| Structured output / Reasoning | No reliable public source / Yes |
| Vision / Audio / Video | No reliable public source / No reliable public source / No reliable public source |
| Open weights / License | Yes / Not applicable |
| OpenRouter | No reliable public source |
| Community reputation | 1 public signals |
Versions