AI Model Radar / AI模型雷达

LongCat-Flash-Chat

Model detail, capability tags, source, OpenRouter state, and public reputation.

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
Current version

LongCat-Flash-Chat

CompanyMeituan
Release2025-09-01
Context128000
Parameters560B
Input modalitiestext / code
Output modalitiestext / code
Tool use / Function callingNo reliable public source / No reliable public source
Structured output / ReasoningNo reliable public source / Yes
Vision / Audio / VideoNo reliable public source / No reliable public source / No reliable public source
Open weights / LicenseYes / Not applicable
OpenRouterNo reliable public source
Community reputation1 public signals
Versions