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Meituan
Meituan

Longcat Flash Chat

Release Date 2025-09-09(Knowledge cutoff 2025-03-31)··131K IN · 131K OUTOpen Model(MIT)
Overall2.0Top 83%
AutomationNo data
Office1.5Top 89%Coding2.5Top 49%

LongCat Flash Chat is a large-scale Mixture-of-Experts model from Meituan with 560 billion total parameters, dynamically activating 18.6B to 31.3B (averaging ~27B) based on contextual demands. Its shortcut-connected MoE design achieves over 100 tokens per second during inference while supporting a 128K-token context window. The model delivers highly competitive performance in reasoning, coding, and instruction following, with exceptional strengths in agentic tasks and complex multi-step tool-use interactions.

  1. 01ImagesGenerated images
  2. 02CostCost · Usage · Speed
  3. 03User CompareUser Comparisons
  4. 04Expert EvalExpert Performance Evaluation
  5. 05OpinionPublic Opinion
  6. 06Related Info

API cost

$0.2IN$0.8OUT
Calculate Cost

Output Speed

Fastper 2,000 tokens
First Output4.4s
total23.2s
107tok/s
First Output 4.4stotal: 23.2s
SourceArtificial AnalysisLast updatedApr 12, 2026

Expert Performance Evaluation

Overall performance

MoreAll overall performance AI rankings
11.51437

About AA Intelligence IndexMore about AA Intelligence Index

Automation (agents)

MoreAll automation AI rankings
QCan it handle customer service by the rules?TAU2·Bottom 37%#51
79.5%

About TAU2More about TAU2

Documents and office work

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28.3%1433

About Long Context ReasoningMore about Long Context Reasoning

Research and fact-checking

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QWhich AI gives answers people prefer most, without false claims?Arena Text Factuality·Bottom 23%#71
1429

About Arena Text FactualityMore about Arena Text Factuality

Coding

MoreAll coding AI rankings
150110.6%16.528.4%1489

About Arena CodingMore about Arena Coding

Writing and chat

MoreAll writing and chat AI rankings
1392143243.1%139014161397

About Arena Writing, Literature & LanguageMore about Arena Writing, Literature & Language

Math and science

MoreAll math and science AI rankings
5.8%143563.6%14551440

About Humanity's Last ExamMore about Humanity's Last Exam

Specialized fields

138613901461146814601429

About Arena KoreanMore about Arena Korean

See each evaluation’s detail page for its source and last update·Data sources & removal requests

Related Info

Meituan
Public
Meituan
🇨🇳 Beijing2010$55.7B~100,000
LongCat 2.0