Meituan
Longcat Flash Chat
2025-09-09Proprietary Modelmit
LongCat-Flash-Chat is a large-scale Mixture-of-Experts (MoE) model with 560B total parameters, of which 18.6B–31.3B (≈27B on average) are dynamically activated per input. It introduces a shortcut-connected MoE design to reduce...
Knowledge Cutoff
2025-03-31
The date this AI finished learning. It may not know about things that happened after this date.
Input → Output Format
The types of content this AI can receive, and what it can produce in return.
Context Memory
131KIN131KOUT
The maximum amount of text the AI can read and process in a single request. A larger number means it can handle longer documents or conversations.
Cost/1M Words
$0.2IN$0.8OUT
The cost of using this AI directly in your own application. Shown in USD per 1 million units of text (tokens).
Calculate CostAI Performance Evaluation
Arena Overall Score
1444
±8As of 2026-04-07
Overall Rank
No.36
4,953 Votes
Arena by Ability
Hard Prompts
1464±11No.36
Expert Knowledge
1458±30No.42
Instruction Following
1414±16No.59
Conversation Memory
1426±20No.56
Creative
1390±21No.68
Coding
1511±17No.18
Math
1447±30No.30
Arena by Occupation
Creative Writing
1399±18No.64
Social Sciences
1471±21No.28
Media
1397±20No.51
Business
1449±20No.28
Healthcare
1443±34No.65
Legal
1452±30No.40
Software
1505±14No.14
Mathematics
1440±35No.45
Source:Arena Intelligence
Overall
AA Intelligence Index
24%↓14%
Reasoning & Math
GPQA Diamond
64%↓17%
HLE
6.0%↓11%
Coding
AA Coding Index
17%↓18%
TAU2
80%↑8%
TerminalBench
11%↓20%
SciCode
28%↓12%
Language & Instructions
IFBench
43%↓12%
AA-LCR
26%↓36%
Output Speed
Standard Mode
115tok/s↑35
First Output 4.42s
Source:Artificial Analysis