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LongCat 2.0

meituan/longcat-2.0
  • Meituan
  • Family · LongCat 2
  • Released 29 Jun 2026
  • Open weights
  • Text → Text
  • Tools
Not on OSMEXO yet
Spec & list price
Context1M
Max output256K
Input / 1M$0.30
Output / 1M$1.204× input
Scores · standing
Intelligence19.1#148/490
Coding45.3#78/196
Usage
Tokens / day845.1M▲ 2.9% 7d
Usage rank#199
Requests / day16.6K
Tool calls / req0.21
Per request · 30 days
Avg input25.0K1.7× median
Avg output719about median
Cache hit89%1.3× median
Reasoning share60%about median
Tool-call failures2.8%1.5× median

Consumption

1.3B2.7B4.0B3 Oct17 Oct1 Nov
Peak 3.5B 18 OctLow 457.5M 14 OctRank today #199

Benchmarks

bar = share of the top score · Benchmark data: Artificial Analysis
GPQA Diamond#149 of 445
78.0%
Long-context reasoning#167 of 393
65.0%
Coding index#78 of 196
45.3
Terminal-Bench 2.1#77 of 182
50.2%
Humanity's Last Exam#80 of 465
33.7%
SciCode#125 of 160
36.3%
Intelligence index#148 of 490
19.1
τ-Bench Banking#86 of 154
13.2%
Speed · median across providers, latest day
Output speed#232/33449 tok/s1.3× slower than median
First token#2351.61 s1.6× longer than median
First answer token#7628 sthinking included

#10 cheapest of 23 with a similar score

Value
Intelligence Index
1920212223$0.2$0.5$1LongCat 2.0
Blended price per 1M tokens (log)

Technical details

Tokenizer
Other
License
MIT
Parameters
1.8T
Moderation
none
Downloads · likes
2.8K · 284
Request parameters 15
  • tools
  • tool_choice
  • reasoning
  • include_reasoning
  • temperature
  • top_p
  • top_k
  • min_p
  • max_tokens
  • stop
+5 more
  • seed
  • frequency_penalty
  • logit_bias
  • presence_penalty
  • repetition_penalty

Interesting facts

  1. 2.5× the output room of similar models (262.1K against a 106.5K median).
  2. Weekdays average 1.1B tokens a day against 1.4B on weekends.

When to use

Best for

  • Very long document and codebase analysis
  • Science and technical question answering
  • Agentic coding with tool calling
  • Self-hosted deployments with open weights

Think twice for

  • Image input
  • Structured output guarantees
  • Low-latency simple chat

Alternatives

other vendors · similar capability

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