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LongCat-2.0

meituan/longcat-2.0

Meituan LongCat-2.0, a reasoning model with tool calling and a 1M-token context window

Source-linkedlongcatClosed weightsReleased 2026-06-30
Report data
Context window1M
Maximum output131.072K
Provider offers1
Knowledge cutoffUndisclosed
Capabilities

What this model supports

ReasoningYes
Tool callingYes
Structured outputNo
AttachmentsNo
Temperature controlYes
Open weightsNo
Creator
Meituan
Family
longcat
Modalities
Text
License
Not documented
Release date
2026-06-30
Model ID
meituan/longcat-2.0
Market availability

Provider pricing

Report price →
Providers offering LongCat-2.0
ProviderProvider model IDContextInput / 1MOutput / 1MCached / 1MFeaturesAll pricing
LongCatLongCat-2.01M$0.750$2.950$0.015R T ·
View
{
  "cache_read": 0.015,
  "input": 0.75,
  "output": 2.95
}
Evidence

Published benchmark results

BrowseComp vs top 8 models
GPT-5.6 Sol
90.4
GPT-5.5 Pro
90.1
GPT-5.4 Pro
89.3
GPT-5.6 Terra
87.5
Claude Sonnet 5
84.7
GPT-5.5
84.4
MiniMax-M3
83.5
LongCat-2.0
79.9
FORTE vs top 1 models
LongCat-2.0
73.2
GPQA Diamond vs top 8 models
Fugu Ultra
95.5
Fugu
95.5
GPT-5.6 Sol
94.6
GPT-5.4 Pro
94.4
Gemini 3.1 Pro Preview
94.3
Claude Opus 4.7
94.2
GPT-5.5
93.6
LongCat-2.0
88.9
IFEval vs top 1 models
LongCat-2.0
90.0
SWE-Bench Multilingual vs top 7 models
Ornith 1.0 397B
78.9
Claude Sonnet 5
78.3
Qwen3.7 Max
78.3
Grok 4.5
78.0
LongCat-2.0
77.3
Ornith 1.0 35B
69.3
Nemotron 3 Ultra 550B A55B
67.7
SWE-Bench Pro vs top 8 models
Claude Fable 5
80.3
Claude Opus 4.8
69.2
Grok 4.5
64.7
GPT-5.6 Sol
64.6
Claude Opus 4.7
64.3
GPT-5.6 Terra
63.4
Claude Sonnet 5
63.2
LongCat-2.0
59.5
Terminal-Bench vs top 8 models
GPT-5.6 Sol
88.8
Claude Fable 5
88.0
GPT-5.6 Terra
87.4
GPT-5.6 Luna
84.7
Grok 4.5
83.3
GPT-5.5
82.7
Muse Spark 1.1
80.0
LongCat-2.0
70.8