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LongCat-2.0

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

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LongCat-2.0 FAQ

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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

Core specifications

Released
2026-06-30
Context window
1M
Max output
131K
Model parameters
1.8T
Weights
Open

Modalities

Input
Text
Output
Text

Identity

Version
longcat-2.0
License
MIT
Aliases
LongCat-2.0

Resources

Capabilities

ReasoningTemperatureTool call

Capabilities and fit

Model summary

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

Text
ReasoningTemperatureTool call
Output
Text
Capabilities
3
Catalog updated
2026-08-06T01:15:23.225Z
Status

Benchmark results

BenchmarkTypeScore / rankEvaluated
SWE-Bench ProCoding59.52026-06-30T00:00:00.000Z
SWE-Bench MultilingualCoding77.32026-06-30T00:00:00.000Z
Terminal-BenchCoding70.82026-06-30T00:00:00.000Z
GPQA DiamondReasoning88.92026-06-30T00:00:00.000Z
BrowseCompGeneral79.92026-06-30T00:00:00.000Z
IFEvalGeneral902026-06-30T00:00:00.000Z
FORTEGeneral73.22026-06-30T00:00:00.000Z

Provider coverage

ProviderInputOutputPricing
OpenRouter
Pricing unavailable
LongCat
Pricing unavailable
Kilo Gateway
Meituan: LongCat 2.0
Pricing unavailable
Meituan AI
LongCat-2.0
Pricing unavailable

FAQ