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LongCat-2.0

Meituan
Model overview

LongCat-2.0

Meituan's current LongCat flagship with million-token context, tool use, API access, and open weights.

general LLMreasoningcodinglong contextagentchatcode generationsoftware engineering agentlocal inferenceenterprise access
External observationsCross-model riskCompareCompanyRankingsPublic signals
Model risk

Current observations

1current adverse observations
Negative / riskAPI / serviceMigration riskOfficial · Active

Six legacy LongCat Flash API entries were retired on May 29

Meituan's change log lists six legacy Chat, Thinking, and Omni model APIs as retired on May 29 and records LongCat-2.0 launching on June 30. Downloadable weights do not imply continuity for the retired APIs.

LongCat platform change logHigh confidenceObserved 2026-05-29Source checked 2026-07-15Current state verified 2026-07-15 Action

Pin LongCat-2.0 for new integrations and test model-ID, prompt, and tool-protocol migration explicitly.

Verify source
Representative version

LongCat-2.0

CompanyMeituan
Release2026-06-30
Release typeModel release
Parameters1,600B / 48B active
ArchitectureMixture-of-experts transformer with LongCat Sparse Attention
Context1,000,000
Input modalitiestext
Output modalitiestext / code / tool_call
Tool use / function callingConfirmed: Tool use, Function calling
Structured output / reasoningConfirmed: Reasoning
Vision / audio / videoNot disclosed
Open weights / LicenseWeights available / MIT
License sourcemeituan-longcat-2-0-checkpoint-2026-07-05 · 2026-07-15
Vendor APIAvailable
LongCat platform change logmeituan-longcat-2-0-current · 2026-06-30
OpenRouterNot separately listed on OpenRouter
PricingOfficial · 2026-06-30: $0.75 / $2.95
input / output, per 1M tokens
BenchmarkNo reliable public source
Public signals1 community discussion / 1 activity snapshot
Use caseslocal inference / coding and review / Long-context agents / research evaluation
Claim evidenceRelease eventLongCat platform change logLongCat-2.0 · 2026-06-30
Model specs / weightsLongCat-2.0 model cardLongCat-2.0 · LongCat-2.0
OpenRouter

Pricing / context / availability

OpenRouterNot separately listed on OpenRouter
OpenRouter listingNot separately listed in the current OpenRouter public list
Mapped versionLongCat-2.0
meituan-longcat-2-0-current
PricingOfficial · 2026-06-30: $0.75 / $2.95
input / output, per 1M tokens
Context1000000
Speed/LatencyNo reliable public source
Snapshot time2026-07-15T20:11:41.551Z
SourceView source
Public activity counters

Cumulative Hugging Face model-card downloads / likes / spaces

PlatformEntryDownloadsLikesSpacesTimeSource
huggingfacemeituan-longcat/LongCat-2.02,17419102026-07-15T20:11:41.551ZView source
Vertical comparison

Current available versions

VersionReleaseParametersContextInputOutputOpen weights / LicenseVendor APISource tier
LongCat-2.02026-06-301,600B / 48B active1,000,000texttext / code / tool_callNo open weights / license not applicableAvailableP0
LongCat-2.02026-07-051,600B / 48B active1,000,000texttext / code / tool_callWeights available / MITNot disclosedP0
Evidence gaps

Public display boundary

OpenRouter not separately verifiedNo reliable benchmark sourceNo linkable real reviewSpeed/latency not disclosed