LLM Reference

LongCat Models by Meituan

MeituanMITOpen source
1 model2026Up to 1m ctxFrom $0.75/1M input

Last refreshed 2026-07-07. Next refresh: weekly.

Details

ResearcherMeituan
LicenseMITOSI-approved
Commercial useCommercial use: permitted
Models1
Released2026
Max context1m

Capabilities

ReasoningAll models
JSON / Tool useAll models

About

LongCat is Meituan's large language model family. LongCat-2.0 is a large-scale MoE language model with 1.6T total parameters, roughly 48B activated parameters per token, native 1M context support, MIT-licensed weights on Hugging Face, and public API access through the LongCat API Platform.

Decision facts

Best fit
codingreasoningJSON / Tool use
Capability starting point
LongCat-2.0 with 1m context and reasoning and JSON / Tool use
Lowest tracked input
LongCat-2.0 · $0.75/1M · LongCat API Platform
Closest related family
Claude 3

Current Variants

Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.

1 in view

Use when the workload needs coding, 1m context, and reasoning.

2026-06coding1m contextreasoning

Release Timeline

1 release group
2026-06
1 current
LongCat-2.0
coding1m contextreasoning
Current

Specifications(1 models)

LongCat model specifications comparison
ModelReleasedContextParametersReasoningJSON / Tool use
LongCat-2.02026-061m1.6T total; ~48B activeYesYes

Available From(1 provider)

Pricing

LongCat model pricing by provider
ModelProviderInput / 1MOutput / 1MType
LongCat-2.0LongCat API Platform$0.75$2.95Serverless