LongCat-2.0-FP8

Model overview

The first-party FP8 open-weight LongCat-2.0 checkpoint for local coding, reasoning, and agent deployment.

general LLMreasoningcodinglong contextagentchatcode generationsoftware engineering agentlocal inferenceevaluation

Representative version

Company	Meituan
Release	2026-07-03
Release type	Model checkpoint release
Parameters	1,600B / 48B active
Architecture	Mixture-of-experts transformer with LongCat Sparse Attention and FP8 quantization
Context	1,000,000
Input modalities	text
Output modalities	text / code / tool_call
Tool use / function calling	Confirmed: Tool use, Function calling
Structured output / reasoning	Confirmed: Reasoning
Vision / audio / video	Not disclosed
Open weights / License	Weights available / MIT License sourcemeituan-longcat-2-0-fp8-current · 2026-07-15
Vendor API	Not disclosed API source pending verification
OpenRouter	Not separately listed on OpenRouter
Pricing	No reliable public source
Benchmark	No reliable public source
Public signals	1 activity snapshot
Use cases	Quantized local inference / coding and review / Long-context agents / research evaluation
Claim evidence	Release eventLongCat-2.0-FP8 initial checkpoint commitLongCat-2.0-FP8 · 2026-07-03 Model specs / weightsLongCat-2.0-FP8 model cardLongCat-2.0-FP8 · LongCat-2.0-FP8

OpenRouter

Pricing / context / availability

OpenRouter	Not separately listed on OpenRouter
OpenRouter listing	Not separately listed in the current OpenRouter public list
Mapped version	LongCat-2.0-FP8 meituan-longcat-2-0-fp8-current
Pricing	No reliable public source
Context	1000000
Speed/Latency	No reliable public source
Snapshot time	2026-07-15T20:11:41.551Z
Source	View source

Public activity counters

Platform	Entry	Downloads	Likes	Spaces	Time	Source
huggingface	meituan-longcat/LongCat-2.0-FP8	1,081	27	0	2026-07-15T20:11:41.551Z	View source

Evidence gaps

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