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LongCat 2.0

Meituan· released 20 Jul 2026

meituan/longcat-2.0
Input / 1M tokens
$0.3
Output / 1M tokens
$1.2
Context window1M tokens

Longest answer: 262K tokens

reads textopen weightstool callingreasoning
See it on openrouter.ai

About

LongCat 2.0 is a text-in, text-out language model from Meituan, released on 2026-07-20. It uses a sparse mixture-of-experts design with 48B active parameters out of 1.6T total. Its stated uses include coding, repository-level changes, long-horizon problem solving and agentic work. The model supports reasoning and tools, and its context window is 1,048,756 tokens, with a maximum output of 262,144 tokens. Meituan lists open weights, with the Hugging Face ID meituan-longcat/LongCat-2.0. The model ID is meituan/longcat-2.0. Input costs USD 0.3 per 1M tokens and output costs USD 1.2 per 1M tokens. For teams assessing integration, the key parameters are text-only input and output, tool support, open weights and the unusually large listed context window. Its official page is on OpenRouter.

Who it is for

LongCat 2.0 suits teams working on code, repository changes, extended problem-solving tasks or agentic workflows. It may fit builders seeking open weights, tool support and a large context window for text tasks.

What is good

  • Open weights are listed.
  • Supports tools and reasoning.
  • Context window is 1,048,756 tokens.
  • Maximum output is 262,144 tokens.
  • Listed for coding and repository-level changes.

What to know first

  • Inputs and outputs are text only.
  • Output costs USD 1.2 per 1M tokens.
  • Released on 2026-07-20.

Verdict

LongCat 2.0 combines open weights, tool support and a large context window with a focus on coding and agentic work. Check that its text-only inputs and listed token prices fit your stack and workload.

Details

Lab
Meituanopenrouter.ai · 3 Oct 2026
Context
1,049Kopenrouter.ai · 3 Oct 2026
Input price
$0.3 / 1Mopenrouter.ai · 3 Oct 2026
Output price
$1.2 / 1Mopenrouter.ai · 3 Oct 2026
Max output
262,144 tokensopenrouter.ai · 3 Oct 2026
Inputs
textopenrouter.ai · 3 Oct 2026
Open weights
Yesopenrouter.ai · 3 Oct 2026

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