LongCat 2.0

LongCat 2.0 is a sparse mixture-of-experts language model from Meituan, with 48B active parameters out of 1.6T total.

Model by Meituan

IndexedLicense unknown

Install

Pick your client. Read the repository before you give any tool access to your data.

{
  "model": "meituan/longcat-2.0",
  "baseURL": "https://openrouter.ai/api/v1"
}

OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.

Settings it needs

OPENROUTER_API_KEYrequiredsecret

Get the weekly diff

The weekly diff: one email a week with new agent tools, notable updates and grade changes, plus security alerts for tools you follow. Double opt-in, one-click unsubscribe.

About

LongCat 2.0 is a sparse mixture-of-experts language model from Meituan, with 48B active parameters out of 1.6T total. It is suited for coding, repository-level changes, long-horizon problem solving, and agentic...

Use cases: code-generation

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Price and limits

Variant	Input $/M tokens	Output $/M tokens	Cached input $/M
Standard	$0.3	$1.2	$0.006

Price as of Oct 26, 2026 from OpenRouter. Prices change often; check before you rely on one.

Provider: Meituan
Model id: meituan/longcat-2.0
Context window: 1,048,756 tokens (1M)
Max output: 262,144 tokens
Input: text
Output: text
Tool calling: Yes
Structured outputs: Not listed
Reasoning: Yes
Weights: Open: meituan-longcat/LongCat-2.0
Released: Jul 20, 2026

Details

Auth: API key
License: License unknown
Docs: openrouter.ai/meituan/longcat-2.0/api
First seen: Oct 24, 2026
Last checked: Oct 26, 2026
Source: OpenRouter

Cite this page

LongCat 2.0: price, context window, tool use. Agent Mart. https://agentmart.dev/models/meituan-longcat-2-0 (last updated 2026-10-26)