LongCat 2.0 via the Tokenator API
What the model is for
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 workflows.
Specification
| Full name | LongCat 2.0 |
| API ID | longcat-2.0 |
| Model vendor | Meituan |
| Type | Text model (chat / completions) |
| Context window | 1M tokens |
| Max output | 262.1K tokens |
| Image input | no |
| Tokenator usage multiplier | 1.4× |
| Input modalities | text |
| Aliases | cursor-longcat-2.0 |
| Supported API formats | /v1/chat/completions /v1/responses /v1/messages |
| Upstream providers | 1 |
| Current status | available |
| Data updated | 2026-08-04 |
Upstream providers
| Provider | Multiplier |
|---|---|
| AiPartners Ltd | 1.4× |
A request goes to the first available provider by priority; if it fails, Tokenator switches to the next one.
Example request
curl https://api.tokenator.top/v1/chat/completions \ -H "Authorization: Bearer sk-your-tokenator-key" \ -H "Content-Type: application/json" \ -d '{ "model": "longcat-2.0", "messages": [{"role": "user", "content": "Hello"}] }'
Compatible tools
The model can be used in any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code, OpenClaw.
See also
FAQ about LongCat 2.0
What is the API ID of LongCat 2.0?
longcat-2.0 — put this into the model field of your request.
What context window does LongCat 2.0 have?
1M tokens; max output is 262.1K tokens.
How many tokens will a request cost?
(input + output) × 1.4×. See the documentation for details.
Which tools support this model?
Any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code. Setup guides are in the integrations section.