LongCat-2.0
Summary
LongCat-2.0 is an open-weight language model from Meituan, released on 30 Jun 2026. It accepts text and generates text, with a 1M-token context window and up to 131K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.30 per million input tokens and $1.20 per million output tokens (OpenRouter), across 2 providers we track.
Meituan LongCat-2.0, a reasoning model with tool calling and a 1M-token context window
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Meituan |
|---|---|
| Release date | 30 Jun 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Open weights [Hugging Face] |
| License | mit [Hugging Face] |
| Parameters | 1.8T [Hugging Face] |
| Context window | 1M (1,049,000 tokens) [models.dev] |
| Max output | 131K tokens [models.dev] |
| Input | Text [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | Yes [models.dev] |
| Hugging Face | meituan-longcat/LongCat-2.0 [Hugging Face] |
LongCat-2.0 API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter meituan/longcat-2.0 | $0.30 | $1.20 | $0.006 | 1M | OpenRouter, 4 Oct 2026 |
| SiliconFlow meituan-longcat/LongCat-2.0 | $0.75 | $2.95 | $0.01 | 1M | models.dev, 4 Oct 2026 |
Frequently asked questions
What is the context window of LongCat-2.0?
LongCat-2.0 has a context window of 1,049,000 tokens (1M) and can generate up to 131,072 tokens in a single response, according to models.dev.
How much does the LongCat-2.0 API cost?
LongCat-2.0 is listed from $0.30 per million input tokens and $1.20 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.
Is LongCat-2.0 open source?
LongCat-2.0 is an open-weight model: its weights are published on Hugging Face as meituan-longcat/LongCat-2.0 under the mit license. Check the license terms before commercial use.
When was LongCat-2.0 released?
Meituan released LongCat-2.0 on 30 Jun 2026, according to models.dev.
Which providers offer LongCat-2.0?
We track LongCat-2.0 on 2 providers: OpenRouter, SiliconFlow.
Change history
No changes detected since we started tracking this model. We re-check every source daily.