# LongCat 2.5 Preview

LongCat-2.5-Preview is Meituan’s multimodal reasoning model for coding and agentic workflows, with a 1M-token context window and support for text and image inputs. It combines image understanding, visual question answering, and content summarization with code generation, code understanding, and automated programming, and supports tool calling and optional thinking for complex tasks.

- **Model ID:** `meituan/longcat-2.5-preview`
- **Type:** chat
- **Providers:** meituan
- **Context window:** 1,048,576
- **Maximum output tokens:** 131,072
- **Pricing:** $0.3/1M input tokens, $1.2/1M output tokens
- **Canonical page:** https://vercel.com/ai-gateway/models/longcat-2.5-preview

## Supported parameters

Detailed capability metadata has not been reported for this model.

## Example

```ts
import { streamText } from 'ai'

const result = streamText({
  model: 'meituan/longcat-2.5-preview',
  prompt: 'Why is the sky blue?'
})
```

## Links

- [Model page](https://vercel.com/ai-gateway/models/longcat-2.5-preview)
- [AI Gateway documentation](https://vercel.com/docs/ai-gateway)
- [Provider model documentation](https://longcat.chat/platform/docs/api/model)
- [Provider pricing](https://longcat.chat/platform/docs/api-pay-as-you-go)