# 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. It is suited for coding, repository-level changes, long-horizon problem solving, and agentic workflows. It supports the OpenAI-compatible Chat Completions API with streaming, function calling, and structured output.

**ID**: `meituan/longcat-2.0`  
**Creator**: meituan  
**Category**: text  
**Context**: 1M tokens  
**Pricing**: $0.30 / $1.20 per 1M · billed by your provider (BYOK)  
**Released**: 2026-06-01  
**Web page**: https://anyrouter.dev/model/meituan/longcat-2.0

**Input modalities**: text  
**Output modalities**: text  

**Capabilities**: chat, reasoning, function-calling, structured-output, streaming

**Aliases**: `longcat/longcat-2.0`

## Usage

**Endpoint**: `POST https://anyrouter.dev/api/v1/chat/completions`

```bash
curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "meituan/longcat-2.0",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| commandcode-byok | $0.30/M (list) | $1.20/M (list) |
| longcat-byok | $0.30/M (list) | $1.20/M (list) |
| nousresearch-byok | $0.30/M (list) | $1.20/M (list) |
| nousresearch-byok | $0.30/M (list) | $1.20/M (list) |
| openrouter-byok | $0.30/M (list) | $1.20/M (list) |
| aihubmix-byok | $0.77/M (list) | $3.10/M (list) |
| siliconflow-byok | $0.75/M (list) | $2.95/M (list) |
| zenmux-byok | $0.75/M (list) | $2.95/M (list) |
| cline-byok | $0.30/M (list) | $1.20/M (list) |
| opencode-go-byok | $0.30/M (list) | $1.20/M (list) |

BYOK routes are billed by your own provider key — AnyRouter charges $0. Rates marked (list) are the provider's published list price.

## Benchmarks

- **GPQA Diamond**: 0.8
- **HLE**: 0.3
- **SciCode**: 0.4

## Source

- Upstream docs: https://longcat.chat/blog/longcat-2.0/