# Kimi K2 Thinking

> Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning.

**ID**: `moonshotai/kimi-k2-thinking`  
**Creator**: Moonshot AI  
**Category**: text  
**Context**: 262K tokens  
**Pricing**: $0.34 / $1.44 per 1M · billed by your provider (BYOK)  
**Released**: 2025-11-06  
**Web page**: https://anyrouter.dev/model/moonshotai/kimi-k2-thinking

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

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

## 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": "moonshotai/kimi-k2-thinking",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| fluence-byok | $0.34/M (list) | $1.44/M (list) |
| aihubmix-byok | $0.34/M (list) | $1.44/M (list) |
| gmicloud-byok | $0.34/M (list) | $1.44/M (list) |
| helicone-byok | $0.34/M (list) | $1.44/M (list) |
| nano-gpt-byok | $0.34/M (list) | $1.44/M (list) |
| qiniu-byok | $0.34/M (list) | $1.44/M (list) |

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

## Source

- Upstream docs: https://openrouter.ai/moonshotai/kimi-k2-thinking