# Kimi K2.5 API — pricing & specs

Kimi K2.5 is a text model from Moonshot AI. On KeepRouter, Kimi K2.5 costs $0.6000 per 1M input tokens and $3.00 per 1M output tokens, billed pay-as-you-go with no monthly fee; actual request cost depends on measured usage. Call it through a compatible KeepRouter endpoint supported by its active route, with the model id `kimi-k2.5`.

| Spec | Value |
|---|---|
| Maker | Moonshot AI |
| Modality | Text |
| Input price | $0.6000 per 1M tokens |
| Output price | $3.00 per 1M tokens |
| Capabilities | Chat completions, Streaming where supported, Tool calling where supported |
| Endpoint | POST /v1/chat/completions or POST /v1/messages (compatible chat routes) |
| Model id | `kimi-k2.5` |

## Call it via the compatible chat endpoint

Use POST /v1/chat/completions or, on compatible chat routes, POST /v1/messages; streaming and tool support depend on the model's active route.

### cURL

```bash
curl https://keeprouter.com/v1/chat/completions \
  -H "Authorization: Bearer $KEEPROUTER_KEY" -H "Content-Type: application/json" \
  -d '{"model":"kimi-k2.5","messages":[{"role":"user","content":"Hello"}]}'
```

### Python

```python
from openai import OpenAI
client = OpenAI(base_url="https://keeprouter.com/v1", api_key="$KEEPROUTER_KEY")
r = client.chat.completions.create(model="kimi-k2.5", messages=[{"role":"user","content":"Hello"}])
```

### JavaScript

```js
import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://keeprouter.com/v1", apiKey: process.env.KEEPROUTER_KEY });
const r = await client.chat.completions.create({ model: "kimi-k2.5", messages: [{ role: "user", content: "Hello" }] });
```

## Guides

- [Call Kimi K2.5 with the OpenAI SDK](https://keeprouter.com/use-cases/openai-sdk.md)
- [Use Kimi K2.5 in Claude Code](https://keeprouter.com/use-cases/claude-code.md)

## Related models from Moonshot AI

- [Kimi K2.6](https://keeprouter.com/models/kimi-k2.6.md) — $0.6800 per 1M input tokens and $3.41 per 1M output tokens
- [Kimi K2.7 Code (High-Speed)](https://keeprouter.com/models/kimi-k2.7-code-highspeed.md) — $0.9500 per 1M input tokens and $8.00 per 1M output tokens
- [Kimi K3](https://keeprouter.com/models/kimi-k3.md) — $3.00 per 1M input tokens and $15.00 per 1M output tokens

## More

- [All models & pricing](https://keeprouter.com/models.md)
- [Quickstart](https://keeprouter.com/docs/quickstart.md)
- [Get an API key](https://keeprouter.com/login?returnTo=%2Fconsole%2Fkeys%3Fmodel%3Dfree)

_Prices as of 2026-07-17._