> ## Documentation Index
> Fetch the complete documentation index at: https://docs.unifically.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Kimi K3.1 Pro Highspeed

> Moonshot AI's Kimi K3.1 Pro Highspeed language model. See supported inputs, parameters, pricing, response fields, and API examples.

Kimi K3.1 Pro Highspeed is Moonshot AI's faster serving of Kimi K3.1 Pro: the same weights, 1M-token context window, and 131k default output, returned two to three times faster at a higher per-token rate. `reasoning_effort` takes `low`, `high`, or `max` (default `max`).

Try it in the browser: [Kimi K3.1 Pro Highspeed model overview](https://unifically.com/models/kimi-k3.1-pro-highspeed). The standard serving is `moonshotai/kimi-k3.1-pro`.

## Model

```
moonshotai/kimi-k3.1-pro-highspeed
```

| | |
| - | - |
| **Provider** | Moonshot AI |
| **Name** | Kimi K3.1 Pro Highspeed |

## Supported Endpoints

All three API formats are supported:

* [Chat Completions](https://docs.unifically.com/api-reference/v1-chat-completions.md) — `POST /v1/chat/completions`
* [Responses](https://docs.unifically.com/api-reference/v1-responses.md) — `POST /v1/responses`
* [Messages](https://docs.unifically.com/api-reference/v1-messages.md) — `POST /v1/messages`

## Example

```bash theme={null}
curl -X POST https://api.unifically.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "moonshotai/kimi-k3.1-pro-highspeed",
    "messages": [
      {"role": "user", "content": "Explain this stack trace and suggest the one-line fix."}
    ]
  }'
```

> [!NOTE]
>
> **Volume discounts** are available for almost all models. Reach out at [contact@unifically.com](mailto:contact@unifically.com) to discuss custom pricing.


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