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

# Kimi K3.1 Pro

> Kimi K3.1 Pro and Highspeed are available through APIYI's official API forwarding, with basic text, streaming, JSON, tool round-trip, and image-understanding tests passed. Input/output rates match official pricing; eligible top-ups with 20% bonus credit bring effective costs to about 83.3% of list price. Cache billing and one-hour retention remain unverified.

**2026/10/25 01:50 (UTC+8)** · New Model · Moonshot

🚀 **Kimi K3.1 Pro and Highspeed are now available through official API forwarding.**

`kimi-k3.1-pro` and `kimi-k3.1-pro-highspeed` passed basic text, streaming, JSON, tool round-trip, and image-understanding tests.

Standard input/output rates are \$2/\$10 and \$4/\$20 per million tokens, respectively, matching official pricing. Both models have a configured cache-read rate of \$0.20. Cache read/write billing and one-hour retention remain unverified in this test round; see the [integration overview](https://docs.apiyi.com/en/api-capabilities/kimi-k3-1/overview.md).

Eligible [top-up promotions](https://docs.apiyi.com/en/faq/recharge-promotions.md) add 20% bonus credit, bringing effective costs to about **83.3% of list price**. Rates may change with official pricing; the [Model Pricing](https://docs.apiyi.com/en/models/index.md) tab is authoritative.

***

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