Kimi K3.1 Pro

Moonshot AI · 1049K token context · multimodal

Pricing: $4.05 per 1M input tokens, $20.25 per 1M output tokens

Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window. It is built for long-horizon coding, 3D...

Pricing

$4.05 per 1M input tokens and $20.25 per 1M output tokens. Billing is per token: input tokens are charged at the input rate and output tokens at the output rate, from one llmka.dev balance.

Prices checked 2026-11-04

Context and limits

The context window is 1,048,576 tokens (1049K).

The maximum output is 943,718 tokens.

When to use Kimi K3.1 Pro

Kimi K3.1 Pro (model ID `kimi-k3.1-pro`) takes text, image, video input and returns text output.

Supported features in the catalog: function calling (tools), streamed responses over SSE, JSON-schema structured output.

Use Kimi K3.1 Pro for text generation and chat.

FAQ

How much does Kimi K3.1 Pro cost?

$4.05 per 1M input tokens and $20.25 per 1M output tokens. Billing is per token: input tokens are charged at the input rate and output tokens at the output rate, from one llmka.dev balance.

What is the context window and output limit of Kimi K3.1 Pro?

The context window is 1,048,576 tokens (1049K). The maximum output is 943,718 tokens.

How do I get access to Kimi K3.1 Pro?

Create an API key in the llmka.dev dashboard and send requests to model "kimi-k3.1-pro" at https://api.llmka.dev/v1. The endpoint is OpenAI-compatible. One key and one balance cover all models on the gateway.

Links

All models and prices · API documentation · Quick start

Available through the llmka.dev gateway: OpenAI- and Anthropic-compatible endpoints, one key, USDT top-up.