Kimi K3.1 Pro

Chat Completions

kimi-k3.1-pro

MoonShotAI|Created Oct 27, 2026|1.0M context

Chat Completions

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 creation, financial research, and end-to-end agentic knowledge work, with native image and video understanding.

Overview Specifications Activity Performance Uptime Examples API Reference

Compare

Pricing-50%

Pay-as-you-go rates for this model. More details in the billing guide.

Input Tokens (1M)

$1.00

Cached Input Tokens (1M)

$0.10

Output Tokens (1M)

$5.00

Kimi K3.1 Pro

Input Tokens (1M)

Cached Input Tokens (1M)

Output Tokens (1M)

Kimi K3.1 Pro

Input Tokens (1M)

Cached Input Tokens (1M)

Output Tokens (1M)

Input Modalities

Output Modalities