Kimi K3.1 Pro

Kimi K3.1 Pro

Moonshot🇨🇳moonshotai/kimi-k3.1-pro

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.

Released
Oct 23, 2026
Input
TextImageVideo
Output
Text
Support
ReasoningTool callingStructured outputs

Best at

The categories where this model ranks highest.

No top-ranked categories found.

Performance

Median latency and throughput measured across recent requests.

Throughput77 tok/s
Latency3.08s