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...
moonshotai/kimi-k3.1-proKimi K3.1 Pro is an API model from Moonshot AI, released on Oct 23, 2026, with a context window of 1,048,576 tokens, pricing of $2 per million input tokens and $10 per million output tokens. It accepts image, text, video input and produces text output.
At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.03.
Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.
Kimi K3.1 Pro supports a context window of 1,048,576 tokens.
Kimi K3.1 Pro is listed at $2 per million input tokens and $10 per million output tokens on OpenRouter.
Kimi K3.1 Pro was published on Oct 23, 2026.
Kimi K3.1 Pro accepts image, text, video input and produces text output.