kimi-k3 · Moonshot AI
Kimi K3 is Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window and industry-leading intelligence.
Kimi K3 is Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window and industry-leading intelligence.
Kimi K3 has a 1,048,576 token context window.
On AIHubMix, Kimi K3 costs $2.84 per million input tokens and $14.2 per million output tokens. Cached input reads are billed at $0.284 per million tokens.
Kimi K3 accepts text, image and video input.
Kimi K3 supports thinking, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.
Kimi K3 is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to kimi-k3 — no other code changes needed.
Kimi K3 is developed by Moonshot AI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
Kimi K3 was released on July 16, 2026 by Moonshot AI.
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Use Kimi K3 via the AIHubMix unified API — one interface for every major LLM.