MODELS
by Moonshot AI
Moonshot AI flagship 2.8T-parameter model with a 1M-token context window, native visual understanding, reasoning, long-horizon coding, and knowledge-work capabilities.
Kimi K3 is Moonshot AI’s flagship model. Official Kimi API Platform sources list `kimi-k3` as Kimi’s most capable model, with 2.8T parameters, native visual understanding, and a 1M-token context window. Moonshot AI positions it for software engineering, knowledge work, deep reasoning, long-horizon coding, and agentic knowledge-work use cases. The official pricing page also documents API features including reasoning-effort support, automatic caching, tool calls, JSON mode, and structured output.
Use Kimi K3 when you need Moonshot AI’s most capable documented Kimi model for long-context tasks up to a 1M-token context window. Use it for software engineering long-horizon coding knowledge work or deep-reasoning workflows where the official Kimi model catalog and pricing page identify Kimi K3 as the flagship option. Use it when native visual understanding or API features such as tool calls JSON mode structured output automatic caching or reasoning-effort support are required.
Last updated Jul 31, 2026