Kimi K3 API Guide: Reasoning, Tool Calling, Structured Output, and Vision

Short summary

A practical API guide for Kimi K3 covering reasoning_effort settings, thinking history preservation, tool calling with dynamic loading, structured output, context caching, prefix completion, and vision input. The model supports 1M-token context, always-on thinking, and up to 128 tools across Chat Completions, Responses, and Claude-compatible APIs. Includes verified code examples for production integration.

• •Kimi K3 offers 1M-token context, always-on thinking, and 128-tool support
• •Guide covers reasoning, tool calling, structured output, vision, and caching behaviors
• •Includes verified code examples for Chat Completions and Claude-compatible APIs

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