Moonshot AI
Moonshot AI

Kimi K3

Flagship multimodal reasoning LLM for long-horizon coding, knowledge work, and tool-rich agent workflows

Text to TextImage to Text
Available via OpenAI-compatible API

Kimi K3 Overview

Kimi K3 is Moonshot AI's flagship model for frontier reasoning, software engineering, and knowledge-intensive work. It combines a 1M-token context window with native visual understanding, configurable reasoning effort, structured outputs, tool calling, and strong long-horizon execution across large codebases and multi-step research workflows. It is well suited to demanding coding agents, deep research systems, document-heavy assistants, and other production applications that need sustained reasoning over very large contexts.

Token based
Input tokens / 1M$3
Output tokens / 1M$15
Cache Read / 1M$0.3

Commercial use

More models from Moonshot AI

Kimi K2.6 is Moonshot AI's latest flagship open model for coding, reasoning, multimodal understanding, and agentic execution. It is designed for long-horizon software tasks, reliable tool use, autonomous multi-step workflows, coordinated agent swarms, and visual understanding across image inputs in addition to text.