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๐ Hello, Kimi K2 Thinking!
The Open-Source Thinking Agent Model is here.
๐น SOTA on HLE (44.9%) and BrowseComp (60.2%)
๐น Executes up to 200 โ 300 sequential tool calls without human interference
๐น Excels in reasoning, agentic search, and coding
๐น 256K context window
Built as a thinking agent, K2 Thinking marks our latest efforts in test-time scaling โ scaling both thinking tokens and tool-calling turns.
K2 Thinking is now live on kimi.com in chat mode, with full agentic mode coming soon. It is also accessible via API.
๐ API is live: platform.moonshot.ai
๐ Tech blog: moonshotai.github.io/Kimi-K2โฆ
๐ Weights & code: huggingface.co/moonshotai
Nov 7, 2025 ยท 1:05 PM UTC

