Kimi K2 Thinking

by Moonshot AI

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About

Kimi K2 Thinking, released by Moonshot AI on November 6, 2025, is a reasoning-focused variant of Kimi K2 with 1 trillion total parameters and 32 billion active parameters, featuring extended chain-of-thought processing for complex problem solving. It builds on K2's agentic coding strengths with additional capabilities for mathematical and scientific reasoning. Kimi K2 Thinking targets open-source deployments requiring deep, deliberate reasoning across coding and analytical domains.

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Pricing Range
Input (per 1M)$1.00 -$1.00
Output (per 1M)$4.00 -$4.00
Providers1
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Timeline
ReleasedNov 6, 2025
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License & Family
License
Modified MIT
Performance Overview
Performance metrics and category breakdown

Overall Performance

1 benchmarks
Average Score
43.8%
Best Score
43.8%
High Performers (80%+)
0

Performance Metrics

Max Context Window
264.2K

Top Categories

Coding
43.8%
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All Benchmark Results for Kimi K2 Thinking
Complete list of benchmark scores with detailed information
SWE-rebench
Coding
43.80
43.8%
Unverified