Kimi K2.5
#2OSWorld
by Moonshot AI
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About
Kimi K2.5, released by Moonshot AI in January 2026, is a multimodal evolution of the K2 series — built through continual pretraining on a large mixed visual and text corpus to add native image understanding alongside K2's agentic and tool-use capabilities. It targets developers building multi-modal AI agents that need to reason over both visual and textual inputs within automated pipelines.
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Pricing Range
Input (per 1M)$1.50 -$1.50
Output (per 1M)$6.00 -$6.00
Providers1
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Timeline
ReleasedJan 27, 2026
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License & Family
License
MIT
Performance Overview
Performance metrics and category breakdown
Overall Performance
4 benchmarks
Average Score
50.6%
Best Score
76.8%
High Performers (80%+)
0Performance Metrics
Max Context Window
264.2KTop Categories
Agents
63.3%
Coding
57.4%
Reasoning
24.4%
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All Benchmark Results for Kimi K2.5
Complete list of benchmark scores with detailed information
| SWE Bench Verified | Coding | 76.80 | 76.8% | Unverified | |
| OSWorld | Agents | 63.30 | 63.3% | Unverified | |
| SWE-rebench | Coding | 37.90 | 37.9% | Unverified | |
| Humanity's Last Exam | Reasoning | 24.37 | 24.4% | Unverified |