Kimi K2.5 vs Claude Sonnet 4.6 Comparison
Comparing Kimi K2.5 and Claude Sonnet 4.6 across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
Kimi K2.5 outperforms in 3 benchmarks (BrowseComp, Humanity's Last Exam, MMMU-Pro), while Claude Sonnet 4.6 is better at 3 benchmarks (GPQA, SWE-Bench Verified, Terminal-Bench 2.0).
Both models are evenly matched across the benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
Cost data unavailable.
Input Capabilities
Supported data types and modalities
Both Kimi K2.5 and Claude Sonnet 4.6 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Kimi K2.5
Claude Sonnet 4.6
License
Usage and distribution terms
Kimi K2.5 is licensed under MIT, while Claude Sonnet 4.6 uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Kimi K2.5 was released on 2026-01-27, while Claude Sonnet 4.6 was released on 2026-02-17.
Claude Sonnet 4.6 is 1 month newer than Kimi K2.5.
Jan 27, 2026
1 months ago
Feb 17, 2026
4 weeks ago
3w newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Key Takeaways
Kimi K2.5
View detailsMoonshot AI
Claude Sonnet 4.6
View detailsAnthropic
Detailed Comparison
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