Model Comparison
Kimi K2.5 vs Claude Opus 4.7
Claude Opus 4.7 significantly outperforms across most benchmarks. Kimi K2.5 is 9.3x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
Kimi K2.5 outperforms in 0 benchmarks, while Claude Opus 4.7 is better at 8 benchmarks (BrowseComp, CharXiv-R, CyberGym, GPQA, Humanity's Last Exam, SWE-Bench Pro, SWE-Bench Verified, Terminal-Bench 2.0).
Claude Opus 4.7 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Kimi K2.5 ($0.60/1M tokens) is 8.3x cheaper than Claude Opus 4.7 ($5.00/1M tokens).
For output processing, Kimi K2.5 ($2.50/1M tokens) is 10.0x cheaper than Claude Opus 4.7 ($25.00/1M tokens).
In conclusion, Claude Opus 4.7 is more expensive than Kimi K2.5.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Opus 4.7 accepts 1,000,000 input tokens compared to Kimi K2.5's 262,100 tokens. Kimi K2.5 can generate longer responses up to 262,100 tokens, while Claude Opus 4.7 is limited to 128,000 tokens.
Input Capabilities
Supported data types and modalities
Both Kimi K2.5 and Claude Opus 4.7 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Kimi K2.5
Claude Opus 4.7
License
Usage and distribution terms
Kimi K2.5 is licensed under MIT, while Claude Opus 4.7 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 Opus 4.7 was released on 2026-04-16.
Claude Opus 4.7 is 3 months newer than Kimi K2.5.
Jan 27, 2026
2 months ago
Apr 16, 2026
0 days ago
2mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Kimi K2.5 is available from Fireworks. Claude Opus 4.7 is available from Anthropic.
Kimi K2.5
Claude Opus 4.7
Outputs Comparison
Key Takeaways
Kimi K2.5
View detailsMoonshot AI
Claude Opus 4.7
View detailsAnthropic
Detailed Comparison
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FAQ
Common questions about Kimi K2.5 vs Claude Opus 4.7