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Claude Opus 4.5 vs Kimi K2.7 Code

Kimi K2.7 Code leads in 3 of 8 categories

Arena ELO

Claude Opus 4.5

Cheaper

Kimi K2.7 Code

Faster

Claude Opus 4.5

Detailed Comparison

CategoryClaude Opus 4.5Kimi K2.7 Code
ProviderAnthropic Moonshot AI
Context Window200K 256K WIN
Input Price ($/1M)$5 $0.6 WIN
Output Price ($/1M)$25 $2.4 WIN
Arena ELO1380 WINN/A
Coding80.9% SWE-bench N/A
Reasoningunknown N/A
Speed (tokens/sec)~35 t/s WINN/A
Open SourceNo No

Frequently Asked Questions

Which is cheaper, Claude Opus 4.5 or Kimi K2.7 Code?

Kimi K2.7 Code is approximately 90% cheaper than Claude Opus 4.5 per million tokens.

Which is better for coding, Claude Opus 4.5 or Kimi K2.7 Code?

Claude Opus 4.5 scores 80.9% SWE-bench on coding benchmarks, while Kimi K2.7 Code scores N/A.

Which has a larger context window?

Claude Opus 4.5 supports 200K context, while Kimi K2.7 Code supports 256K.

Is Claude Opus 4.5 or Kimi K2.7 Code open source?

Claude Opus 4.5 is proprietary. Kimi K2.7 Code is proprietary.

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