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Claude Opus 4.7 vs Kimi K2

Kimi K2 leads in 3 of 8 categories

Arena ELO

Claude Opus 4.7

Cheaper

Kimi K2

Faster

Kimi K2

Detailed Comparison

CategoryClaude Opus 4.7Kimi K2
ProviderAnthropic Moonshot
Context Window128K 128K
Input Price ($/1M)N/A $0.55 WIN
Output Price ($/1M)N/A $2.2 WIN
Arena ELO1567 WIN1380
CodingN/A 65.8% SWE-bench
ReasoningN/A 60.2% BrowseComp
Speed (tokens/sec)N/A ~50 t/s WIN
Open SourceNo Yes

Frequently Asked Questions

Which is better for coding, Claude Opus 4.7 or Kimi K2?

Claude Opus 4.7 scores N/A on coding benchmarks, while Kimi K2 scores 65.8% SWE-bench.

Which has a larger context window?

Claude Opus 4.7 supports 128K context, while Kimi K2 supports 128K.

Is Claude Opus 4.7 or Kimi K2 open source?

Claude Opus 4.7 is proprietary. Kimi K2 is open source.

Which ranks higher on the Chatbot Arena leaderboard?

Claude Opus 4.7 ranks higher with ELO 1567 vs 1380.

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