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Claude Opus 4.7 vs Grok 4.5

Claude Opus 4.7 leads in 1 of 8 categories

Arena ELO

Claude Opus 4.7

Cheaper

Tie

Faster

Tie

Detailed Comparison

CategoryClaude Opus 4.7Grok 4.5
ProviderAnthropic xAI
Context Window128K 128K
Input Price ($/1M)N/A N/A
Output Price ($/1M)N/A N/A
Arena ELO1567 WINN/A
CodingN/A N/A
ReasoningN/A N/A
Speed (tokens/sec)N/A N/A
Open SourceNo No

Frequently Asked Questions

Which has a larger context window?

Claude Opus 4.7 supports 128K context, while Grok 4.5 supports 128K.

Is Claude Opus 4.7 or Grok 4.5 open source?

Claude Opus 4.7 is proprietary. Grok 4.5 is proprietary.

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