Claude Opus 4 vs Gemini 2.5 Pro Experimental

Compare Claude Opus 4 by Anthropic against Gemini 2.5 Pro Experimental by Google AI, in 117 community votes, claude opus 4 wins 54% of head-to-head duels, context windows of 200K vs 1.0M, tested across 28 shared challenges. Updated February 2026.

In 117 community votes, Claude Opus 4 wins 54% of head-to-head duels. Claude Opus 4 leads in Conversation. Based on blind community voting from the RIVAL open dataset of 117+ human preference judgments for this pair.

Web Design: Claude Opus 4 and Gemini 2.5 Pro Experimental are tied
Image Generation: Claude Opus 4 and Gemini 2.5 Pro Experimental are tied
Conversation: Claude Opus 4 wins 80% of votes
Analysis: Claude Opus 4 and Gemini 2.5 Pro Experimental are tied
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