Claude Opus 4.1 vs Gemini 2.5 Pro Experimental

Compare Claude Opus 4.1 by Anthropic against Gemini 2.5 Pro Experimental by Google AI, in 17 community votes, claude opus 4.1 wins 56% of head-to-head duels, context windows of 200K vs 1.0M, tested across 23 shared challenges. Updated February 2026.

In 17 community votes, Claude Opus 4.1 wins 56% of head-to-head duels. Claude Opus 4.1 leads in Web Design, Conversation, while Gemini 2.5 Pro Experimental leads in Image Generation. Based on blind community voting from the RIVAL open dataset of 17+ human preference judgments for this pair.

Image Generation: Gemini 2.5 Pro Experimental wins 67% of votes
Web Design: Claude Opus 4.1 wins 80% of votes
Conversation: Claude Opus 4.1 wins 67% of votes
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