Claude 3.7 Thinking Sonnet vs Gemini 2.5 Pro Experimental

Compare Claude 3.7 Thinking Sonnet by Anthropic against Gemini 2.5 Pro Experimental by Google AI, in 402 community votes, claude 3.7 thinking sonnet wins 55% of head-to-head duels, context windows of 200K vs 1.0M, tested across 42 shared challenges. Updated February 2026.

In 402 community votes, Claude 3.7 Thinking Sonnet wins 55% of head-to-head duels. Claude 3.7 Thinking Sonnet leads in Web Design, Image Generation, while Gemini 2.5 Pro Experimental leads in Reasoning, Conversation. Based on blind community voting from the RIVAL open dataset of 402+ human preference judgments for this pair.

Web Design: Claude 3.7 Thinking Sonnet wins 62% of votes
Image Generation: Claude 3.7 Thinking Sonnet wins 55% of votes
Reasoning: Gemini 2.5 Pro Experimental wins 68% of votes
Conversation: Gemini 2.5 Pro Experimental wins 67% of votes
Analysis: Claude 3.7 Thinking Sonnet and Gemini 2.5 Pro Experimental are tied
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