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 March 2026.

Which is better, Claude 3.7 Thinking Sonnet or Gemini 2.5 Pro Experimental?

Claude 3.7 Thinking Sonnet is the better choice overall, winning 55% of 402 blind community votes on Rival. Claude 3.7 Thinking Sonnet costs $6/M input tokens vs $1/M for Gemini 2.5 Pro Experimental. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between Claude 3.7 Thinking Sonnet and Gemini 2.5 Pro Experimental

Claude 3.7 Thinking Sonnet is made by anthropic while Gemini 2.5 Pro Experimental is from google. Claude 3.7 Thinking Sonnet has a 200K token context window compared to Gemini 2.5 Pro Experimental's 1000K. On pricing, Claude 3.7 Thinking Sonnet costs $6/M input tokens vs $1/M for Gemini 2.5 Pro Experimental. In community voting, In 402 community votes, Claude 3.7 Thinking Sonnet wins 55% of head-to-head duels.

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
Our Verdict
Claude 3.7 Thinking Sonnet
Claude 3.7 Thinking SonnetWinner
Gemini 2.5 Pro Experimental
Gemini 2.5 Pro ExperimentalRunner-up

Claude 3.7 Thinking Sonnet has the edge overall. In 402 blind votes, Claude 3.7 Thinking Sonnet wins 55% of the time.

Pick Claude 3.7 Thinking Sonnet for Web Design, Image Generation. Pick Gemini 2.5 Pro Experimental for Reasoning, Conversation. Gemini 2.5 Pro Experimental is 15x cheaper per token — worth considering if cost matters.

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