Claude Sonnet 4.5
Nothing here. The model returned empty. We stared at it for a while.
Claude Sonnet 4.5 vs Gemini 2.5 Pro Experimental
Compare Claude Sonnet 4.5 by Anthropic against Gemini 2.5 Pro Experimental by Google AI, in 11 community votes, gemini 2.5 pro experimental wins 67% of head-to-head duels, context windows of 200K vs 1.0M, tested across 36 shared challenges. Updated April 2026.
Which is better, Claude Sonnet 4.5 or Gemini 2.5 Pro Experimental?
Gemini 2.5 Pro Experimental is the better choice overall, winning 67% of 11 blind community votes on Rival. Claude Sonnet 4.5 costs $3/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 Sonnet 4.5 and Gemini 2.5 Pro Experimental
Claude Sonnet 4.5 is made by anthropic while Gemini 2.5 Pro Experimental is from google. Claude Sonnet 4.5 has a 200K token context window compared to Gemini 2.5 Pro Experimental's 1000K. On pricing, Claude Sonnet 4.5 costs $3/M input tokens vs $1/M for Gemini 2.5 Pro Experimental. In community voting, In 11 community votes, Gemini 2.5 Pro Experimental wins 67% of head-to-head duels.
In 11 community votes, Gemini 2.5 Pro Experimental wins 67% of head-to-head duels. Gemini 2.5 Pro Experimental leads in Web Design, Image Generation. Based on blind community voting from the Rival open dataset of 11+ human preference judgments for this pair.
Web Design: Gemini 2.5 Pro Experimental wins 67% of votes
Image Generation: Gemini 2.5 Pro Experimental wins 67% of votes
Reasoning: Claude Sonnet 4.5 and Gemini 2.5 Pro Experimental are tied
Our Verdict
Gemini 2.5 Pro ExperimentalWinner
Claude Sonnet 4.5Runner-up
Pick Gemini 2.5 Pro Experimental. In 11 blind votes, Gemini 2.5 Pro Experimental wins 67% of the time. That's not luck.
Gemini 2.5 Pro Experimental particularly excels in Web Design, Image Generation. Gemini 2.5 Pro Experimental is 7.5x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
88%
Claude Sonnet 4.5 uses 45.2x more emoji
Claude Sonnet 4.5
Gemini 2.5 Pro Experimental
64%Vocabulary54%
94wSentence Length15w
0.48Hedging0.35
4.9Bold5.6
8.0Lists3.9
0.45Emoji0.00
1.91Headings0.39
0.07Transitions0.17
Based on 20 + 18 text responses
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279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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