Claude Sonnet 4 vs Gemini 2.5 Pro Experimental
Compare Claude Sonnet 4 by Anthropic against Gemini 2.5 Pro Experimental by Google AI, in 28 community votes, gemini 2.5 pro experimental wins 56% of head-to-head duels, context windows of 200K vs 1.0M, tested across 43 shared challenges.
Web Design: Gemini 2.5 Pro Experimental wins 67% of votes
Image Generation: Claude Sonnet 4 wins 70% of votes
Our Verdict
Gemini 2.5 Pro ExperimentalWinner
Claude Sonnet 4Runner-up
Gemini 2.5 Pro Experimental has the edge overall. In 28 blind votes, Gemini 2.5 Pro Experimental wins 56% of the time.
Pick Claude Sonnet 4 for Image Generation. Pick Gemini 2.5 Pro Experimental for Web Design. Gemini 2.5 Pro Experimental is 7.5x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Claude Sonnet 4
Input
$3.00
Output
$15.00
Gemini 2.5 Pro Experimental
Input
$1.00
3.0× cheaper
Output
$2.00
7.5× cheaper
Gemini 2.5 Pro Experimental is cheaper on both — 3.0× input, 7.5× output
Writing DNA
Style Comparison
Similarity
36%
Claude Sonnet 4 uses 87.9x more emoji
Claude Sonnet 4
Gemini 2.5 Pro Experimental
62%Vocabulary54%
111wSentence Length15w
0.40Hedging0.35
5.0Bold5.6
9.3Lists3.9
0.88Emoji0.00
2.16Headings0.39
0.33Transitions0.17
Based on 17 + 18 text responses
Research
What we learned reading every model
FAQ
