ChatGPT-4o (March 2025) vs Claude 3.7 Sonnet
Compare ChatGPT-4o (March 2025) by OpenAI against Claude 3.7 Sonnet by Anthropic, in 10 community votes, claude 3.7 sonnet wins 67% of head-to-head duels, context windows of 128K vs 200K, tested across 32 shared challenges.
Image Generation: Claude 3.7 Sonnet wins 100% of votes
Web Design: Claude 3.7 Sonnet wins 100% of votes
Our Verdict
Claude 3.7 SonnetWinner
ChatGPT-4o (March 2025)Runner-up
Pick Claude 3.7 Sonnet. In 10 blind votes, Claude 3.7 Sonnet wins 67% of the time. That's not luck.
Claude 3.7 Sonnet particularly excels in Image Generation, Web Design.
Clear winner
API pricing
Cost per 1M tokens
ChatGPT-4o (March 2025)
Input
$5.00
Output
$15.00
Claude 3.7 Sonnet
Input
$3.00
1.7× cheaper
Output
$15.00
Writing DNA
Style Comparison
Similarity
47%
ChatGPT-4o (March 2025) uses 94.5x more emoji
ChatGPT-4o (March 2025)
Claude 3.7 Sonnet
55%Vocabulary62%
24wSentence Length35w
0.52Hedging0.99
3.3Bold1.2
6.0Lists4.3
0.94Emoji0.00
0.63Headings1.78
0.05Transitions0.23
Based on 15 + 13 text responses
Research
What we learned reading every model
FAQ
