Claude 3.7 Thinking Sonnet vs Claude Opus 4
Compare Claude 3.7 Thinking Sonnet and Claude Opus 4, both from Anthropic, in 5 community votes, claude 3.7 thinking sonnet wins 75% of head-to-head duels, context windows of 200K vs 200K, tested across 53 shared challenges.
Web Design: Claude 3.7 Thinking Sonnet wins 100% of votes
Our Verdict
Claude 3.7 Thinking SonnetWinner
Claude Opus 4Runner-up
Pick Claude 3.7 Thinking Sonnet. In 5 blind votes, Claude 3.7 Thinking Sonnet wins 75% of the time. That's not luck.
Claude 3.7 Thinking Sonnet particularly excels in Web Design.
Clear winner
API pricing
Cost per 1M tokens
Claude 3.7 Thinking Sonnet
Input
$6.00
2.5× cheaper
Output
$30.00
2.5× cheaper
Claude Opus 4
Input
$15.00
Output
$75.00
Claude 3.7 Thinking Sonnet is cheaper on both — 2.5× input, 2.5× output
Writing DNA
Style Comparison
Similarity
56%
Claude Opus 4 uses 11.2x more emoji
Claude 3.7 Thinking Sonnet
Claude Opus 4
61%Vocabulary64%
49wSentence Length62w
0.64Hedging0.52
2.2Bold4.4
4.5Lists9.1
0.00Emoji0.11
1.81Headings1.87
0.21Transitions0.27
Based on 21 + 16 text responses
Research
What we learned reading every model
FAQ
