Claude 3.7 Thinking Sonnet vs Claude Sonnet 4
Compare Claude 3.7 Thinking Sonnet and Claude Sonnet 4, both from Anthropic, in 42 community votes, claude 3.7 thinking sonnet and claude sonnet 4 are closely matched, context windows of 200K vs 200K, tested across 54 shared challenges.
Web Design: Claude 3.7 Thinking Sonnet wins 55% of votes
Image Generation: Claude Sonnet 4 wins 75% of votes
Our Verdict
Claude 3.7 Thinking Sonnet
Claude Sonnet 4
Too close to call. Pick based on your use case.
Pick Claude 3.7 Thinking Sonnet for Web Design. Pick Claude Sonnet 4 for Image Generation.
Too close to call
API pricing
Cost per 1M tokens
Claude 3.7 Thinking Sonnet
Input
$6.00
Output
$30.00
Claude Sonnet 4
Input
$3.00
2.0× cheaper
Output
$15.00
2.0× cheaper
Claude Sonnet 4 is cheaper on both — 2.0× input, 2.0× output
Writing DNA
Style Comparison
Similarity
81%
Claude Sonnet 4 uses 87.9x more emoji
Claude 3.7 Thinking Sonnet
Claude Sonnet 4
61%Vocabulary62%
49wSentence Length111w
0.64Hedging0.40
2.2Bold5.0
4.5Lists9.3
0.00Emoji0.88
1.81Headings2.16
0.21Transitions0.33
Based on 21 + 17 text responses
Research
What we learned reading every model
FAQ
