Claude 3.7 Sonnet vs Claude Sonnet 4.5
Compare Claude 3.7 Sonnet and Claude Sonnet 4.5, both from Anthropic, in 21 community votes, claude sonnet 4.5 wins 80% of head-to-head duels, context windows of 200K vs 200K, tested across 43 shared challenges.
Web Design: Claude Sonnet 4.5 wins 70% of votes
Image Generation: Claude Sonnet 4.5 wins 88% of votes
Reasoning: Claude Sonnet 4.5 wins 100% of votes
Our Verdict
Claude Sonnet 4.5Winner
Claude 3.7 SonnetRunner-up
Pick Claude Sonnet 4.5. In 21 blind votes, Claude Sonnet 4.5 wins 80% of the time. That's not luck.
Claude Sonnet 4.5 particularly excels in Reasoning, Image Generation, Web Design.
Clear winner
API pricing
Cost per 1M tokens
Claude 3.7 Sonnet
Input
$3.00
Output
$15.00
Claude Sonnet 4.5
Input
$3.00
Output
$15.00
Writing DNA
Style Comparison
Similarity
67%
Claude Sonnet 4.5 uses 45.2x more emoji
Claude 3.7 Sonnet
Claude Sonnet 4.5
62%Vocabulary64%
35wSentence Length94w
0.99Hedging0.48
1.2Bold4.9
4.3Lists8.0
0.00Emoji0.45
1.78Headings1.91
0.23Transitions0.07
Based on 13 + 20 text responses
Research
What we learned reading every model
FAQ
