Claude 3 Sonnet vs Claude Opus 4.7
Compare Claude 3 Sonnet and Claude Opus 4.7, both from Anthropic, tested across 13 shared challenges.
Our Verdict
Claude Opus 4.7
Claude 3 SonnetRunner-up
No community votes yet. On paper, Claude Opus 4.7 has the edge — bigger model tier, newer, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
Claude 3 Sonnet
Input
$3.00
1.7× cheaper
Output
$15.00
1.7× cheaper
Claude Opus 4.7
Input
$5.00
Output
$25.00
Claude 3 Sonnet is cheaper on both — 1.7× input, 1.7× output
Writing DNA
Style Comparison
Similarity
33%
Claude Opus 4.7 uses 459.5x more bold
Claude 3 Sonnet
Claude Opus 4.7
48%Vocabulary64%
14wSentence Length20w
0.32Hedging0.51
0.0Bold4.6
3.6Lists3.8
0.00Emoji0.86
0.00Headings1.60
0.38Transitions0.03
Based on 4 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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