Claude 3.7 Thinking Sonnet vs o3 Mini
Compare Claude 3.7 Thinking Sonnet by Anthropic against o3 Mini by OpenAI, in 6 community votes, claude 3.7 thinking sonnet wins 75% of head-to-head duels, context windows of 200K vs 64K, tested across 54 shared challenges.
Image Generation: Claude 3.7 Thinking Sonnet wins 100% of votes
Our Verdict
Claude 3.7 Thinking SonnetWinner
o3 MiniRunner-up
Pick Claude 3.7 Thinking Sonnet. In 6 blind votes, Claude 3.7 Thinking Sonnet wins 75% of the time. That's not luck.
Claude 3.7 Thinking Sonnet particularly excels in Image Generation. o3 Mini is 6.8x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Claude 3.7 Thinking Sonnet
Input
$6.00
Output
$30.00
o3 Mini
Input
$1.10
5.5× cheaper
Output
$4.40
6.8× cheaper
o3 Mini is cheaper on both — 5.5× input, 6.8× output
Writing DNA
Style Comparison
Similarity
57%
Claude 3.7 Thinking Sonnet uses 3.9x more headings
Claude 3.7 Thinking Sonnet
o3 Mini
61%Vocabulary65%
49wSentence Length17w
0.64Hedging0.74
2.2Bold3.9
4.5Lists1.7
0.00Emoji0.00
1.81Headings0.47
0.21Transitions0.38
Based on 21 + 12 text responses
Research
What we learned reading every model
FAQ
