OpenAI o3 vs o3 Mini
Compare OpenAI o3 and o3 Mini, both from OpenAI, in 2 community votes, openai o3 and o3 mini are closely matched, tested across 54 shared challenges.
Web Design: OpenAI o3 and o3 Mini are tied
Our Verdict
OpenAI o3Winner
o3 MiniRunner-up
Votes are tied. OpenAI o3 is newer and likely incorporates more recent improvements.
o3 Mini is 9.1x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
OpenAI o3
Input
$10.00
Output
$40.00
o3 Mini
Input
$1.10
9.1× cheaper
Output
$4.40
9.1× cheaper
o3 Mini is cheaper on both — 9.1× input, 9.1× output
Writing DNA
Style Comparison
Similarity
56%
o3 Mini uses 5.6x more bold
OpenAI o3
o3 Mini
68%Vocabulary65%
14wSentence Length17w
0.26Hedging0.74
0.7Bold3.9
3.0Lists1.7
0.00Emoji0.00
0.38Headings0.47
0.12Transitions0.38
Based on 16 + 12 text responses
Research
What we learned reading every model
FAQ
Common questions
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