OpenAI o3 vs OpenAI o4-mini
Compare OpenAI o3 and OpenAI o4-mini, both from OpenAI, in 2 community votes, openai o3 and openai o4-mini are closely matched, tested across 54 shared challenges.
Image Generation: OpenAI o3 and OpenAI o4-mini are tied
Our Verdict
OpenAI o3
OpenAI o4-mini
Genuinely even. Both are strong choices.
OpenAI o4-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
OpenAI o4-mini
Input
$1.10
9.1× cheaper
Output
$4.40
9.1× cheaper
OpenAI o4-mini is cheaper on both — 9.1× input, 9.1× output
Writing DNA
Style Comparison
Similarity
70%
OpenAI o3 uses 69.5x more bold
OpenAI o3
OpenAI o4-mini
68%Vocabulary73%
14wSentence Length15w
0.26Hedging0.18
0.7Bold0.0
3.0Lists2.1
0.00Emoji0.00
0.38Headings0.00
0.12Transitions0.02
Based on 16 + 10 text responses
Research
What we learned reading every model
FAQ
