OpenAI o3
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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 35 shared challenges. Updated April 2026.
Which is better, OpenAI o3 or OpenAI o4-mini?
OpenAI o3 and OpenAI o4-mini are closely matched based on 2 community votes. OpenAI o3 costs $10/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between OpenAI o3 and OpenAI o4-mini
OpenAI o3 is made by openai while OpenAI o4-mini is from openai. On pricing, OpenAI o3 costs $10/M input tokens vs $1.1/M for OpenAI o4-mini. In community voting, In 2 community votes, OpenAI o3 and OpenAI o4-mini are closely matched.
In 2 community votes, OpenAI o3 and OpenAI o4-mini are closely matched. OpenAI o3 and OpenAI o4-mini perform similarly across challenge categories. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
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
Writing DNA
Style Comparison
Similarity
98%
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
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