o3 Mini
Nothing here. The model returned empty. We stared at it for a while.
o3 Mini vs OpenAI o4-mini
Compare o3 Mini and OpenAI o4-mini, both from OpenAI, tested across 35 shared challenges. Updated April 2026.
Which is better, o3 Mini or OpenAI o4-mini?
o3 Mini and OpenAI o4-mini are both competitive models. o3 Mini costs $1.1/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between o3 Mini and OpenAI o4-mini
o3 Mini is made by openai while OpenAI o4-mini is from openai. On pricing, o3 Mini costs $1.1/M input tokens vs $1.1/M for OpenAI o4-mini.
Our Verdict
OpenAI o4-mini
o3 MiniRunner-up
No community votes yet. On paper, OpenAI o4-mini has the edge — bigger model tier, newer.
Too close to call
Writing DNA
Style Comparison
Similarity
100%
o3 Mini uses 390.2x more bold
o3 Mini
OpenAI o4-mini
65%Vocabulary73%
17wSentence Length15w
0.74Hedging0.18
3.9Bold0.0
1.7Lists2.1
0.00Emoji0.00
0.47Headings0.00
0.38Transitions0.02
Based on 12 + 10 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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