o1
Nothing here. The model returned empty. We stared at it for a while.
o1 vs OpenAI o4-mini
Compare o1 and OpenAI o4-mini, both from OpenAI, tested across 35 shared challenges. Updated April 2026.
Which is better, o1 or OpenAI o4-mini?
o1 and OpenAI o4-mini are both competitive models. o1 costs $15/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between o1 and OpenAI o4-mini
o1 is made by openai while OpenAI o4-mini is from openai. On pricing, o1 costs $15/M input tokens vs $1.1/M for OpenAI o4-mini.
Our Verdict
o1
OpenAI o4-mini
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
OpenAI o4-mini is 14x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
98%
o1 uses 503.7x more bold
o1
OpenAI o4-mini
64%Vocabulary73%
16wSentence Length15w
0.76Hedging0.18
5.0Bold0.0
2.6Lists2.1
0.00Emoji0.00
0.44Headings0.00
0.40Transitions0.02
Based on 13 + 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.
Free preview13 of 58 slides
FAQ