o1
Nothing here. The model returned empty. We stared at it for a while.
o1 vs OpenAI o3
Compare o1 and OpenAI o3, both from OpenAI, in 9 community votes, openai o3 wins 60% of head-to-head duels, tested across 54 shared challenges. Updated April 2026.
Which is better, o1 or OpenAI o3?
OpenAI o3 is the better choice overall, winning 60% of 9 blind community votes on Rival. o1 costs $15/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between o1 and OpenAI o3
o1 is made by openai while OpenAI o3 is from openai. On pricing, o1 costs $15/M input tokens vs $10/M for OpenAI o3. In community voting, In 9 community votes, OpenAI o3 wins 60% of head-to-head duels.
In 9 community votes, OpenAI o3 wins 60% of head-to-head duels. OpenAI o3 has the edge overall, but performance varies by task type. Based on blind community voting from the Rival open dataset of 9+ human preference judgments for this pair.
Image Generation: o1 and OpenAI o3 are tied
Web Design: o1 and OpenAI o3 are tied
Our Verdict
OpenAI o3Winner
o1Runner-up
Pick OpenAI o3. In 9 blind votes, OpenAI o3 wins 60% of the time. That's not luck.
Clear winner
Writing DNA
Style Comparison
Similarity
100%
o1 uses 7.2x more bold
o1
OpenAI o3
64%Vocabulary68%
16wSentence Length14w
0.76Hedging0.26
5.0Bold0.7
2.6Lists3.0
0.00Emoji0.00
0.44Headings0.38
0.40Transitions0.12
Based on 13 + 16 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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