o1
Nothing here. The model returned empty. We stared at it for a while.
o1 vs OpenAI o4 Mini High
Compare o1 and OpenAI o4 Mini High, both from OpenAI, in 3 community votes, openai o4 mini high wins 67% of head-to-head duels, context windows of 128K vs 200K, tested across 38 shared challenges. Updated April 2026.
Which is better, o1 or OpenAI o4 Mini High?
OpenAI o4 Mini High is the better choice overall, winning 67% of 3 blind community votes on Rival. o1 costs $15/M input tokens vs $1.1/M for OpenAI o4 Mini High. Context windows: 128K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between o1 and OpenAI o4 Mini High
o1 is made by openai while OpenAI o4 Mini High is from openai. o1 has a 128K token context window compared to OpenAI o4 Mini High's 200K. On pricing, o1 costs $15/M input tokens vs $1.1/M for OpenAI o4 Mini High. In community voting, In 3 community votes, OpenAI o4 Mini High wins 67% of head-to-head duels.
In 3 community votes, OpenAI o4 Mini High wins 67% of head-to-head duels. OpenAI o4 Mini High has the edge overall, but performance varies by task type. Based on blind community voting from the Rival open dataset of 3+ human preference judgments for this pair.
Image Generation: o1 and OpenAI o4 Mini High are tied
Our Verdict
OpenAI o4 Mini HighWinner
o1Runner-up
Pick OpenAI o4 Mini High. In 3 blind votes, OpenAI o4 Mini High wins 67% of the time. That's not luck.
OpenAI o4 Mini High is 14x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
75%
o1 uses 503.7x more bold
o1
OpenAI o4 Mini High
64%Vocabulary70%
16wSentence Length18w
0.76Hedging0.33
5.0Bold0.0
2.6Lists1.3
0.00Emoji0.02
0.44Headings0.00
0.40Transitions0.04
Based on 13 + 14 text responses
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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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