o1
Nothing here. The model returned empty. We stared at it for a while.
o1 vs Grok 3
Compare o1 by OpenAI against Grok 3 by xAI, in 1 community votes, grok 3 wins 100% of head-to-head duels, context windows of 128K vs 128K, tested across 53 shared challenges. Updated April 2026.
Which is better, o1 or Grok 3?
Grok 3 is the better choice overall, winning 100% of 1 blind community votes on Rival. Context windows: 128K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between o1 and Grok 3
o1 is made by openai while Grok 3 is from xai. o1 has a 128K token context window compared to Grok 3's 128K. In community voting, In 1 community votes, Grok 3 wins 100% of head-to-head duels.
In 1 community votes, Grok 3 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.
Our Verdict
Grok 3Winner
o1Runner-up
Pick Grok 3. In 1 blind votes, Grok 3 wins 100% of the time. That's not luck.
Clear winner
Writing DNA
Style Comparison
Similarity
96%
Grok 3 uses 3.9x more emoji
o1
Grok 3
64%Vocabulary49%
16wSentence Length18w
0.76Hedging0.94
5.0Bold2.5
2.6Lists3.0
0.00Emoji0.04
0.44Headings0.65
0.40Transitions0.08
Based on 13 + 17 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
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