Grok 3 Thinking vs o1
Compare Grok 3 Thinking by xAI against o1 by OpenAI, in 12 community votes, o1 wins 78% of head-to-head duels, context windows of 128K vs 128K, tested across 14 shared challenges. Updated April 2026.
Which is better, Grok 3 Thinking or o1?
o1 is the better choice overall, winning 78% of 12 blind community votes on Rival. Context windows: 128K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Grok 3 Thinking and o1
Grok 3 Thinking is made by xai while o1 is from openai. Grok 3 Thinking has a 128K token context window compared to o1's 128K. In community voting, In 12 community votes, o1 wins 78% of head-to-head duels.
In 12 community votes, o1 wins 78% of head-to-head duels. o1 leads in Web Design, Image Generation. Based on blind community voting from the Rival open dataset of 12+ human preference judgments for this pair.
Pick o1. In 12 blind votes, o1 wins 78% of the time. That's not luck.
o1 particularly excels in Image Generation, Web Design.
Style Comparison
o1 uses 1.6x more transitions
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price gap between models that write identically
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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.
