GPT-4o mini vs o1

Compare GPT-4o mini and o1, both from OpenAI, in 1 community votes, o1 wins 100% of head-to-head duels, context windows of 128K vs 128K, tested across 35 shared challenges. Updated February 2026.

In 1 community votes, o1 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.

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