Gemini 2.5 Pro Experimental vs o3 Mini

Compare Gemini 2.5 Pro Experimental by Google AI against o3 Mini by OpenAI, in 2 community votes, gemini 2.5 pro experimental wins 100% of head-to-head duels, context windows of 1.0M vs 64K, tested across 34 shared challenges. Updated February 2026.

In 2 community votes, Gemini 2.5 Pro Experimental wins 100% of head-to-head duels. Based on blind community voting from the RIVAL open dataset of 2+ human preference judgments for this pair.

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