ChatGPT-4o (March 2025) vs Gemini 2.5 Pro Preview 06-05

Compare ChatGPT-4o (March 2025) by OpenAI against Gemini 2.5 Pro Preview 06-05 by Google AI, in 8 community votes, gemini 2.5 pro preview 06-05 wins 100% of head-to-head duels, context windows of 128K vs 1.0M, tested across 24 shared challenges. Updated February 2026.

In 8 community votes, Gemini 2.5 Pro Preview 06-05 wins 100% of head-to-head duels. Gemini 2.5 Pro Preview 06-05 leads in Web Design, Image Generation. Based on blind community voting from the RIVAL open dataset of 8+ human preference judgments for this pair.

Web Design: Gemini 2.5 Pro Preview 06-05 wins 100% of votes
Image Generation: Gemini 2.5 Pro Preview 06-05 wins 100% of votes
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