OpenAI o3 vs OpenAI o4 Mini High

Compare OpenAI o3 and OpenAI o4 Mini High, both from OpenAI, in 28 community votes, openai o4 mini high wins 75% of head-to-head duels, tested across 37 shared challenges. Updated February 2026.

In 28 community votes, OpenAI o4 Mini High wins 75% of head-to-head duels. OpenAI o3 leads in Reasoning, while OpenAI o4 Mini High leads in Image Generation, Web Design, Conversation. Based on blind community voting from the RIVAL open dataset of 28+ human preference judgments for this pair.

Image Generation: OpenAI o4 Mini High wins 75% of votes
Web Design: OpenAI o4 Mini High wins 86% of votes
Reasoning: OpenAI o3 wins 67% of votes
Conversation: OpenAI o4 Mini High wins 100% of votes
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