GPT-5 Mini vs OpenAI o4-mini

Compare GPT-5 Mini and OpenAI o4-mini, both from OpenAI, in 27 community votes, gpt-5 mini wins 59% of head-to-head duels, tested across 35 shared challenges. Updated February 2026.

In 27 community votes, GPT-5 Mini wins 59% of head-to-head duels. GPT-5 Mini leads in Reasoning, Image Generation, while OpenAI o4-mini leads in Web Design. Based on blind community voting from the RIVAL open dataset of 27+ human preference judgments for this pair.