GPT-4o (Omni) vs GPT-5 Mini

Compare GPT-4o (Omni) and GPT-5 Mini, both from OpenAI, in 37 community votes, gpt-5 mini wins 63% of head-to-head duels, tested across 45 shared challenges. Updated February 2026.

In 37 community votes, GPT-5 Mini wins 63% of head-to-head duels. GPT-4o (Omni) leads in Conversation, while GPT-5 Mini leads in Reasoning, Image Generation. Based on blind community voting from the RIVAL open dataset of 37+ human preference judgments for this pair.

Web Design: GPT-4o (Omni) and GPT-5 Mini are tied
Reasoning: GPT-5 Mini wins 88% of votes
Conversation: GPT-4o (Omni) wins 67% of votes
Image Generation: GPT-5 Mini wins 80% of votes
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