Claude Sonnet 4 vs GPT-5 Mini

Compare Claude Sonnet 4 by Anthropic against GPT-5 Mini by OpenAI, in 28 community votes, claude sonnet 4 wins 81% of head-to-head duels, tested across 31 shared challenges. Updated February 2026.

In 28 community votes, Claude Sonnet 4 wins 81% of head-to-head duels. Claude Sonnet 4 leads in Web Design, Image Generation, while GPT-5 Mini leads in Reasoning. Based on blind community voting from the RIVAL open dataset of 28+ human preference judgments for this pair.

Web Design: Claude Sonnet 4 wins 100% of votes
Image Generation: Claude Sonnet 4 wins 75% of votes
Reasoning: GPT-5 Mini wins 75% of votes
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