GPT-5 Nano vs Grok 3 Mini Beta

Compare GPT-5 Nano by OpenAI against Grok 3 Mini Beta by xAI, in 1 community votes, grok 3 mini beta wins 100% of head-to-head duels, tested across 8 shared challenges. Updated February 2026.

In 1 community votes, Grok 3 Mini Beta wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.