Grok Code Fast 1 vs Gemini 2.5 Pro (I/O Edition)

Compare Grok Code Fast 1 by xAI against Gemini 2.5 Pro (I/O Edition) by Google AI, in 5 community votes, grok code fast 1 wins 100% of head-to-head duels, tested across 33 shared challenges. Updated February 2026.

In 5 community votes, Grok Code Fast 1 wins 100% of head-to-head duels. Grok Code Fast 1 leads in Web Design. Based on blind community voting from the RIVAL open dataset of 5+ human preference judgments for this pair.