Gemini 2.5 Pro (I/O Edition) vs Grok Code Fast 1
Compare Gemini 2.5 Pro (I/O Edition) by Google AI against Grok Code Fast 1 by xAI, in 5 community votes, grok code fast 1 wins 100% of head-to-head duels, tested across 41 shared challenges. Updated May 2026.
Which is better, Gemini 2.5 Pro (I/O Edition) or Grok Code Fast 1?
Grok Code Fast 1 is the better choice overall, winning 100% of 5 blind community votes on Rival. Gemini 2.5 Pro (I/O Edition) costs $1.25/M input tokens vs $0.2/M for Grok Code Fast 1. Compare their real outputs side by side below.
Key Differences Between Gemini 2.5 Pro (I/O Edition) and Grok Code Fast 1
Gemini 2.5 Pro (I/O Edition) is made by google while Grok Code Fast 1 is from xai. On pricing, Gemini 2.5 Pro (I/O Edition) costs $1.25/M input tokens vs $0.2/M for Grok Code Fast 1. In community voting, In 5 community votes, Grok Code Fast 1 wins 100% of head-to-head duels.
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.
Per 1M tokens
Grok Code Fast 1 is cheaper on both — 6.3× input, 6.7× output
Pick Grok Code Fast 1. In 5 blind votes, Grok Code Fast 1 wins 100% of the time. That's not luck.
Grok Code Fast 1 particularly excels in Web Design. Grok Code Fast 1 is 6.7x cheaper per token — worth considering if cost matters.
Style Comparison
Grok Code Fast 1 uses 6.0x more emoji
