xAI: Grok 4 vs Grok Code Fast 1
Compare xAI: Grok 4 and Grok Code Fast 1, both from xAI, in 21 community votes, xai: grok 4 wins 69% of head-to-head duels, context windows of 256K vs 256K, tested across 53 shared challenges. Updated May 2026.
Which is better, xAI: Grok 4 or Grok Code Fast 1?
xAI: Grok 4 is the better choice overall, winning 69% of 21 blind community votes on Rival. xAI: Grok 4 costs $3/M input tokens vs $0.2/M for Grok Code Fast 1. Context windows: 256K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between xAI: Grok 4 and Grok Code Fast 1
xAI: Grok 4 is made by xai while Grok Code Fast 1 is from xai. xAI: Grok 4 has a 256K token context window compared to Grok Code Fast 1's 256K. On pricing, xAI: Grok 4 costs $3/M input tokens vs $0.2/M for Grok Code Fast 1. In community voting, In 21 community votes, xAI: Grok 4 wins 69% of head-to-head duels.
In 21 community votes, xAI: Grok 4 wins 69% of head-to-head duels. xAI: Grok 4 leads in Web Design, Image Generation. Based on blind community voting from the Rival open dataset of 21+ human preference judgments for this pair.
Per 1M tokens
Grok Code Fast 1 is cheaper on both — 15× input, 10× output
Pick xAI: Grok 4. In 21 blind votes, xAI: Grok 4 wins 69% of the time. That's not luck.
xAI: Grok 4 particularly excels in Web Design, Image Generation. Grok Code Fast 1 is 10x cheaper per token — worth considering if cost matters.
Style Comparison
Grok Code Fast 1 uses 2.4x more transitions
