Grok 3 Beta vs Grok Code Fast 1
Compare Grok 3 Beta and Grok Code Fast 1, both from xAI, context windows of 131K vs 256K, tested across 54 shared challenges. Updated April 2026.
Which is better, Grok 3 Beta or Grok Code Fast 1?
Grok 3 Beta and Grok Code Fast 1 are both competitive models. Grok 3 Beta costs $2/M input tokens vs $0.2/M for Grok Code Fast 1. Context windows: 131K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between Grok 3 Beta and Grok Code Fast 1
Grok 3 Beta is made by xai while Grok Code Fast 1 is from xai. Grok 3 Beta has a 131K token context window compared to Grok Code Fast 1's 256K. On pricing, Grok 3 Beta costs $2/M input tokens vs $0.2/M for Grok Code Fast 1.
Per 1M tokens
Grok Code Fast 1 is cheaper on both — 10× input, 2.7× output
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Style Comparison
Grok Code Fast 1 uses 6.0x more emoji
