xAI: Grok 4 vs o1
Compare xAI: Grok 4 by xAI against o1 by OpenAI, context windows of 256K vs 128K, tested across 53 shared challenges. Updated June 2026.
Which is better, xAI: Grok 4 or o1?
xAI: Grok 4 and o1 are both competitive models. xAI: Grok 4 costs $3/M input tokens vs $15/M for o1. Context windows: 256K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between xAI: Grok 4 and o1
xAI: Grok 4 is made by xai while o1 is from openai. xAI: Grok 4 has a 256K token context window compared to o1's 128K. On pricing, xAI: Grok 4 costs $3/M input tokens vs $15/M for o1.
Per 1M tokens
xAI: Grok 4 is cheaper on both — 5.0× input, 4.0× output
No community votes yet. On paper, xAI: Grok 4 has the edge — bigger model tier, newer, bigger context window.
xAI: Grok 4 is 4.0x cheaper per token — worth considering if cost matters.
Style Comparison
xAI: Grok 4 uses 7.0x more emoji
