xAI: Grok 4
Nothing here. The model returned empty. We stared at it for a while.
xAI: Grok 4 vs o3 Mini
Compare xAI: Grok 4 by xAI against o3 Mini by OpenAI, context windows of 256K vs 64K, tested across 38 shared challenges. Updated April 2026.
Which is better, xAI: Grok 4 or o3 Mini?
xAI: Grok 4 and o3 Mini are both competitive models. xAI: Grok 4 costs $3/M input tokens vs $1.1/M for o3 Mini. Context windows: 256K vs 64K tokens. Compare their real outputs side by side below.
Key Differences Between xAI: Grok 4 and o3 Mini
xAI: Grok 4 is made by xai while o3 Mini is from openai. xAI: Grok 4 has a 256K token context window compared to o3 Mini's 64K. On pricing, xAI: Grok 4 costs $3/M input tokens vs $1.1/M for o3 Mini.
Our Verdict
xAI: Grok 4
o3 MiniRunner-up
No community votes yet. On paper, xAI: Grok 4 has the edge — bigger model tier, newer, bigger context window.
o3 Mini is 3.4x cheaper per token — worth considering if cost matters.
Slight edge
Writing DNA
Style Comparison
Similarity
96%
xAI: Grok 4 uses 7.0x more emoji
xAI: Grok 4
o3 Mini
53%Vocabulary65%
18wSentence Length17w
0.67Hedging0.74
2.7Bold3.9
2.7Lists1.7
0.07Emoji0.00
0.86Headings0.47
0.04Transitions0.38
Based on 21 + 12 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
FAQ