xAI: Grok 4
Nothing here. The model returned empty. We stared at it for a while.
xAI: Grok 4 vs OpenAI o4-mini
Compare xAI: Grok 4 by xAI against OpenAI o4-mini by OpenAI, tested across 31 shared challenges. Updated April 2026.
Which is better, xAI: Grok 4 or OpenAI o4-mini?
xAI: Grok 4 and OpenAI o4-mini are both competitive models. xAI: Grok 4 costs $3/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between xAI: Grok 4 and OpenAI o4-mini
xAI: Grok 4 is made by xai while OpenAI o4-mini is from openai. On pricing, xAI: Grok 4 costs $3/M input tokens vs $1.1/M for OpenAI o4-mini.
Our Verdict
xAI: Grok 4
OpenAI o4-miniRunner-up
No community votes yet. On paper, xAI: Grok 4 has the edge — bigger model tier, newer, bigger context window.
OpenAI o4-mini is 3.4x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
94%
xAI: Grok 4 uses 267.9x more bold
xAI: Grok 4
OpenAI o4-mini
53%Vocabulary73%
18wSentence Length15w
0.67Hedging0.18
2.7Bold0.0
2.7Lists2.1
0.07Emoji0.00
0.86Headings0.00
0.04Transitions0.02
Based on 21 + 10 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
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