GPT-5 Mini
Nothing here. The model returned empty. We stared at it for a while.
GPT-5 Mini vs xAI: Grok 4
Compare GPT-5 Mini by OpenAI against xAI: Grok 4 by xAI, in 2 community votes, gpt-5 mini wins 100% of head-to-head duels, tested across 36 shared challenges. Updated April 2026.
Which is better, GPT-5 Mini or xAI: Grok 4?
GPT-5 Mini is the better choice overall, winning 100% of 2 blind community votes on Rival. GPT-5 Mini costs $0.25/M input tokens vs $3/M for xAI: Grok 4. Compare their real outputs side by side below.
Key Differences Between GPT-5 Mini and xAI: Grok 4
GPT-5 Mini is made by openai while xAI: Grok 4 is from xai. On pricing, GPT-5 Mini costs $0.25/M input tokens vs $3/M for xAI: Grok 4. In community voting, In 2 community votes, GPT-5 Mini wins 100% of head-to-head duels.
In 2 community votes, GPT-5 Mini wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Our Verdict
GPT-5 MiniWinner
xAI: Grok 4Runner-up
Pick GPT-5 Mini. In 2 blind votes, GPT-5 Mini wins 100% of the time. That's not luck.
GPT-5 Mini is 7.5x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
98%
xAI: Grok 4 uses 267.9x more bold
GPT-5 Mini
xAI: Grok 4
62%Vocabulary53%
21wSentence Length18w
0.16Hedging0.67
0.0Bold2.7
3.4Lists2.7
0.00Emoji0.07
0.00Headings0.86
0.05Transitions0.04
Based on 15 + 21 text responses
vs
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
Model Similarity Index
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
Devstral M / S
95.7%
Qwen3 Coder / Flash
95.6%
GPT-5.4 / Mini
93.3%
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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