GPT-5.4 Nano vs Grok 3 Beta
Compare GPT-5.4 Nano by OpenAI against Grok 3 Beta by xAI, context windows of 400K vs 131K, tested across 53 shared challenges.
Our Verdict
GPT-5.4 Nano
Grok 3 Beta
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT-5.4 Nano is 3.2x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.4 Nano
Input
$0.20
10× cheaper
Output
$1.25
3.2× cheaper
Grok 3 Beta
Input
$2.00
Output
$4.00
GPT-5.4 Nano is cheaper on both — 10× input, 3.2× output
Writing DNA
Style Comparison
Similarity
55%
GPT-5.4 Nano
Grok 3 Beta
51%Vocabulary48%
21wSentence Length19w
0.58Hedging0.67
7.1Bold3.1
5.5Lists5.5
0.01Emoji0.00
1.39Headings0.52
0.05Transitions0.28
Based on 23 + 23 text responses
Research
What we learned reading every model
FAQ
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