GPT-5 vs Grok 3 Beta
Compare GPT-5 by OpenAI against Grok 3 Beta by xAI, context windows of 400K vs 131K, tested across 52 shared challenges.
Our Verdict
GPT-5
Grok 3 BetaRunner-up
No community votes yet. On paper, GPT-5 has the edge — newer, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
GPT-5
Input
$1.25
1.6× cheaper
Output
$10.00
Grok 3 Beta
Input
$2.00
Output
$4.00
2.5× cheaper
GPT-5 wins input (1.6× cheaper)·Grok 3 Beta wins output (2.5× cheaper)
Writing DNA
Style Comparison
Similarity
42%
Grok 3 Beta uses 16.4x more bold
GPT-5
Grok 3 Beta
65%Vocabulary48%
13wSentence Length19w
0.20Hedging0.67
0.2Bold3.1
4.6Lists5.5
0.00Emoji0.00
0.16Headings0.52
0.03Transitions0.28
Based on 16 + 23 text responses
Research
What we learned reading every model
FAQ
Common questions
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