GPT-5.2 Pro vs Grok 3 Beta
Compare GPT-5.2 Pro by OpenAI against Grok 3 Beta by xAI, context windows of 400K vs 131K, tested across 31 shared challenges.
Our Verdict
GPT-5.2 Pro
Grok 3 BetaRunner-up
No community votes yet. On paper, GPT-5.2 Pro has the edge — newer, bigger context window.
Grok 3 Beta is 42x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.2 Pro
Input
$21.00
Output
$168.00
Grok 3 Beta
Input
$2.00
11× cheaper
Output
$4.00
42× cheaper
Grok 3 Beta is cheaper on both — 11× input, 42× output
Writing DNA
Style Comparison
Similarity
38%
Grok 3 Beta uses 17.6x more transitions
GPT-5.2 Pro
Grok 3 Beta
62%Vocabulary48%
19wSentence Length19w
0.39Hedging0.67
8.6Bold3.1
3.8Lists5.5
0.00Emoji0.00
1.17Headings0.52
0.02Transitions0.28
Based on 10 + 23 text responses
Research
What we learned reading every model
FAQ
