Grok 3 Beta vs xAI: Grok 4
Compare Grok 3 Beta and xAI: Grok 4, both from xAI, context windows of 131K vs 256K, tested across 53 shared challenges.
Our Verdict
Grok 3 Beta
xAI: Grok 4
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Grok 3 Beta is 3.8x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Grok 3 Beta
Input
$2.00
1.5× cheaper
Output
$4.00
3.8× cheaper
xAI: Grok 4
Input
$3.00
Output
$15.00
Grok 3 Beta is cheaper on both — 1.5× input, 3.8× output
Writing DNA
Style Comparison
Similarity
71%
xAI: Grok 4 uses 7.0x more emoji
Grok 3 Beta
xAI: Grok 4
48%Vocabulary53%
19wSentence Length18w
0.67Hedging0.67
3.1Bold2.7
5.5Lists2.7
0.00Emoji0.07
0.52Headings0.86
0.28Transitions0.04
Based on 23 + 21 text responses
Research
What we learned reading every model
FAQ
Common questions
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