Claude Opus 4 vs Grok 3 Beta
Compare Claude Opus 4 by Anthropic against Grok 3 Beta by xAI, in 2 community votes, grok 3 beta wins 100% of head-to-head duels, context windows of 200K vs 131K, tested across 53 shared challenges.
Our Verdict
Grok 3 BetaWinner
Claude Opus 4Runner-up
Pick Grok 3 Beta. In 2 blind votes, Grok 3 Beta wins 100% of the time. That's not luck.
Grok 3 Beta is 19x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Claude Opus 4
Input
$15.00
Output
$75.00
Grok 3 Beta
Input
$2.00
7.5× cheaper
Output
$4.00
19× cheaper
Grok 3 Beta is cheaper on both — 7.5× input, 19× output
Writing DNA
Style Comparison
Similarity
48%
Claude Opus 4 uses 11.2x more emoji
Claude Opus 4
Grok 3 Beta
64%Vocabulary48%
62wSentence Length19w
0.52Hedging0.67
4.4Bold3.1
9.1Lists5.5
0.11Emoji0.00
1.87Headings0.52
0.27Transitions0.28
Based on 16 + 23 text responses
Research
What we learned reading every model
FAQ
