Claude Opus 4.8 vs Grok 4.20 Multi-Agent Beta
Compare Claude Opus 4.8 by Anthropic against Grok 4.20 Multi-Agent Beta by xAI, context windows of 1.0M vs 2.0M, tested across 53 shared challenges.
Our Verdict
Claude Opus 4.8
Grok 4.20 Multi-Agent Beta
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Grok 4.20 Multi-Agent Beta is 4.2x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.8
Input
$5.00
Output
$25.00
Grok 4.20 Multi-Agent Beta
Input
$2.00
2.5× cheaper
Output
$6.00
4.2× cheaper
Grok 4.20 Multi-Agent Beta is cheaper on both — 2.5× input, 4.2× output
Writing DNA
Style Comparison
Similarity
36%
Claude Opus 4.8 uses 77.6x more emoji
Claude Opus 4.8
Grok 4.20 Multi-Agent Beta
60%Vocabulary59%
19wSentence Length16w
0.46Hedging0.41
4.7Bold2.7
3.2Lists2.4
0.78Emoji0.00
1.15Headings0.26
0.04Transitions0.02
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
