Grok 4.20 Multi-Agent Beta vs OpenAI o3
Compare Grok 4.20 Multi-Agent Beta by xAI against OpenAI o3 by OpenAI, tested across 53 shared challenges.
Our Verdict
Grok 4.20 Multi-Agent Beta
OpenAI o3
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 6.7x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Grok 4.20 Multi-Agent Beta
Input
$2.00
5.0× cheaper
Output
$6.00
6.7× cheaper
OpenAI o3
Input
$10.00
Output
$40.00
Grok 4.20 Multi-Agent Beta is cheaper on both — 5.0× input, 6.7× output
Writing DNA
Style Comparison
Similarity
71%
OpenAI o3 uses 4.8x more transitions
Grok 4.20 Multi-Agent Beta
OpenAI o3
59%Vocabulary68%
16wSentence Length14w
0.41Hedging0.26
2.7Bold0.7
2.4Lists3.0
0.00Emoji0.00
0.26Headings0.38
0.02Transitions0.12
Based on 23 + 16 text responses
Research
What we learned reading every model
FAQ
