Grok 4.20 Beta vs MiniMax M3
Compare Grok 4.20 Beta by xAI against MiniMax M3 by MiniMax, context windows of 2.0M vs 1.0M, tested across 52 shared challenges.
Our Verdict
Grok 4.20 Beta
MiniMax M3Runner-up
No community votes yet. On paper, Grok 4.20 Beta has the edge — bigger model tier, bigger context window, major provider backing.
MiniMax M3 is 5.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Grok 4.20 Beta
Input
$2.00
Output
$6.00
MiniMax M3
Input
$0.30
6.7× cheaper
Output
$1.20
5.0× cheaper
MiniMax M3 is cheaper on both — 6.7× input, 5.0× output
Writing DNA
Style Comparison
Similarity
43%
MiniMax M3 uses 115.0x more emoji
Grok 4.20 Beta
MiniMax M3
57%Vocabulary55%
20wSentence Length24w
0.35Hedging0.52
4.2Bold5.2
3.7Lists3.0
0.00Emoji1.15
0.62Headings1.21
0.14Transitions0.02
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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