xAI: Grok 4 Fast (free) vs MiniMax M3
Compare xAI: Grok 4 Fast (free) by xAI against MiniMax M3 by MiniMax, context windows of 2.0M vs 1.0M, tested across 33 shared challenges.
Our Verdict
xAI: Grok 4 Fast (free)
MiniMax M3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
xAI: Grok 4 Fast (free)
Input
$0.000
Output
$0.000
MiniMax M3
Input
$0.30
Output
$1.20
Writing DNA
Style Comparison
Similarity
42%
MiniMax M3 uses 115.0x more emoji
xAI: Grok 4 Fast (free)
MiniMax M3
65%Vocabulary55%
13wSentence Length24w
0.56Hedging0.52
1.4Bold5.2
2.5Lists3.0
0.00Emoji1.15
1.58Headings1.21
0.28Transitions0.02
Based on 14 + 27 text responses
Research
What we learned reading every model
FAQ
