xAI: Grok 4.5 vs MiniMax M2.7
Compare xAI: Grok 4.5 by xAI against MiniMax M2.7 by MiniMax, context windows of 500K vs 205K, tested across 53 shared challenges.
Our Verdict
xAI: Grok 4.5
MiniMax M2.7Runner-up
No community votes yet. On paper, xAI: Grok 4.5 has the edge — newer, bigger context window, major provider backing.
MiniMax M2.7 is 5.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
xAI: Grok 4.5
Input
$2.00
Output
$6.00
MiniMax M2.7
Input
$0.30
6.7× cheaper
Output
$1.20
5.0× cheaper
MiniMax M2.7 is cheaper on both — 6.7× input, 5.0× output
Writing DNA
Style Comparison
Similarity
46%
MiniMax M2.7 uses 3.1x more emoji
xAI: Grok 4.5
MiniMax M2.7
61%Vocabulary56%
16wSentence Length26w
0.23Hedging0.50
2.5Bold6.8
2.4Lists3.5
0.09Emoji0.28
0.48Headings1.20
0.06Transitions0.11
Based on 27 + 23 text responses
Research
What we learned reading every model
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