GPT-5.5 vs MiniMax M2.7
Compare GPT-5.5 by OpenAI against MiniMax M2.7 by MiniMax, context windows of 1.1M vs 205K, tested across 53 shared challenges.
Our Verdict
GPT-5.5
MiniMax M2.7Runner-up
No community votes yet. On paper, GPT-5.5 has the edge — bigger model tier, newer, bigger context window, major provider backing.
MiniMax M2.7 is 25x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
GPT-5.5
Input
$5.00
Output
$30.00
MiniMax M2.7
Input
$0.30
17× cheaper
Output
$1.20
25× cheaper
MiniMax M2.7 is cheaper on both — 17× input, 25× output
Writing DNA
Style Comparison
Similarity
69%
MiniMax M2.7 uses 28.4x more emoji
GPT-5.5
MiniMax M2.7
58%Vocabulary56%
18wSentence Length26w
0.74Hedging0.50
2.9Bold6.8
5.1Lists3.5
0.00Emoji0.28
1.68Headings1.20
0.03Transitions0.11
Based on 26 + 23 text responses
Research
What we learned reading every model
FAQ
