GPT-5.5 vs MiniMax M3
Compare GPT-5.5 by OpenAI against MiniMax M3 by MiniMax, context windows of 1.1M vs 1.0M, tested across 53 shared challenges.
Our Verdict
GPT-5.5
MiniMax M3Runner-up
No community votes yet. On paper, GPT-5.5 has the edge — bigger model tier, major provider backing.
MiniMax M3 is 25x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.5
Input
$5.00
Output
$30.00
MiniMax M3
Input
$0.30
17× cheaper
Output
$1.20
25× cheaper
MiniMax M3 is cheaper on both — 17× input, 25× output
Writing DNA
Style Comparison
Similarity
64%
MiniMax M3 uses 115.0x more emoji
GPT-5.5
MiniMax M3
58%Vocabulary55%
18wSentence Length24w
0.74Hedging0.52
2.9Bold5.2
5.1Lists3.0
0.00Emoji1.15
1.68Headings1.21
0.03Transitions0.02
Based on 26 + 27 text responses
Research
What we learned reading every model
FAQ
