GPT-5.1-Codex vs MiniMax M2
Compare GPT-5.1-Codex by OpenAI against MiniMax M2 by MiniMax, context windows of 400K vs 205K, tested across 35 shared challenges.
Our Verdict
GPT-5.1-Codex
MiniMax M2Runner-up
No community votes yet. On paper, GPT-5.1-Codex has the edge — bigger model tier, bigger context window, major provider backing.
Slight edge
API pricing
Cost per 1M tokens
GPT-5.1-Codex
Input
$1.25
Output
$10.00
MiniMax M2
Input
$0.000
Output
$0.000
Writing DNA
Style Comparison
Similarity
73%
MiniMax M2 uses 7.8x more emoji
GPT-5.1-Codex
MiniMax M2
70%Vocabulary59%
17wSentence Length14w
0.39Hedging0.48
3.4Bold4.1
3.5Lists3.6
0.00Emoji0.08
0.50Headings0.60
0.38Transitions0.17
Based on 14 + 11 text responses
Research
What we learned reading every model
FAQ
