GPT-5.1-Codex-Mini vs MiniMax M3
Compare GPT-5.1-Codex-Mini by OpenAI against MiniMax M3 by MiniMax, context windows of 400K vs 1.0M, tested across 53 shared challenges.
Our Verdict
GPT-5.1-Codex-Mini
MiniMax M3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
MiniMax M3 is 5.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.1-Codex-Mini
Input
$1.50
Output
$6.00
MiniMax M3
Input
$0.30
5.0× cheaper
Output
$1.20
5.0× cheaper
MiniMax M3 is cheaper on both — 5.0× input, 5.0× output
Writing DNA
Style Comparison
Similarity
42%
MiniMax M3 uses 115.0x more emoji
GPT-5.1-Codex-Mini
MiniMax M3
65%Vocabulary55%
20wSentence Length24w
0.56Hedging0.52
3.3Bold5.2
3.4Lists3.0
0.00Emoji1.15
0.08Headings1.21
0.05Transitions0.02
Based on 13 + 27 text responses
Research
What we learned reading every model
FAQ
