GPT-5.3-Codex vs MiniMax M1
Compare GPT-5.3-Codex by OpenAI against MiniMax M1 by MiniMax, context windows of 400K vs 1.0M, tested across 53 shared challenges.
Our Verdict
GPT-5.3-Codex
MiniMax M1
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
MiniMax M1 is 8.5x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.3-Codex
Input
$1.75
Output
$14.00
MiniMax M1
Input
$0.30
5.8× cheaper
Output
$1.65
8.5× cheaper
MiniMax M1 is cheaper on both — 5.8× input, 8.5× output
Writing DNA
Style Comparison
Similarity
79%
GPT-5.3-Codex uses 2.2x more headings
GPT-5.3-Codex
MiniMax M1
65%Vocabulary53%
23wSentence Length17w
0.51Hedging0.51
6.5Bold7.4
6.2Lists6.2
0.16Emoji0.10
1.90Headings0.86
0.03Transitions0.03
Based on 23 + 14 text responses
Research
What we learned reading every model
FAQ
