GPT-5.3-Codex vs MiniMax: MiniMax M2.1
Compare GPT-5.3-Codex by OpenAI against MiniMax: MiniMax M2.1 by MiniMax, tested across 53 shared challenges.
Our Verdict
GPT-5.3-Codex
MiniMax: MiniMax M2.1Runner-up
No community votes yet. On paper, GPT-5.3-Codex has the edge — bigger model tier, newer, bigger context window, major provider backing.
Slight edge
API pricing
Cost per 1M tokens
GPT-5.3-Codex
Input
$1.75
Output
$14.00
MiniMax: MiniMax M2.1
Input
—
Output
—
Writing DNA
Style Comparison
Similarity
33%
GPT-5.3-Codex uses 7.5x more lists
GPT-5.3-Codex
MiniMax: MiniMax M2.1
65%Vocabulary48%
23wSentence Length20w
0.51Hedging0.56
6.5Bold3.1
6.2Lists0.8
0.16Emoji0.07
1.90Headings0.73
0.03Transitions0.12
Based on 23 + 24 text responses
Research
What we learned reading every model
FAQ
