GPT-5.3 Chat vs MiniMax M2.5
Compare GPT-5.3 Chat by OpenAI against MiniMax M2.5 by MiniMax, context windows of 128K vs 205K, tested across 53 shared challenges.
Our Verdict
GPT-5.3 Chat
MiniMax M2.5
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
MiniMax M2.5 is 12x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.3 Chat
Input
$1.75
Output
$14.00
MiniMax M2.5
Input
$0.30
5.8× cheaper
Output
$1.20
12× cheaper
MiniMax M2.5 is cheaper on both — 5.8× input, 12× output
Writing DNA
Style Comparison
Similarity
66%
MiniMax M2.5 uses 1.5x more emoji
GPT-5.3 Chat
MiniMax M2.5
59%Vocabulary55%
26wSentence Length25w
0.84Hedging0.58
1.7Bold6.0
6.6Lists4.4
0.00Emoji0.01
0.00Headings1.11
0.25Transitions0.16
Based on 23 + 23 text responses
Research
What we learned reading every model
FAQ
