OpenAI: GPT-5.6 Luna vs MiniMax M2.5
Compare OpenAI: GPT-5.6 Luna by OpenAI against MiniMax M2.5 by MiniMax, context windows of 1.1M vs 205K, tested across 53 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Luna
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 5.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
OpenAI: GPT-5.6 Luna
Input
$1.00
Output
$6.00
MiniMax M2.5
Input
$0.30
3.3× cheaper
Output
$1.20
5.0× cheaper
MiniMax M2.5 is cheaper on both — 3.3× input, 5.0× output
Writing DNA
Style Comparison
Similarity
68%
MiniMax M2.5 uses 1.5x more emoji
OpenAI: GPT-5.6 Luna
MiniMax M2.5
59%Vocabulary55%
19wSentence Length25w
0.84Hedging0.58
2.7Bold6.0
4.5Lists4.4
0.00Emoji0.01
1.20Headings1.11
0.10Transitions0.16
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
