OpenAI: GPT-5.6 Terra vs MiniMax M2.5
Compare OpenAI: GPT-5.6 Terra 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 Terra
MiniMax M2.5Runner-up
No community votes yet. On paper, OpenAI: GPT-5.6 Terra has the edge — newer, bigger context window, major provider backing.
MiniMax M2.5 is 13x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
OpenAI: GPT-5.6 Terra
Input
$2.50
Output
$15.00
MiniMax M2.5
Input
$0.30
8.3× cheaper
Output
$1.20
13× cheaper
MiniMax M2.5 is cheaper on both — 8.3× input, 13× output
Writing DNA
Style Comparison
Similarity
64%
MiniMax M2.5 uses 1.5x more emoji
OpenAI: GPT-5.6 Terra
MiniMax M2.5
57%Vocabulary55%
18wSentence Length25w
0.85Hedging0.58
2.8Bold6.0
4.6Lists4.4
0.00Emoji0.01
1.12Headings1.11
0.06Transitions0.16
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
