OpenAI: GPT-5.6 Terra vs MiMo-V2-Omni
Compare OpenAI: GPT-5.6 Terra by OpenAI against MiMo-V2-Omni by Xiaomi, context windows of 1.1M vs 262K, tested across 53 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Terra
MiMo-V2-OmniRunner-up
No community votes yet. On paper, OpenAI: GPT-5.6 Terra has the edge — newer, bigger context window, major provider backing.
MiMo-V2-Omni is 7.5x 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
MiMo-V2-Omni
Input
$0.40
6.3× cheaper
Output
$2.00
7.5× cheaper
MiMo-V2-Omni is cheaper on both — 6.3× input, 7.5× output
Writing DNA
Style Comparison
Similarity
68%
MiMo-V2-Omni uses 25.7x more emoji
OpenAI: GPT-5.6 Terra
MiMo-V2-Omni
57%Vocabulary59%
18wSentence Length23w
0.85Hedging0.72
2.8Bold7.2
4.6Lists3.6
0.00Emoji0.26
1.12Headings1.25
0.06Transitions0.10
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
