GPT-5.2 Chat vs MiMo-V2.5-Pro
Compare GPT-5.2 Chat by OpenAI against MiMo-V2.5-Pro by Xiaomi, context windows of 128K vs 1.0M, tested across 51 shared challenges.
Our Verdict
MiMo-V2.5-Pro
GPT-5.2 ChatRunner-up
No community votes yet. On paper, MiMo-V2.5-Pro has the edge — bigger model tier, newer, bigger context window.
MiMo-V2.5-Pro is 4.7x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.2 Chat
Input
$1.75
Output
$14.00
MiMo-V2.5-Pro
Input
$1.00
1.8× cheaper
Output
$3.00
4.7× cheaper
MiMo-V2.5-Pro is cheaper on both — 1.8× input, 4.7× output
Writing DNA
Style Comparison
Similarity
65%
GPT-5.2 Chat uses 11.1x more transitions
GPT-5.2 Chat
MiMo-V2.5-Pro
66%Vocabulary58%
16wSentence Length22w
0.41Hedging0.61
9.6Bold5.7
4.4Lists3.1
0.31Emoji0.63
1.20Headings1.40
0.27Transitions0.02
Based on 16 + 27 text responses
Research
What we learned reading every model
FAQ
