GPT-5.4 Mini vs MiMo-V2.5-Pro
Compare GPT-5.4 Mini by OpenAI against MiMo-V2.5-Pro by Xiaomi, context windows of 400K vs 1.0M, tested across 52 shared challenges.
Our Verdict
MiMo-V2.5-Pro
GPT-5.4 MiniRunner-up
No community votes yet. On paper, MiMo-V2.5-Pro has the edge — bigger model tier, newer, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.4 Mini
Input
$0.75
1.3× cheaper
Output
$4.50
MiMo-V2.5-Pro
Input
$1.00
Output
$3.00
1.5× cheaper
GPT-5.4 Mini wins input (1.3× cheaper)·MiMo-V2.5-Pro wins output (1.5× cheaper)
Writing DNA
Style Comparison
Similarity
64%
MiMo-V2.5-Pro uses 62.5x more emoji
GPT-5.4 Mini
MiMo-V2.5-Pro
54%Vocabulary58%
20wSentence Length22w
0.72Hedging0.61
6.0Bold5.7
8.3Lists3.1
0.00Emoji0.63
2.11Headings1.40
0.04Transitions0.02
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
