Gemini 2.5 Pro (I/O Edition) vs OpenAI o4 Mini High
Compare Gemini 2.5 Pro (I/O Edition) by Google AI against OpenAI o4 Mini High by OpenAI, in 5 community votes, gemini 2.5 pro (i/o edition) wins 100% of head-to-head duels, tested across 41 shared challenges.
Image Generation: Gemini 2.5 Pro (I/O Edition) wins 100% of votes
Our Verdict
Gemini 2.5 Pro (I/O Edition)Winner
OpenAI o4 Mini HighRunner-up
Pick Gemini 2.5 Pro (I/O Edition). In 5 blind votes, Gemini 2.5 Pro (I/O Edition) wins 100% of the time. That's not luck.
Gemini 2.5 Pro (I/O Edition) particularly excels in Image Generation.
Clear winner
API pricing
Cost per 1M tokens
Gemini 2.5 Pro (I/O Edition)
Input
$1.25
Output
$10.00
OpenAI o4 Mini High
Input
$1.10
1.1× cheaper
Output
$4.40
2.3× cheaper
OpenAI o4 Mini High is cheaper on both — 1.1× input, 2.3× output
Writing DNA
Style Comparison
Similarity
54%
Gemini 2.5 Pro (I/O Edition) uses 578.2x more bold
Gemini 2.5 Pro (I/O Edition)
OpenAI o4 Mini High
58%Vocabulary70%
16wSentence Length18w
0.38Hedging0.33
5.8Bold0.0
5.0Lists1.3
0.00Emoji0.02
0.63Headings0.00
0.01Transitions0.04
Based on 16 + 14 text responses
Research
What we learned reading every model
FAQ
