Gemini 3.1 Pro Preview vs OpenAI o4-mini
Compare Gemini 3.1 Pro Preview by Google AI against OpenAI o4-mini by OpenAI, in 12 community votes, gemini 3.1 pro preview wins 100% of head-to-head duels, tested across 53 shared challenges.
Web Design: Gemini 3.1 Pro Preview wins 100% of votes
Image Generation: Gemini 3.1 Pro Preview wins 100% of votes
Our Verdict
Gemini 3.1 Pro PreviewWinner
OpenAI o4-miniRunner-up
Pick Gemini 3.1 Pro Preview. In 12 blind votes, Gemini 3.1 Pro Preview wins 100% of the time. That's not luck.
Gemini 3.1 Pro Preview particularly excels in Web Design, Image Generation.
Clear winner
API pricing
Cost per 1M tokens
Gemini 3.1 Pro Preview
Input
$2.00
Output
$12.00
OpenAI o4-mini
Input
$1.10
1.8× cheaper
Output
$4.40
2.7× cheaper
OpenAI o4-mini is cheaper on both — 1.8× input, 2.7× output
Writing DNA
Style Comparison
Similarity
52%
Gemini 3.1 Pro Preview uses 487.7x more bold
Gemini 3.1 Pro Preview
OpenAI o4-mini
54%Vocabulary73%
18wSentence Length15w
0.29Hedging0.18
4.9Bold0.0
3.3Lists2.1
0.00Emoji0.00
0.72Headings0.00
0.14Transitions0.02
Based on 23 + 10 text responses
Research
What we learned reading every model
FAQ
