Gemini 2.5 Pro (I/O Edition) vs GPT-4o (Omni)
Compare Gemini 2.5 Pro (I/O Edition) by Google AI against GPT-4o (Omni) by OpenAI, in 15 community votes, gemini 2.5 pro (i/o edition) wins 100% of head-to-head duels, tested across 41 shared challenges.
Web Design: Gemini 2.5 Pro (I/O Edition) wins 100% of votes
Image Generation: Gemini 2.5 Pro (I/O Edition) wins 100% of votes
Our Verdict
Gemini 2.5 Pro (I/O Edition)Winner
GPT-4o (Omni)Runner-up
Pick Gemini 2.5 Pro (I/O Edition). In 15 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 Web Design, Image Generation.
Clear winner
API pricing
Cost per 1M tokens
Gemini 2.5 Pro (I/O Edition)
Input
$1.25
2.0× cheaper
Output
$10.00
GPT-4o (Omni)
Input
$2.50
Output
$10.00
Writing DNA
Style Comparison
Similarity
49%
GPT-4o (Omni) uses 2.5x more emoji
Gemini 2.5 Pro (I/O Edition)
GPT-4o (Omni)
58%Vocabulary54%
16wSentence Length18w
0.38Hedging0.72
5.8Bold7.3
5.0Lists5.6
0.00Emoji0.03
0.63Headings1.40
0.01Transitions0.26
Based on 16 + 24 text responses
Research
What we learned reading every model
FAQ
