ChatGPT-4o (March 2025) vs Gemini 2.5 Pro Preview 06-05
Compare ChatGPT-4o (March 2025) by OpenAI against Gemini 2.5 Pro Preview 06-05 by Google AI, in 8 community votes, gemini 2.5 pro preview 06-05 wins 100% of head-to-head duels, context windows of 128K vs 1.0M, tested across 30 shared challenges.
Web Design: Gemini 2.5 Pro Preview 06-05 wins 100% of votes
Image Generation: Gemini 2.5 Pro Preview 06-05 wins 100% of votes
Our Verdict
Gemini 2.5 Pro Preview 06-05Winner
ChatGPT-4o (March 2025)Runner-up
Pick Gemini 2.5 Pro Preview 06-05. In 8 blind votes, Gemini 2.5 Pro Preview 06-05 wins 100% of the time. That's not luck.
Gemini 2.5 Pro Preview 06-05 particularly excels in Web Design, Image Generation.
Clear winner
API pricing
Cost per 1M tokens
ChatGPT-4o (March 2025)
Input
$5.00
Output
$15.00
Gemini 2.5 Pro Preview 06-05
Input
$1.25
4.0× cheaper
Output
$10.00
1.5× cheaper
Gemini 2.5 Pro Preview 06-05 is cheaper on both — 4.0× input, 1.5× output
Writing DNA
Style Comparison
Similarity
52%
ChatGPT-4o (March 2025) uses 94.5x more emoji
ChatGPT-4o (March 2025)
Gemini 2.5 Pro Preview 06-05
55%Vocabulary51%
24wSentence Length15w
0.52Hedging0.31
3.3Bold4.8
6.0Lists4.1
0.94Emoji0.00
0.63Headings0.98
0.05Transitions0.05
Based on 15 + 20 text responses
Research
What we learned reading every model
FAQ
