Gemini 2.5 Pro (I/O Edition)
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Gemini 2.5 Pro (I/O Edition) vs GPT-5
Compare Gemini 2.5 Pro (I/O Edition) by Google AI against GPT-5 by OpenAI, in 41 community votes, gemini 2.5 pro (i/o edition) wins 62% of head-to-head duels, tested across 35 shared challenges. Updated April 2026.
Which is better, Gemini 2.5 Pro (I/O Edition) or GPT-5?
Gemini 2.5 Pro (I/O Edition) is the better choice overall, winning 62% of 41 blind community votes on Rival. Gemini 2.5 Pro (I/O Edition) costs $1.25/M input tokens vs $1.25/M for GPT-5. Compare their real outputs side by side below.
Key Differences Between Gemini 2.5 Pro (I/O Edition) and GPT-5
Gemini 2.5 Pro (I/O Edition) is made by google while GPT-5 is from openai. On pricing, Gemini 2.5 Pro (I/O Edition) costs $1.25/M input tokens vs $1.25/M for GPT-5. In community voting, In 41 community votes, Gemini 2.5 Pro (I/O Edition) wins 62% of head-to-head duels.
In 41 community votes, Gemini 2.5 Pro (I/O Edition) wins 62% of head-to-head duels. Gemini 2.5 Pro (I/O Edition) leads in Image Generation, Reasoning, Conversation. Based on blind community voting from the Rival open dataset of 41+ human preference judgments for this pair.
Image Generation: Gemini 2.5 Pro (I/O Edition) wins 64% of votes
Reasoning: Gemini 2.5 Pro (I/O Edition) wins 57% of votes
Web Design: Gemini 2.5 Pro (I/O Edition) and GPT-5 are tied
Conversation: Gemini 2.5 Pro (I/O Edition) wins 75% of votes
Our Verdict
Gemini 2.5 Pro (I/O Edition)Winner
GPT-5Runner-up
Pick Gemini 2.5 Pro (I/O Edition). In 41 blind votes, Gemini 2.5 Pro (I/O Edition) wins 62% of the time. That's not luck.
Gemini 2.5 Pro (I/O Edition) particularly excels in Conversation, Image Generation, Reasoning.
Clear winner
Writing DNA
Style Comparison
Similarity
99%
Gemini 2.5 Pro (I/O Edition) uses 30.7x more bold
Gemini 2.5 Pro (I/O Edition)
GPT-5
58%Vocabulary65%
16wSentence Length13w
0.38Hedging0.20
5.8Bold0.2
5.0Lists4.6
0.00Emoji0.00
0.63Headings0.16
0.01Transitions0.03
Based on 16 + 16 text responses
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