Gemini 2.5 Pro (I/O Edition) vs GPT OSS 120B
Compare Gemini 2.5 Pro (I/O Edition) by Google AI against GPT OSS 120B by OpenAI, in 12 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
Reasoning: Gemini 2.5 Pro (I/O Edition) wins 100% of votes
Our Verdict
Gemini 2.5 Pro (I/O Edition)Winner
GPT OSS 120BRunner-up
Pick Gemini 2.5 Pro (I/O Edition). In 12 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, Reasoning. GPT OSS 120B is 13x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Gemini 2.5 Pro (I/O Edition)
Input
$1.25
Output
$10.00
GPT OSS 120B
Input
$0.18
6.9× cheaper
Output
$0.80
13× cheaper
GPT OSS 120B is cheaper on both — 6.9× input, 13× output
Writing DNA
Style Comparison
Similarity
41%
GPT OSS 120B uses 15.4x more emoji
Gemini 2.5 Pro (I/O Edition)
GPT OSS 120B
58%Vocabulary52%
16wSentence Length19w
0.38Hedging0.28
5.8Bold7.4
5.0Lists1.8
0.00Emoji0.15
0.63Headings0.73
0.01Transitions0.17
Based on 16 + 21 text responses
Research
What we learned reading every model
FAQ
Common questions
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