Gemma 3 12B vs GPT-5 Pro
Compare Gemma 3 12B by Google AI against GPT-5 Pro by OpenAI, tested across 42 shared challenges.
Our Verdict
GPT-5 Pro
Gemma 3 12BRunner-up
No community votes yet. On paper, GPT-5 Pro has the edge — bigger model tier, newer, bigger context window.
Gemma 3 12B is 4000x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemma 3 12B
Input
$0.03
500× cheaper
Output
$0.03
4000× cheaper
GPT-5 Pro
Input
$15.00
Output
$120.00
Gemma 3 12B is cheaper on both — 500× input, 4000× output
Writing DNA
Style Comparison
Similarity
38%
Gemma 3 12B uses 616.7x more bold
Gemma 3 12B
GPT-5 Pro
52%Vocabulary65%
17wSentence Length15w
0.66Hedging0.32
6.2Bold0.0
5.4Lists2.9
0.00Emoji0.00
0.06Headings0.00
0.23Transitions0.01
Based on 23 + 11 text responses
Research
What we learned reading every model
FAQ
Common questions
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