Gemma 3 12B vs GPT-4.5
Compare Gemma 3 12B by Google AI against GPT-4.5 by OpenAI, tested across 25 shared challenges.
Our Verdict
GPT-4.5
Gemma 3 12BRunner-up
No community votes yet. On paper, GPT-4.5 has the edge — bigger model tier, bigger context window.
Gemma 3 12B is 5000x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemma 3 12B
Input
$0.03
2500× cheaper
Output
$0.03
5000× cheaper
GPT-4.5
Input
$75.00
Output
$150.00
Gemma 3 12B is cheaper on both — 2500× input, 5000× output
Writing DNA
Style Comparison
Similarity
64%
GPT-4.5 uses 22.2x more headings
Gemma 3 12B
GPT-4.5
52%Vocabulary63%
17wSentence Length16w
0.66Hedging0.57
6.2Bold4.7
5.4Lists6.4
0.00Emoji0.00
0.06Headings1.30
0.23Transitions0.54
Based on 23 + 11 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
