Gemma 3 27B vs OpenAI: GPT-5.6 Luna Pro
Compare Gemma 3 27B by Google AI against OpenAI: GPT-5.6 Luna Pro by OpenAI, tested across 54 shared challenges.
Our Verdict
Gemma 3 27B
OpenAI: GPT-5.6 Luna Pro
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Gemma 3 27B is 35x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemma 3 27B
Input
$0.09
11× cheaper
Output
$0.17
35× cheaper
OpenAI: GPT-5.6 Luna Pro
Input
$1.00
Output
$6.00
Gemma 3 27B is cheaper on both — 11× input, 35× output
Writing DNA
Style Comparison
Similarity
42%
OpenAI: GPT-5.6 Luna Pro uses 53.7x more emoji
Gemma 3 27B
OpenAI: GPT-5.6 Luna Pro
53%Vocabulary58%
14wSentence Length18w
0.45Hedging0.81
5.5Bold2.9
4.4Lists5.1
0.00Emoji0.54
0.20Headings1.10
0.13Transitions0.09
Based on 21 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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