Gemma 3 27B vs GPT OSS 20B
Compare Gemma 3 27B by Google AI against GPT OSS 20B by OpenAI, in 330 community votes, gpt oss 20b wins 60% of head-to-head duels, tested across 54 shared challenges.
Web Design: GPT OSS 20B wins 58% of votes
Reasoning: GPT OSS 20B wins 71% of votes
Image Generation: GPT OSS 20B wins 83% of votes
Conversation: Gemma 3 27B wins 67% of votes
Analysis: Gemma 3 27B wins 71% of votes
Our Verdict
GPT OSS 20BWinner
Gemma 3 27BRunner-up
Pick GPT OSS 20B. In 330 blind votes, GPT OSS 20B wins 60% of the time. That's not luck.
Pick Gemma 3 27B for Analysis, Conversation. Pick GPT OSS 20B for Image Generation, Reasoning, Web Design.
Clear winner
API pricing
Cost per 1M tokens
Gemma 3 27B
Input
$0.09
Output
$0.17
GPT OSS 20B
Input
$0.02
4.5× cheaper
Output
$0.10
1.7× cheaper
GPT OSS 20B is cheaper on both — 4.5× input, 1.7× output
Writing DNA
Style Comparison
Similarity
39%
GPT OSS 20B uses 10.2x more emoji
Gemma 3 27B
GPT OSS 20B
53%Vocabulary54%
14wSentence Length17w
0.45Hedging0.26
5.5Bold5.9
4.4Lists3.3
0.00Emoji0.10
0.20Headings0.75
0.13Transitions0.32
Based on 21 + 21 text responses
Research
What we learned reading every model
FAQ
