Gemini 3.1 Pro Preview vs GPT OSS 120B
Compare Gemini 3.1 Pro Preview by Google AI against GPT OSS 120B by OpenAI, in 2 community votes, gemini 3.1 pro preview wins 100% of head-to-head duels, context windows of 1.0M vs 131K, tested across 53 shared challenges.
Our Verdict
Gemini 3.1 Pro PreviewWinner
GPT OSS 120BRunner-up
Pick Gemini 3.1 Pro Preview. In 2 blind votes, Gemini 3.1 Pro Preview wins 100% of the time. That's not luck.
GPT OSS 120B is 15x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Gemini 3.1 Pro Preview
Input
$2.00
Output
$12.00
GPT OSS 120B
Input
$0.18
11× cheaper
Output
$0.80
15× cheaper
GPT OSS 120B is cheaper on both — 11× input, 15× output
Writing DNA
Style Comparison
Similarity
51%
GPT OSS 120B uses 15.4x more emoji
Gemini 3.1 Pro Preview
GPT OSS 120B
54%Vocabulary52%
18wSentence Length19w
0.29Hedging0.28
4.9Bold7.4
3.3Lists1.8
0.00Emoji0.15
0.72Headings0.73
0.14Transitions0.17
Based on 23 + 21 text responses
Research
What we learned reading every model
FAQ
