Gemini 3.5 Flash vs GPT OSS 120B
Compare Gemini 3.5 Flash by Google AI against GPT OSS 120B by OpenAI, in 2 community votes, gemini 3.5 flash and gpt oss 120b are closely matched, context windows of 1.0M vs 131K, tested across 53 shared challenges.
Reasoning: Gemini 3.5 Flash and GPT OSS 120B are tied
Our Verdict
Gemini 3.5 FlashWinner
GPT OSS 120BRunner-up
Votes are tied. Gemini 3.5 Flash is newer and likely incorporates more recent improvements.
GPT OSS 120B is 11x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemini 3.5 Flash
Input
$1.50
Output
$9.00
GPT OSS 120B
Input
$0.18
8.3× cheaper
Output
$0.80
11× cheaper
GPT OSS 120B is cheaper on both — 8.3× input, 11× output
Writing DNA
Style Comparison
Similarity
56%
GPT OSS 120B uses 15.4x more emoji
Gemini 3.5 Flash
GPT OSS 120B
59%Vocabulary52%
18wSentence Length19w
0.16Hedging0.28
4.4Bold7.4
3.0Lists1.8
0.00Emoji0.15
0.89Headings0.73
0.11Transitions0.17
Based on 27 + 21 text responses
Research
What we learned reading every model
FAQ
