GPT-5 vs GPT OSS 120B
Compare GPT-5 and GPT OSS 120B, both from OpenAI, in 25 community votes, gpt-5 wins 82% of head-to-head duels, context windows of 400K vs 131K, tested across 52 shared challenges.
Web Design: GPT-5 wins 70% of votes
Image Generation: GPT-5 wins 100% of votes
Our Verdict
GPT-5Winner
GPT OSS 120BRunner-up
Pick GPT-5. In 25 blind votes, GPT-5 wins 82% of the time. That's not luck.
GPT-5 particularly excels in Image Generation, Web Design. GPT OSS 120B is 13x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
GPT-5
Input
$1.25
Output
$10.00
GPT OSS 120B
Input
$0.18
6.9× cheaper
Output
$0.80
13× cheaper
GPT OSS 120B is cheaper on both — 6.9× input, 13× output
Writing DNA
Style Comparison
Similarity
53%
GPT OSS 120B uses 15.4x more emoji
GPT-5
GPT OSS 120B
65%Vocabulary52%
13wSentence Length19w
0.20Hedging0.28
0.2Bold7.4
4.6Lists1.8
0.00Emoji0.15
0.16Headings0.73
0.03Transitions0.17
Based on 16 + 21 text responses
Research
What we learned reading every model
FAQ
