Gemini 2.5 Pro Preview 06-05 vs GPT OSS 120B
Compare Gemini 2.5 Pro Preview 06-05 by Google AI against GPT OSS 120B by OpenAI, context windows of 1.0M vs 131K, tested across 44 shared challenges.
Our Verdict
Gemini 2.5 Pro Preview 06-05
GPT OSS 120B
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT OSS 120B is 13x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Pro Preview 06-05
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
54%
GPT OSS 120B uses 15.4x more emoji
Gemini 2.5 Pro Preview 06-05
GPT OSS 120B
51%Vocabulary52%
15wSentence Length19w
0.31Hedging0.28
4.8Bold7.4
4.1Lists1.8
0.00Emoji0.15
0.98Headings0.73
0.05Transitions0.17
Based on 20 + 21 text responses
Research
What we learned reading every model
FAQ
