Mistral Devstral Small 1.1 vs GPT OSS 20B
Compare Mistral Devstral Small 1.1 by Mistral AI against GPT OSS 20B by OpenAI, in 25 community votes, gpt oss 20b wins 60% of head-to-head duels, tested across 54 shared challenges.
Web Design: GPT OSS 20B wins 57% of votes
Reasoning: GPT OSS 20B wins 67% of votes
Image Generation: Mistral Devstral Small 1.1 wins 67% of votes
Our Verdict
GPT OSS 20BWinner
Mistral Devstral Small 1.1Runner-up
Pick GPT OSS 20B. In 25 blind votes, GPT OSS 20B wins 60% of the time. That's not luck.
Pick Mistral Devstral Small 1.1 for Image Generation. Pick GPT OSS 20B for Reasoning, Web Design.
Clear winner
API pricing
Cost per 1M tokens
Mistral Devstral Small 1.1
Input
$0.10
Output
$0.30
GPT OSS 20B
Input
$0.02
5.0× cheaper
Output
$0.10
3.0× cheaper
GPT OSS 20B is cheaper on both — 5.0× input, 3.0× output
Writing DNA
Style Comparison
Similarity
56%
GPT OSS 20B uses 10.2x more emoji
Mistral Devstral Small 1.1
GPT OSS 20B
50%Vocabulary54%
17wSentence Length17w
0.56Hedging0.26
4.3Bold5.9
5.7Lists3.3
0.00Emoji0.10
0.05Headings0.75
0.34Transitions0.32
Based on 21 + 21 text responses
Research
What we learned reading every model
FAQ
