Mistral Devstral Small 1.1 vs GPT-5
Compare Mistral Devstral Small 1.1 by Mistral AI against GPT-5 by OpenAI, tested across 52 shared challenges.
Our Verdict
GPT-5
Mistral Devstral Small 1.1Runner-up
No community votes yet. On paper, GPT-5 has the edge — bigger model tier, bigger context window, major provider backing.
Mistral Devstral Small 1.1 is 33x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Mistral Devstral Small 1.1
Input
$0.10
13× cheaper
Output
$0.30
33× cheaper
GPT-5
Input
$1.25
Output
$10.00
Mistral Devstral Small 1.1 is cheaper on both — 13× input, 33× output
Writing DNA
Style Comparison
Similarity
43%
Mistral Devstral Small 1.1 uses 22.8x more bold
Mistral Devstral Small 1.1
GPT-5
50%Vocabulary65%
17wSentence Length13w
0.56Hedging0.20
4.3Bold0.2
5.7Lists4.6
0.00Emoji0.00
0.05Headings0.16
0.34Transitions0.03
Based on 21 + 16 text responses
Research
What we learned reading every model
FAQ
