Mistral Devstral Medium vs GPT-5
Compare Mistral Devstral Medium by Mistral AI against GPT-5 by OpenAI, tested across 52 shared challenges.
Our Verdict
GPT-5
Mistral Devstral MediumRunner-up
No community votes yet. On paper, GPT-5 has the edge — bigger model tier, bigger context window, major provider backing.
Mistral Devstral Medium is 5.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Mistral Devstral Medium
Input
$0.40
3.1× cheaper
Output
$2.00
5.0× cheaper
GPT-5
Input
$1.25
Output
$10.00
Mistral Devstral Medium is cheaper on both — 3.1× input, 5.0× output
Writing DNA
Style Comparison
Similarity
44%
Mistral Devstral Medium uses 24.0x more bold
Mistral Devstral Medium
GPT-5
50%Vocabulary65%
17wSentence Length13w
0.56Hedging0.20
4.5Bold0.2
5.3Lists4.6
0.00Emoji0.00
0.19Headings0.16
0.32Transitions0.03
Based on 21 + 16 text responses
Research
What we learned reading every model
FAQ
