Mistral Devstral Medium vs GPT-5 Pro
Compare Mistral Devstral Medium by Mistral AI against GPT-5 Pro by OpenAI, tested across 42 shared challenges.
Our Verdict
GPT-5 Pro
Mistral Devstral MediumRunner-up
No community votes yet. On paper, GPT-5 Pro has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Devstral Medium is 60x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Mistral Devstral Medium
Input
$0.40
38× cheaper
Output
$2.00
60× cheaper
GPT-5 Pro
Input
$15.00
Output
$120.00
Mistral Devstral Medium is cheaper on both — 38× input, 60× output
Writing DNA
Style Comparison
Similarity
46%
Mistral Devstral Medium uses 453.5x more bold
Mistral Devstral Medium
GPT-5 Pro
50%Vocabulary65%
17wSentence Length15w
0.56Hedging0.32
4.5Bold0.0
5.3Lists2.9
0.00Emoji0.00
0.19Headings0.00
0.32Transitions0.01
Based on 21 + 11 text responses
Research
What we learned reading every model
FAQ
