Mistral Devstral Small 1.1 vs GPT-4o (Omni)
Compare Mistral Devstral Small 1.1 by Mistral AI against GPT-4o (Omni) by OpenAI, tested across 54 shared challenges.
Our Verdict
GPT-4o (Omni)
Mistral Devstral Small 1.1Runner-up
No community votes yet. On paper, GPT-4o (Omni) 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
25× cheaper
Output
$0.30
33× cheaper
GPT-4o (Omni)
Input
$2.50
Output
$10.00
Mistral Devstral Small 1.1 is cheaper on both — 25× input, 33× output
Writing DNA
Style Comparison
Similarity
79%
GPT-4o (Omni) uses 2.5x more emoji
Mistral Devstral Small 1.1
GPT-4o (Omni)
50%Vocabulary54%
17wSentence Length18w
0.56Hedging0.72
4.3Bold7.3
5.7Lists5.6
0.00Emoji0.03
0.05Headings1.40
0.34Transitions0.26
Based on 21 + 24 text responses
Research
What we learned reading every model
FAQ
