Mistral Devstral Medium
Nothing here. The model returned empty. We stared at it for a while.
Mistral Devstral Medium vs GPT-4o (Omni)
Compare Mistral Devstral Medium by Mistral AI against GPT-4o (Omni) by OpenAI, tested across 53 shared challenges. Updated April 2026.
Which is better, Mistral Devstral Medium or GPT-4o (Omni)?
Mistral Devstral Medium and GPT-4o (Omni) are both competitive models. Mistral Devstral Medium costs $0.4/M input tokens vs $2.5/M for GPT-4o (Omni). Compare their real outputs side by side below.
Key Differences Between Mistral Devstral Medium and GPT-4o (Omni)
Mistral Devstral Medium is made by mistral while GPT-4o (Omni) is from openai. On pricing, Mistral Devstral Medium costs $0.4/M input tokens vs $2.5/M for GPT-4o (Omni).
Our Verdict
GPT-4o (Omni)
Mistral Devstral MediumRunner-up
No community votes yet. On paper, GPT-4o (Omni) 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
Writing DNA
Style Comparison
Similarity
93%
GPT-4o (Omni) uses 2.5x more emoji
Mistral Devstral Medium
GPT-4o (Omni)
50%Vocabulary54%
17wSentence Length18w
0.56Hedging0.72
4.5Bold7.3
5.3Lists5.6
0.00Emoji0.03
0.19Headings1.40
0.32Transitions0.26
Based on 21 + 24 text responses
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
Model Similarity Index
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
Devstral M / S
95.7%
Qwen3 Coder / Flash
95.6%
GPT-5.4 / Mini
93.3%
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
FAQ