Mistral Devstral Medium vs xAI: Grok 4.5
Compare Mistral Devstral Medium by Mistral AI against xAI: Grok 4.5 by xAI, tested across 54 shared challenges.
Our Verdict
xAI: Grok 4.5
Mistral Devstral MediumRunner-up
No community votes yet. On paper, xAI: Grok 4.5 has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Devstral Medium is 3.0x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Mistral Devstral Medium
Input
$0.40
5.0× cheaper
Output
$2.00
3.0× cheaper
xAI: Grok 4.5
Input
$2.00
Output
$6.00
Mistral Devstral Medium is cheaper on both — 5.0× input, 3.0× output
Writing DNA
Style Comparison
Similarity
34%
xAI: Grok 4.5 uses 9.0x more emoji
Mistral Devstral Medium
xAI: Grok 4.5
50%Vocabulary61%
17wSentence Length16w
0.56Hedging0.23
4.5Bold2.5
5.3Lists2.4
0.00Emoji0.09
0.19Headings0.48
0.32Transitions0.06
Based on 21 + 27 text responses
Research
What we learned reading every model
FAQ
