Claude Opus 4 vs Mistral Medium 3
Compare Claude Opus 4 by Anthropic against Mistral Medium 3 by Mistral AI, context windows of 200K vs 131K, tested across 53 shared challenges.
Our Verdict
Claude Opus 4
Mistral Medium 3Runner-up
No community votes yet. On paper, Claude Opus 4 has the edge — bigger model tier, bigger context window, major provider backing.
Mistral Medium 3 is 38x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Claude Opus 4
Input
$15.00
Output
$75.00
Mistral Medium 3
Input
$0.40
38× cheaper
Output
$2.00
38× cheaper
Mistral Medium 3 is cheaper on both — 38× input, 38× output
Writing DNA
Style Comparison
Similarity
64%
Claude Opus 4 uses 3.5x more sentence length
Claude Opus 4
Mistral Medium 3
64%Vocabulary57%
62wSentence Length17w
0.52Hedging0.73
4.4Bold8.6
9.1Lists6.5
0.11Emoji0.06
1.87Headings1.18
0.27Transitions0.15
Based on 16 + 15 text responses
Research
What we learned reading every model
FAQ
