Claude Sonnet 4.5 vs Mistral Medium 3
Compare Claude Sonnet 4.5 by Anthropic against Mistral Medium 3 by Mistral AI, context windows of 200K vs 131K, tested across 43 shared challenges.
Our Verdict
Claude Sonnet 4.5
Mistral Medium 3Runner-up
No community votes yet. On paper, Claude Sonnet 4.5 has the edge — newer, bigger context window, major provider backing.
Mistral Medium 3 is 7.5x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 4.5
Input
$3.00
Output
$15.00
Mistral Medium 3
Input
$0.40
7.5× cheaper
Output
$2.00
7.5× cheaper
Mistral Medium 3 is cheaper on both — 7.5× input, 7.5× output
Writing DNA
Style Comparison
Similarity
57%
Claude Sonnet 4.5 uses 7.6x more emoji
Claude Sonnet 4.5
Mistral Medium 3
64%Vocabulary57%
94wSentence Length17w
0.48Hedging0.73
4.9Bold8.6
8.0Lists6.5
0.45Emoji0.06
1.91Headings1.18
0.07Transitions0.15
Based on 20 + 15 text responses
Research
What we learned reading every model
FAQ
