ChatGPT-4o (March 2025) vs Mistral Medium 3
Compare ChatGPT-4o (March 2025) by OpenAI against Mistral Medium 3 by Mistral AI, context windows of 128K vs 131K, tested across 32 shared challenges.
Our Verdict
ChatGPT-4o (March 2025)
Mistral Medium 3Runner-up
No community votes yet. On paper, ChatGPT-4o (March 2025) has the edge — bigger model tier, 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
ChatGPT-4o (March 2025)
Input
$5.00
Output
$15.00
Mistral Medium 3
Input
$0.40
13× cheaper
Output
$2.00
7.5× cheaper
Mistral Medium 3 is cheaper on both — 13× input, 7.5× output
Writing DNA
Style Comparison
Similarity
55%
ChatGPT-4o (March 2025) uses 15.8x more emoji
ChatGPT-4o (March 2025)
Mistral Medium 3
55%Vocabulary57%
24wSentence Length17w
0.52Hedging0.73
3.3Bold8.6
6.0Lists6.5
0.94Emoji0.06
0.63Headings1.18
0.05Transitions0.15
Based on 15 + 15 text responses
Research
What we learned reading every model
FAQ
