GPT-4.5 vs Mistral Large
Compare GPT-4.5 by OpenAI against Mistral Large by Mistral AI, context windows of 128K vs 32K, tested across 24 shared challenges.
Our Verdict
GPT-4.5
Mistral LargeRunner-up
No community votes yet. On paper, GPT-4.5 has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Large is 6.3x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
GPT-4.5
Input
$75.00
Output
$150.00
Mistral Large
Input
$8.00
9.4× cheaper
Output
$24.00
6.3× cheaper
Mistral Large is cheaper on both — 9.4× input, 6.3× output
Writing DNA
Style Comparison
Similarity
60%
Mistral Large uses 30.6x more emoji
GPT-4.5
Mistral Large
63%Vocabulary49%
16wSentence Length19w
0.57Hedging0.86
4.7Bold8.9
6.4Lists5.4
0.00Emoji0.31
1.30Headings1.01
0.54Transitions0.10
Based on 11 + 16 text responses
Research
What we learned reading every model
FAQ
