GPT-5.4 Pro vs Mistral Large 2
Compare GPT-5.4 Pro by OpenAI against Mistral Large 2 by Mistral AI, context windows of 1.1M vs 128K, tested across 16 shared challenges.
Our Verdict
GPT-5.4 Pro
Mistral Large 2Runner-up
No community votes yet. On paper, GPT-5.4 Pro has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Large 2 is 7.5x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
GPT-5.4 Pro
Input
$30.00
Output
$180.00
Mistral Large 2
Input
$8.00
3.8× cheaper
Output
$24.00
7.5× cheaper
Mistral Large 2 is cheaper on both — 3.8× input, 7.5× output
Writing DNA
Style Comparison
Similarity
75%
Mistral Large 2 uses 79.6x more emoji
GPT-5.4 Pro
Mistral Large 2
50%Vocabulary43%
35wSentence Length21w
0.70Hedging0.39
7.5Bold14.4
8.3Lists7.4
0.00Emoji0.80
2.52Headings1.41
0.01Transitions0.01
Based on 12 + 10 text responses
Research
What we learned reading every model
FAQ
