Mistral: Devstral 2 2512 vs GPT-5.5
Compare Mistral: Devstral 2 2512 by Mistral AI against GPT-5.5 by OpenAI, tested across 34 shared challenges.
Our Verdict
GPT-5.5
Mistral: Devstral 2 2512Runner-up
No community votes yet. On paper, GPT-5.5 has the edge — newer, bigger context window, major provider backing.
Too close to call
API pricing
Cost per 1M tokens
Mistral: Devstral 2 2512
Input
—
Output
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GPT-5.5
Input
$5.00
Output
$30.00
Writing DNA
Style Comparison
Similarity
39%
Mistral: Devstral 2 2512 uses 30.7x more emoji
Mistral: Devstral 2 2512
GPT-5.5
56%Vocabulary58%
14wSentence Length18w
0.51Hedging0.74
8.8Bold2.9
5.3Lists5.1
0.31Emoji0.00
1.11Headings1.68
0.18Transitions0.03
Based on 14 + 26 text responses
Research
What we learned reading every model
FAQ
