DeepSeek Prover V2 vs GPT-5.1
Compare DeepSeek Prover V2 by DeepSeek against GPT-5.1 by OpenAI, context windows of 164K vs 400K, tested across 6 shared challenges.
Our Verdict
GPT-5.1
DeepSeek Prover V2Runner-up
No community votes yet. On paper, GPT-5.1 has the edge — newer, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek Prover V2
Input
$0.000
Output
$0.000
GPT-5.1
Input
$1.25
Output
$10.00
Writing DNA
Style Comparison
Similarity
53%
GPT-5.1 uses 28.7x more hedging
DeepSeek Prover V2
GPT-5.1
47%Vocabulary62%
8wSentence Length19w
0.00Hedging0.29
3.1Bold3.5
0.0Lists7.2
0.00Emoji0.00
0.35Headings0.61
0.19Transitions0.03
Based on 1 + 14 text responses
Research
What we learned reading every model
FAQ
