DeepSeek Prover V2 vs GPT-5
Compare DeepSeek Prover V2 by DeepSeek against GPT-5 by OpenAI, context windows of 164K vs 400K, tested across 6 shared challenges.
Our Verdict
GPT-5
DeepSeek Prover V2Runner-up
No community votes yet. On paper, GPT-5 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
Input
$1.25
Output
$10.00
Writing DNA
Style Comparison
Similarity
44%
GPT-5 uses 19.5x more hedging
DeepSeek Prover V2
GPT-5
47%Vocabulary65%
8wSentence Length13w
0.00Hedging0.20
3.1Bold0.2
0.0Lists4.6
0.00Emoji0.00
0.35Headings0.16
0.19Transitions0.03
Based on 1 + 16 text responses
Research
What we learned reading every model
FAQ
