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. Updated May 2026.
Which is better, DeepSeek Prover V2 or GPT-5?
DeepSeek Prover V2 and GPT-5 are both competitive models. DeepSeek Prover V2 costs $0/M input tokens vs $1.25/M for GPT-5. Context windows: 164K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between DeepSeek Prover V2 and GPT-5
DeepSeek Prover V2 is made by deepseek while GPT-5 is from openai. DeepSeek Prover V2 has a 164K token context window compared to GPT-5's 400K. On pricing, DeepSeek Prover V2 costs $0/M input tokens vs $1.25/M for GPT-5.
API pricing
Per 1M tokens
DeepSeek Prover V2
Input
$0.000
Output
$0.000
GPT-5
Input
$1.25
Output
$10.00
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
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
FAQ
