DeepSeek V4 Pro 0813 vs GPT-5
Compare DeepSeek V4 Pro 0813 by DeepSeek against GPT-5 by OpenAI, context windows of 1.0M vs 400K, tested across 51 shared challenges.
Our Verdict
DeepSeek V4 Pro 0813
GPT-5Runner-up
No community votes yet. On paper, DeepSeek V4 Pro 0813 has the edge — newer, bigger context window.
DeepSeek V4 Pro 0813 is 5.1x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V4 Pro 0813
Input
$0.66
1.9× cheaper
Output
$1.98
5.1× cheaper
GPT-5
Input
$1.25
Output
$10.00
DeepSeek V4 Pro 0813 is cheaper on both — 1.9× input, 5.1× output
Writing DNA
Style Comparison
Similarity
65%
DeepSeek V4 Pro 0813 uses 16.8x more bold
DeepSeek V4 Pro 0813
GPT-5
57%Vocabulary65%
17wSentence Length13w
0.49Hedging0.20
3.2Bold0.2
3.2Lists4.6
0.00Emoji0.00
1.08Headings0.16
0.04Transitions0.03
Based on 27 + 16 text responses
Research
What we learned reading every model
FAQ
