DeepSeek V4 Pro vs GPT-5.2 Pro
Compare DeepSeek V4 Pro by DeepSeek against GPT-5.2 Pro by OpenAI, context windows of 1.0M vs 400K, tested across 31 shared challenges.
Our Verdict
DeepSeek V4 Pro
GPT-5.2 ProRunner-up
No community votes yet. On paper, DeepSeek V4 Pro has the edge — newer, bigger context window.
DeepSeek V4 Pro is 48x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V4 Pro
Input
$1.74
12× cheaper
Output
$3.48
48× cheaper
GPT-5.2 Pro
Input
$21.00
Output
$168.00
DeepSeek V4 Pro is cheaper on both — 12× input, 48× output
Writing DNA
Style Comparison
Similarity
46%
DeepSeek V4 Pro uses 3.5x more emoji
DeepSeek V4 Pro
GPT-5.2 Pro
57%Vocabulary62%
18wSentence Length19w
0.52Hedging0.39
3.3Bold8.6
2.3Lists3.8
0.04Emoji0.00
0.45Headings1.17
0.15Transitions0.02
Based on 27 + 10 text responses
Research
What we learned reading every model
FAQ
