DeepSeek V4 Pro vs GPT-4.1 Nano
Compare DeepSeek V4 Pro by DeepSeek against GPT-4.1 Nano by OpenAI, context windows of 1.0M vs 1.0M, tested across 53 shared challenges.
Our Verdict
DeepSeek V4 Pro
GPT-4.1 NanoRunner-up
No community votes yet. On paper, DeepSeek V4 Pro has the edge — bigger model tier, newer.
GPT-4.1 Nano is 8.7x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V4 Pro
Input
$1.74
Output
$3.48
GPT-4.1 Nano
Input
$0.10
17× cheaper
Output
$0.40
8.7× cheaper
GPT-4.1 Nano is cheaper on both — 17× input, 8.7× output
Writing DNA
Style Comparison
Similarity
39%
DeepSeek V4 Pro uses 3.5x more emoji
DeepSeek V4 Pro
GPT-4.1 Nano
57%Vocabulary57%
18wSentence Length25w
0.52Hedging0.72
3.3Bold5.6
2.3Lists4.9
0.04Emoji0.00
0.45Headings0.71
0.15Transitions0.22
Based on 27 + 24 text responses
Research
What we learned reading every model
FAQ
