DeepSeek R1 vs OpenAI o3
Compare DeepSeek R1 by DeepSeek against OpenAI o3 by OpenAI, tested across 53 shared challenges.
Our Verdict
OpenAI o3
DeepSeek R1Runner-up
No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, newer.
DeepSeek R1 is 18x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek R1
Input
$0.55
18× cheaper
Output
$2.19
18× cheaper
OpenAI o3
Input
$10.00
Output
$40.00
DeepSeek R1 is cheaper on both — 18× input, 18× output
Writing DNA
Style Comparison
Similarity
43%
DeepSeek R1 uses 4.3x more emoji
DeepSeek R1
OpenAI o3
62%Vocabulary68%
15wSentence Length14w
0.52Hedging0.26
8.0Bold0.7
5.7Lists3.0
0.04Emoji0.00
0.62Headings0.38
0.28Transitions0.12
Based on 22 + 16 text responses
Research
What we learned reading every model
FAQ
