DeepSeek V3 (March 2024) vs OpenAI o3
Compare DeepSeek V3 (March 2024) by DeepSeek against OpenAI o3 by OpenAI, tested across 53 shared challenges.
Our Verdict
DeepSeek V3 (March 2024)
OpenAI o3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
DeepSeek V3 (March 2024) is 143x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V3 (March 2024)
Input
$0.14
71× cheaper
Output
$0.28
143× cheaper
OpenAI o3
Input
$10.00
Output
$40.00
DeepSeek V3 (March 2024) is cheaper on both — 71× input, 143× output
Writing DNA
Style Comparison
Similarity
35%
DeepSeek V3 (March 2024) uses 25.6x more emoji
DeepSeek V3 (March 2024)
OpenAI o3
58%Vocabulary68%
18wSentence Length14w
0.73Hedging0.26
7.5Bold0.7
7.6Lists3.0
0.26Emoji0.00
1.60Headings0.38
0.08Transitions0.12
Based on 16 + 16 text responses
Research
What we learned reading every model
FAQ
