GPT-4o (Omni) vs OpenAI o3
Compare GPT-4o (Omni) and OpenAI o3, both from OpenAI, tested across 54 shared challenges.
Our Verdict
GPT-4o (Omni)
OpenAI o3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT-4o (Omni) is 4.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-4o (Omni)
Input
$2.50
4.0× cheaper
Output
$10.00
4.0× cheaper
OpenAI o3
Input
$10.00
Output
$40.00
GPT-4o (Omni) is cheaper on both — 4.0× input, 4.0× output
Writing DNA
Style Comparison
Similarity
26%
GPT-4o (Omni) uses 2.5x more emoji
GPT-4o (Omni)
OpenAI o3
54%Vocabulary68%
18wSentence Length14w
0.72Hedging0.26
7.3Bold0.7
5.6Lists3.0
0.03Emoji0.00
1.40Headings0.38
0.26Transitions0.12
Based on 24 + 16 text responses
Research
What we learned reading every model
FAQ
