GPT-4o (Omni) vs o1
Compare GPT-4o (Omni) and o1, both from OpenAI, context windows of 128K vs 128K, tested across 54 shared challenges.
Our Verdict
GPT-4o (Omni)
o1
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 6.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-4o (Omni)
Input
$2.50
6.0× cheaper
Output
$10.00
6.0× cheaper
o1
Input
$15.00
Output
$60.00
GPT-4o (Omni) is cheaper on both — 6.0× input, 6.0× output
Writing DNA
Style Comparison
Similarity
48%
GPT-4o (Omni) uses 2.5x more emoji
GPT-4o (Omni)
o1
54%Vocabulary64%
18wSentence Length16w
0.72Hedging0.76
7.3Bold5.0
5.6Lists2.6
0.03Emoji0.00
1.40Headings0.44
0.26Transitions0.40
Based on 24 + 13 text responses
Research
What we learned reading every model
FAQ
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