GPT-4 vs GPT-4o (Omni)
Compare GPT-4 and GPT-4o (Omni), both from OpenAI, context windows of 8K vs 128K, tested across 26 shared challenges.
Our Verdict
GPT-4o (Omni)
GPT-4Runner-up
No community votes yet. On paper, GPT-4o (Omni) has the edge — newer, bigger context window.
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-4
Input
$30.00
Output
$60.00
GPT-4o (Omni)
Input
$2.50
12× cheaper
Output
$10.00
6.0× cheaper
GPT-4o (Omni) is cheaper on both — 12× input, 6.0× output
Writing DNA
Style Comparison
Similarity
56%
GPT-4o (Omni) uses 2.5x more emoji
GPT-4
GPT-4o (Omni)
59%Vocabulary54%
18wSentence Length18w
1.10Hedging0.72
0.8Bold7.3
2.5Lists5.6
0.00Emoji0.03
0.00Headings1.40
0.45Transitions0.26
Based on 15 + 24 text responses
Research
What we learned reading every model
FAQ
