GPT-4o (Omni) vs GPT-1
Compare GPT-4o (Omni) and GPT-1, both from OpenAI, context windows of 128K vs 1K, tested across 7 shared challenges. Updated June 2026.
Which is better, GPT-4o (Omni) or GPT-1?
GPT-4o (Omni) and GPT-1 are both competitive models. Context windows: 128K vs 1K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-4o (Omni) and GPT-1
GPT-4o (Omni) is made by openai while GPT-1 is from openai. GPT-4o (Omni) has a 128K token context window compared to GPT-1's 1K.
API pricing
Per 1M tokens
GPT-4o (Omni)
Input
$2.50
Output
$10.00
GPT-1
Input
—
Output
—
Our Verdict
GPT-4o (Omni)
GPT-1Runner-up
No community votes yet. On paper, GPT-4o (Omni) has the edge — bigger model tier, newer, bigger context window.
Slight edge
Writing DNA
Style Comparison
Similarity
43%
GPT-4o (Omni) uses 734.5x more bold
GPT-4o (Omni)
GPT-1
54%Vocabulary65%
18wSentence Length14w
0.72Hedging0.27
7.3Bold0.0
5.6Lists0.3
0.03Emoji0.00
1.40Headings0.00
0.26Transitions0.41
Based on 24 + 7 text responses
FAQ
