GPT-4o (Omni)
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GPT-4o (Omni) vs OpenAI o3
Compare GPT-4o (Omni) and OpenAI o3, both from OpenAI, in 1 community votes, openai o3 wins 100% of head-to-head duels, tested across 50 shared challenges. Updated March 2026.
Which is better, GPT-4o (Omni) or OpenAI o3?
OpenAI o3 is the better choice overall, winning 100% of 1 blind community votes on Rival. GPT-4o (Omni) costs $2.5/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between GPT-4o (Omni) and OpenAI o3
GPT-4o (Omni) is made by openai while OpenAI o3 is from openai. On pricing, GPT-4o (Omni) costs $2.5/M input tokens vs $10/M for OpenAI o3. In community voting, In 1 community votes, OpenAI o3 wins 100% of head-to-head duels.
In 1 community votes, OpenAI o3 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.
Our Verdict
OpenAI o3Winner
GPT-4o (Omni)Runner-up
Pick OpenAI o3. In 1 blind votes, OpenAI o3 wins 100% of the time. That's not luck.
GPT-4o (Omni) is 4.0x cheaper per token — worth considering if cost matters.
Clear winner
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