GPT-4o (Omni)
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GPT-4o (Omni) vs o3 Mini
Compare GPT-4o (Omni) and o3 Mini, both from OpenAI, in 1 community votes, gpt-4o (omni) wins 100% of head-to-head duels, context windows of 128K vs 64K, tested across 39 shared challenges. Updated March 2026.
Which is better, GPT-4o (Omni) or o3 Mini?
GPT-4o (Omni) is the better choice overall, winning 100% of 1 blind community votes on Rival. GPT-4o (Omni) costs $2.5/M input tokens vs $1.1/M for o3 Mini. Context windows: 128K vs 64K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-4o (Omni) and o3 Mini
GPT-4o (Omni) is made by openai while o3 Mini is from openai. GPT-4o (Omni) has a 128K token context window compared to o3 Mini's 64K. On pricing, GPT-4o (Omni) costs $2.5/M input tokens vs $1.1/M for o3 Mini. In community voting, In 1 community votes, GPT-4o (Omni) wins 100% of head-to-head duels.
In 1 community votes, GPT-4o (Omni) 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
GPT-4o (Omni)Winner
o3 MiniRunner-up
Pick GPT-4o (Omni). In 1 blind votes, GPT-4o (Omni) wins 100% of the time. That's not luck.
Clear winner
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