o3 Mini
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o3 Mini vs GPT-4o (Omni)
Compare o3 Mini and GPT-4o (Omni), both from OpenAI, in 1 community votes, gpt-4o (omni) wins 100% of head-to-head duels, context windows of 64K vs 128K, tested across 53 shared challenges. Updated April 2026.
Which is better, o3 Mini or GPT-4o (Omni)?
GPT-4o (Omni) is the better choice overall, winning 100% of 1 blind community votes on Rival. o3 Mini costs $1.1/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 64K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between o3 Mini and GPT-4o (Omni)
o3 Mini is made by openai while GPT-4o (Omni) is from openai. o3 Mini has a 64K token context window compared to GPT-4o (Omni)'s 128K. On pricing, o3 Mini costs $1.1/M input tokens vs $2.5/M for GPT-4o (Omni). 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
Writing DNA
Style Comparison
Similarity
89%
GPT-4o (Omni) uses 2.5x more emoji
o3 Mini
GPT-4o (Omni)
65%Vocabulary54%
17wSentence Length18w
0.74Hedging0.72
3.9Bold7.3
1.7Lists5.6
0.00Emoji0.03
0.47Headings1.40
0.38Transitions0.26
Based on 12 + 24 text responses
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