GPT-4o (Omni)
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GPT-4o (Omni) vs DeepSeek R1
Compare GPT-4o (Omni) by OpenAI against DeepSeek R1 by DeepSeek, in 2 community votes, gpt-4o (omni) wins 100% of head-to-head duels, context windows of 128K vs 128K, tested across 42 shared challenges. Updated March 2026.
Which is better, GPT-4o (Omni) or DeepSeek R1?
GPT-4o (Omni) is the better choice overall, winning 100% of 2 blind community votes on Rival. GPT-4o (Omni) costs $2.5/M input tokens vs $0.55/M for DeepSeek R1. Context windows: 128K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-4o (Omni) and DeepSeek R1
GPT-4o (Omni) is made by openai while DeepSeek R1 is from deepseek. GPT-4o (Omni) has a 128K token context window compared to DeepSeek R1's 128K. On pricing, GPT-4o (Omni) costs $2.5/M input tokens vs $0.55/M for DeepSeek R1. In community voting, In 2 community votes, GPT-4o (Omni) wins 100% of head-to-head duels.
In 2 community votes, GPT-4o (Omni) wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Our Verdict
GPT-4o (Omni)Winner
DeepSeek R1Runner-up
Pick GPT-4o (Omni). In 2 blind votes, GPT-4o (Omni) wins 100% of the time. That's not luck.
DeepSeek R1 is 4.6x cheaper per token — worth considering if cost matters.
Clear winner
FAQ
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