DeepSeek R1
Nothing here. The model returned empty. We stared at it for a while.
DeepSeek R1 vs GPT-4o (Omni)
Compare DeepSeek R1 by DeepSeek against GPT-4o (Omni) by OpenAI, in 2 community votes, gpt-4o (omni) wins 100% of head-to-head duels, context windows of 128K vs 128K, tested across 52 shared challenges. Updated April 2026.
Which is better, DeepSeek R1 or GPT-4o (Omni)?
GPT-4o (Omni) is the better choice overall, winning 100% of 2 blind community votes on Rival. DeepSeek R1 costs $0.55/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 128K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between DeepSeek R1 and GPT-4o (Omni)
DeepSeek R1 is made by deepseek while GPT-4o (Omni) is from openai. DeepSeek R1 has a 128K token context window compared to GPT-4o (Omni)'s 128K. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $2.5/M for GPT-4o (Omni). 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
Writing DNA
Style Comparison
Similarity
87%
GPT-4o (Omni) uses 2.2x more headings
DeepSeek R1
GPT-4o (Omni)
62%Vocabulary54%
15wSentence Length18w
0.52Hedging0.72
8.0Bold7.3
5.7Lists5.6
0.04Emoji0.03
0.62Headings1.40
0.28Transitions0.26
Based on 22 + 24 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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