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o1 vs DeepSeek R1

Compare o1 by OpenAI against DeepSeek R1 by DeepSeek, in 6 community votes, deepseek r1 wins 75% of head-to-head duels, context windows of 128K vs 128K, tested across 39 shared challenges. Updated March 2026.

In 6 community votes, DeepSeek R1 wins 75% of head-to-head duels. DeepSeek R1 leads in Image Generation. Based on blind community voting from the Rival open dataset of 6+ human preference judgments for this pair.

Image Generation: DeepSeek R1 wins 67% of votes
Our VerdictClear winner
DeepSeek R1DeepSeek R1

Pick DeepSeek R1. In 6 blind votes, DeepSeek R1 wins 75% of the time. That's not luck.

DeepSeek R1 particularly excels in Image Generation. DeepSeek R1 is 27x cheaper per token — worth considering if cost matters.

In 6 blind votes, DeepSeek R1 wins 75% of the time.
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