DeepSeek R1 0528 vs GPT OSS 20B

Compare DeepSeek R1 0528 by DeepSeek against GPT OSS 20B by OpenAI, in 11 community votes, deepseek r1 0528 wins 78% of head-to-head duels, context windows of 164K vs 131K, tested across 24 shared challenges. Updated February 2026.

In 11 community votes, DeepSeek R1 0528 wins 78% of head-to-head duels. DeepSeek R1 0528 leads in Image Generation. Based on blind community voting from the RIVAL open dataset of 11+ human preference judgments for this pair.

Image Generation: DeepSeek R1 0528 wins 83% of votes
Web Design: DeepSeek R1 0528 and GPT OSS 20B are tied
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