DeepSeek R1 0528 vs GPT OSS 120B

Compare DeepSeek R1 0528 by DeepSeek against GPT OSS 120B by OpenAI, in 3 community votes, deepseek r1 0528 wins 100% of head-to-head duels, context windows of 164K vs 131K, tested across 19 shared challenges. Updated February 2026.

In 3 community votes, DeepSeek R1 0528 wins 100% of head-to-head duels. Based on blind community voting from the RIVAL open dataset of 3+ human preference judgments for this pair.

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