DeepSeek Prover V2 vs GPT OSS 20B

Compare DeepSeek Prover V2 by DeepSeek against GPT OSS 20B by OpenAI, in 3 community votes, deepseek prover v2 and gpt oss 20b are closely matched, context windows of 164K vs 131K, tested across 6 shared challenges. Updated February 2026.

In 3 community votes, DeepSeek Prover V2 and GPT OSS 20B are closely matched. DeepSeek Prover V2 and GPT OSS 20B perform similarly across challenge categories. Based on blind community voting from the RIVAL open dataset of 3+ human preference judgments for this pair.

Web Design: DeepSeek Prover V2 and GPT OSS 20B are tied
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