GPT OSS 20B vs Qwen3 Coder

Compare GPT OSS 20B by OpenAI against Qwen3 Coder by Qwen, in 40 community votes, qwen3 coder wins 79% of head-to-head duels, tested across 37 shared challenges. Updated February 2026.

In 40 community votes, Qwen3 Coder wins 79% of head-to-head duels. Qwen3 Coder leads in Reasoning, Image Generation, Web Design. Based on blind community voting from the RIVAL open dataset of 40+ human preference judgments for this pair.