Stack Overflow, the world's largest software Q&A (SQA) website, is facing a significant traffic drop due to the emergence of generative AI techniques. ChatGPT is banned by Stack Overflow after only 6 days from its release. The main reason provided by the official Stack Overflow is that the answers generated by ChatGPT are of low quality. To verify this, we conduct a comparative evaluation of human-written and ChatGPT-generated answers. Our methodology employs both automatic comparison and a manual study. Our results suggest that human-written and ChatGPT-generated answers are semantically similar, however, human-written answers outperform ChatGPT-generated ones consistently across multiple aspects, specifically by 10% on the overall score. We release the data, analysis scripts, and detailed results at https://anonymous.4open.science/r/GAI4SQA-FD5C.

翻译：Stack Overflow，全球最大的软件问答网站，正因生成式AI技术的兴起而面临流量大幅下滑。ChatGPT在其发布仅6天后便被Stack Overflow封禁。官方给出的主要理由是ChatGPT生成的答案质量低下。为验证这一说法，我们对人类撰写的答案与ChatGPT生成的答案进行了对比评估。我们的方法同时采用了自动对比和人工研究。结果表明，人类撰写的答案与ChatGPT生成的答案在语义上相似，但人类撰写的答案在多个维度上始终优于ChatGPT生成的答案，尤其在总体得分上高出10%。我们将数据、分析脚本及详细结果公布于https://anonymous.4open.science/r/GAI4SQA-FD5C。