Ruby on Rails创始人David Heinemeier Hansson在Rails World 2026大会主题演讲中宣布，他正在使用大语言模型进行代码生成，并将旗舰产品Hey从Rails框架迁移到Rust后端和原生应用1。Hansson声称自己已从职业程序员身份退休，现自称为"制造者"1。他表示Ruby代码仅占其今年工作量的3%，而过去二十年约占50%1。
Hansson在演讲中公布的数据显示，他在8月份写了150,000行代码，相比此前年均30,000行1。他预测"到年底，几乎所有领域、几乎所有程序员、几乎所有公司"都会采用AI代码生成方法，并声称手写代码将在年底前对绝大多数程序员不再具有经济效益1。Hey Next后端相比现有版本"需要99%更少CPU，95%更少内存"1。
对此的批评观点认为Hansson的论证存在逻辑漏洞。评论指出150,000行Rust代码与30,000行Ruby代码不可直接对比1。此外，Hansson承认Basecamp 5架构"像瑞士奶酪"，将问题归咎于未审查的模型输出1，这引发了对其AI代码生成战略有效性的质疑。
David Heinemeier Hansson announced at Rails World 2026 that he is migrating the flagship product Hey from the Rails framework to a Rust backend and native applications while increasingly relying on large language models for code generation 1. During his keynote address, Hansson claimed that hand-written code will cease to be economically viable for the vast majority of programmers by year's end 1. He stated that he has transitioned from his identity as a professional programmer to that of a "maker," noting that in August alone he wrote 150,000 lines of code compared to his historical average of 30,000 lines per year 1. Ruby code now comprises only 3 percent of his work this year, down from approximately 50 percent over the past two decades 1.
The performance improvements attributed to the Hey Next backend are substantial: the new version requires 99 percent less CPU and 95 percent less memory than the existing version 1. However, Hansson acknowledged that the Basecamp 5 architecture resembles "Swiss cheese" due to unreviewed model outputs 1. Critics have raised concerns about the validity of Hansson's comparisons, noting that 150,000 lines of Rust code cannot be directly equated with 30,000 lines of Ruby code 1. Hansson predicts that by year's end, nearly all sectors, virtually all programmers, and almost all companies will adopt similar AI-driven development approaches 1.
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