美国国会研究服务处：2026年陪伴型AI聊天机器人报告：概况、应用场景及美国国会参考考量（英文版）

A chatbot is an application or a program that simulates human conversation by generating responses to user prompts. While chatbots1 have existed for approximately 60 years, technical advances in artificial intelligence (AI) have expanded their uses over the last 10 years from customer service to emotional support. This has generated interest regarding the purpose of certain types of chatbots and their potential effect on users. For example, some use of AI chatbots has reportedly been linked t