This whole ecosystem is heavily, heavily subsidized by investor money. And so stuff that seems like it has no cost is, in fact, incredibly expensive.
大多数人认为AI服务的低成本或免费是因为技术进步带来的自然结果，但作者认为这种低成本实际上是投资者补贴的产物，本质上是极其昂贵的。这一观点挑战了人们对AI服务经济性的普遍认知，揭示了当前AI商业模式背后的真实成本结构。
Foundation model companies are doing the same. OpenAI launched a dedicated Healthcare & Life Sciences vertical... They're not selling APIs. They're becoming platforms.
基础模型提供商从API供应商向垂直行业平台转型，揭示了AI价值链的根本重构，底层模型公司正通过垂直整合向上游价值链延伸。
Today's large language models (LLMs) are trained to align with user preferences through methods such as reinforcement learning. Yet models are beginning to be deployed not merely to satisfy users, but also to generate revenue for the companies that created them through advertisements.
令人惊讶的是：大型语言模型的训练目标正在从单纯满足用户偏好转向为公司创造收入，这种根本性的转变意味着AI系统可能不再以用户为中心，而是成为商业利益的工具，这反映了AI技术发展的潜在伦理危机。