ChatGPT wants to act more like an OS -- as it transforms into an app platform

ChatGPT is evolving beyond its initial chatbot role to become more like an operating system, similar to Mac, Windows, or Android. This transformation was highlighted at OpenAI DevDay 2025, showcasing its ambition to serve as a versatile app platform. This shift is significant as it opens up new possibilities for developers and users alike, potentially enhancing productivity and user experience.