With its new Apps SDK built on the Model Context Protocol, developers can build data-connected apps that live within ChatGPT.

In an interview, OpenAI's Head of ChatGPT discusses the company's push into developing an AI operating system full of third-party apps.

os.path.join (folder, filename) ensures the path is correct for the system. On Windows, it uses backslashes (reports\summary.txt); on Linux and macOS it uses forward slashes (reports/summary.txt).