Users invest time in valuable AI conversations that disappear when browsers close. A dedicated saver would preserve this knowledge.
Build a browser extension or app that automatically captures and indexes AI chats from major platforms. Add search and tagging.
Heavy ChatGPT users would pay for this, especially professionals using AI for work. Freemium with paid organization features.
The MVP could just save plaintext logs from a few platforms. Risk is platforms adding this feature natively.
The biggest risk is API changes breaking integration.