Keep sensitive conversations out of view with Locked Chats in ChatGPT. Move chats out of your regular history and search into a protected space you can unlock with a PIN on web and desktop, or a PIN, Face ID, Touch ID, or device unlock on supported mobile devices. New messages sent in locked chats won't update the memory used in your regular chats. Rolling out starting today to Free, Go, Plus, Pro, Business, Enterprise, and Edu plans.