ChatGPT adds locked chats that are hidden behind a PIN or device authentication

ChatGPTProduct changeConfirmed

OpenAI introduced locked chats in ChatGPT.

A locked chat stays in your account but is hidden from regular chat history, pinned chats and search.
You open locked chats with your 4-digit account PIN or supported device authentication, and your retention and model-improvement settings stay unchanged.
To lock a chat, open its more options menu and select Lock chat.

Who can use it: Rolling out gradually to Free, Go, Plus and Pro users on the web, in the iOS and Android apps, and in the new ChatGPT desktop app for macOS and Windows.
When: Announced October 20, 2026 and rolling out gradually. OpenAI gave no completion date.

ChatGPT release notes Announced 2026-10-20 · date only

Read the official announcement for access details. Availability can depend on your plan, region or workplace settings.

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