OpenAI adds PIN and biometric-protected Locked Chats to ChatGPT across consumer and enterprise plans
OpenAI announced on 2026-10-20 a Locked Chats feature for ChatGPT. It lets users hide sensitive conversations behind a four-digit PIN, or Face ID / Touch ID on supported devices, for cases where others can see their screen or handle their device. The feature is a local privacy control, not a security boundary: OpenAI states it does not pr…