ChatGPT adds PIN and Face ID locking for private chats

By Splitfeed EditorialLast updated Oct 21, 2026, 02:50 UTC

On October 20, 2026, OpenAI rolled out a locked chats feature for ChatGPT, giving users the option to secure individual conversations behind either a numeric PIN or Face ID biometric authentication. The feature works across platforms and is designed, in OpenAI's own framing, for situations where a user hands their device to someone else to show a different chat, while keeping personal or sensitive conversations out of view. A report from Startup Fortune noted that hidden code in the app had revealed the feature was in testing before the public launch, indicating a period of internal development that preceded the October 20 rollout.

The feature sits at the intersection of AI utility and personal privacy, two areas that have grown increasingly tangled as AI assistants accumulate more intimate user data. Unlike broader account-level security, this is conversation-level locking, which means users can share a device without surrendering access to specific threads. That granularity is notable. It also implicitly acknowledges that ChatGPT conversations can contain genuinely sensitive material, whether personal disclosures, financial planning, health questions, or private communications, and that users have a reasonable interest in compartmentalizing that content from casual bystanders.

None of the three camps had published reactions at the time of writing. Pro-AI commentators would typically welcome this kind of update as evidence that AI companies are listening to user concerns about privacy and building practical safeguards into products. Anti-AI voices would likely argue that locking individual chats does not address deeper concerns about how OpenAI stores, processes, or uses conversation data on its own servers, and that local PIN protection is a surface-level gesture. Middle-ground observers would probably treat the feature as a modest but reasonable step, while noting that meaningful privacy would require stronger guarantees about data handling beyond the device itself.

The argument that would move this debate is whether OpenAI pairs this feature with any backend changes, such as stronger encryption of stored conversations or expanded user controls over data retention. Any announcement on that front would determine whether locked chats is a substantive privacy measure or primarily a convenience feature for device-sharing moments.