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Have you ever wondered if talking to AI about things you don't want others to know will be recorded?
Meta clearly recognized this issue. This Wednesday, they announced the launch of a "Private Chat" feature in WhatsApp — users can start a completely private conversation with Meta AI, which runs in an isolated secure environment where no one can view it.
How to use it? In the dedicated chat interface between WhatsApp and Meta AI, click on the new private icon to activate it. The standalone Meta AI app will also support this feature, which is expected to be rolled out over the next few months.
This private mode does not save any content — once you close the chat window, messages disappear automatically; when you exit the app or lock your screen, the entire session ends, and the AI will not retain any context memory.
Alice Newton-Rex, Vice President of WhatsApp products, explained the logic behind it: "People now ask AI anything, including very private matters like financial and health issues, or how to respond to a difficult message. We believe it's really important for people to be able to ask questions as privately as possible."
In fact, Meta has been preparing for this for quite some time. Last year, they released a "Private Processing" infrastructure specifically designed to develop AI features without compromising end-to-end encryption. The AI message summary feature previously launched by WhatsApp used this architecture — though it ran a lightweight model at that time. This time, the private chat uses Meta's latest flagship model, Muse Spark, released last month, with full computing power specifications.
Meta is also developing a feature called "Side Chat": users can quietly ask AI questions in group chats, and the answers will only be visible to themselves, while others remain completely unaware. Currently, if you need AI help in a group chat, you have to copy the content and open a separate window to ask, which is very inconvenient.
Naturally, Meta is not the first to enter this space. ChatGPT and Claude already have private modes, and DuckDuckGo and Proton have also launched AI products focused on privacy protection.
However, Meta's timing for entering this field is rather delicate. Just last month, Reuters cited the views of several lawyers stating that conversations between users and AI chatbots could be used as evidence in court. In this context, the "burn after reading" private mode is more than just a simple feature update.