WhatsApp has added AI-powered private summaries for messages as Meta looks to further integrate AI into its social media platforms.

The tool will be able to “privately and quickly” summarise the contents of unread messages for users at the top of the chat window.

WhatsApp has used an end-to-end encryption model for messages since 2016 that means third parties cannot covertly intercept or read them. Meta said the AI functionality would not compromise the encrypted features, with message summaries using “Private Processing technology” that allows Meta AI to generate a response without Meta or WhatsApp seeing the messages themselves or the private summaries.

The feature is also off by default, with users able to switch it on through the Advanced Chat Privacy settings.

It is initially rolling out just for English-speaking users in the US, although Meta plans to launch it in more countries and languages later this year.

The broader Meta AI platform was introduced into the app in March, with...