To access the Google AI Mode home screen, visit google.com/ai. A disclaimer under the search box may appear, stating
Based on your Google activity, but only when signed into a Google account.
This suggests that Google AI Mode utilizes search and conversation history, likely to continue previous chats. The disclaimer's presence is dependent on being signed in, as Google can only access activity history when a user is logged in.
A default suggestion on the AI Mode page may display
Based on your Google activity, as seen in a tweeted image.
Author's note: This post was pre-written and scheduled for publication.
Author's summary: Google AI Mode uses user activity history.