You cannot fully turn off Meta AI on Facebook, Instagram, or WhatsApp
You can reduce Meta AI visibility by avoiding Meta AI chats and features
On Facebook and Instagram, remove or mute Meta AI chats if available
On WhatsApp, delete the Meta AI chat if it appears in your chat list
In app settings, review privacy and AI-related options and disable any available AI suggestions or features
Limit data sharing and ad personalization in your Meta account settings
Use the latest app version, since available controls may vary by region and update
If you want, I can give platform-specific steps for Facebook, Instagram, or WhatsApp