You cannot fully disable Meta AI in WhatsApp
You can ignore the Meta AI chat and not use it
You can delete the Meta AI chat from your chat list
You can mute the Meta AI chat
You can archive the Meta AI chat
You can clear the Meta AI chat history
You can remove Meta AI from the search bar by avoiding AI prompts
You can turn off WhatsApp notifications for Meta AI if available on your device
You can check for WhatsApp settings updates in case Meta adds a disable option later