Google has expanded Smart Compose from Pixel phones to most other Android smartphones. And while it can be handy, it can also be annoying if the suggestions are off. If you don’t like it, turning it off is a simple process.
Smart Compose shouldn’t be confused with Smart Reply. Smart Reply will examine the email you have received and suggests quick replies that would be appropriate. An email that asks for a meeting tomorrow might lead to a Smart Reply suggestion of, “that would be great” and so on.