Not true though. Internally they can “shell out” to sub-tasks that know how to do specific things. The specific things don’t have to be models.
(I’m specifically talking about commercial hosted ones that have the capability i describe - obviously your run of the mill one downloaded off of the internet cannot do this).
(I’m specifically talking about commercial hosted ones that have the capability i describe - obviously your run of the mill one downloaded off of the internet cannot do this).