Disclosed herein are systems, methods, and non-transitory computer-readable storage media for suggesting and inserting automated assistants in a graphical user interface for managing communication sessions. A system for suggesting an automated assistant generates a first vector describing a current context of a current communication session, and generates a comparison of the first vector and a second vector associated with a past context of an automated assistant in a past communication session. Then, if the comparison exceeds a similarity threshold, the system suggests the automated assistant to at least one user in the current communication session. Optionally, the system can predictively insert the automated assistant in a communication session if the comparison exceeds a similarity threshold. The graphical user interface for managing communication sessions displays automated assistants in a same manner as human participants.