Determining reply content for a reply to an electronic communication

A method implemented by one or more processors, the method comprising:

• identifying an electronic communication that is formulated by a sending user and sent to a receiving user;
• before the receiving user has viewed or otherwise consumed the electronic communication:
• determining one or more message features of the electronic communication;
• determining, based on processing the one or more message features using a trained machine learning system, multiple suggested textual replies that are appropriate for replying to the electronic communication, wherein the multiple suggested textual replies include at least a first textual reply and a second textual reply;
• determining, based on the processing, to provide at least the first textual reply and the second textual reply as suggestions for replying to the electronic communication;
• before the receiving user has started typing, via a client device, any reply to the electronic communication:
• causing the client device to present the first textual reply and the second textual reply along with a presentation of the electronic communication, wherein the first textual reply and the second textual reply are each selectable.

A system, comprising:

• memory storing instructions;
• one or more processors executing the instructions stored in the memory to:
• identify an electronic communication that is formulated by a sending user and sent to a receiving user;
• determine one or more message features of the electronic communication;
• determine, based on processing the one or more message features using a trained machine learning system, reply content that is appropriate for replying to the electronic communication, wherein the reply content indicates a plurality of unique n-grams that have similar semantic meanings;
• select, from the plurality of unique n-grams and based on the determined reply content indicating the plurality of unique n-grams, a given n-gram to provide as a suggestion for replying to the electronic communication;
• and
• before the receiving user has started typing, via a client device, any reply to the electronic communication:
• cause the client device to present, along with a presentation of the electronic communication, the given n-gram as a selectable suggestion for inclusion in a reply to the electronic communication.