A method and a system to suggest a content item to be included in a message based on a determined context are provided. A context of a message that user is composing via a composition interface is determined based on one or more properties of the message. One or more inputs to the user composition interface are identified, the one or more inputs indicating at least a portion of intended content of the message. One or more suggested content items are provided for inclusion in the message based on the context of the message and the one or more inputs. A suggested content item of the suggested content items are added in the message based at least in part on the one or more properties of the message.