A method and system for facilitating text input is disclosed. The method comprises: invoking an input assistant from within an application in an operating environment at a client, the input assistant being a standalone input service within the same operating environment as the application, receiving a text string from a user in an input field of the application, providing, by the input assistant, input prediction for completing the text string, selecting an input text of at least one word in the input field of the application, retrieving, by the input assistant, text content related to the input text from one or more text assistance services in communication with the input assistant, presenting the received text content to the user for assistance in the user's text input.