receiving via a communication interface a request to generate novel text, the request including a natural language input text element identify in natural language one or more parameters for generating the novel text;

retrieving a plurality of records from a database system based on the natural language input text element, the plurality of records corresponding with a plurality of document portions, each of the document portions being selected from a respective document of a plurality of documents, wherein retrieving the plurality of records from the database system comprises transmitting to a remote text generation system an input query comprehension prompt including query comprehension text determined based on the request and receiving from the remote text generation system a completed query comprehension prompt including a description of the request generated by a text generation model implemented at the remote text generation system;

determining an original natural language output text portion generated based on the plurality of document portions and the natural language input text element;

determining via a processor whether the original natural language output text portion is factually supported by the plurality of document portions;

determining an updated natural language output text portion upon determining that a subset of the original natural language output text portion is not factually supported by the plurality of document portions; and

transmitting via the communication interface a response message including the updated natural language output text portion.