An information processing device includes a processor configured to acquire provision information and subject information, the provision information being information related to at least one of a source that provides a sentence and a destination that indicates where the sentence is written, and the subject information being information related to a subject about which the sentence is generated, and estimate a sentence length for the subject associated with the provision information by inputting the acquired provision information and the acquired subject information into a length estimation model trained to learn the lengths of past sentences for subjects associated with past provision information and past subject information.
INFORMATION PROCESSING DEVICE AND NON-TRANSITORY COMPUTER READABLE MEDIUM