Abstract: Methods, systems, and computer program products for product description-based line item matching are provided herein. A computer-implemented method includes obtaining a digital invoice from a vendor comprising one or more text descriptions; retrieving a purchase order corresponding to the digital invoice from a purchase order database, wherein the purchase order comprises one or more line items; applying an out-of-vendor vocabulary model to the one or more text descriptions, wherein the out-of-vendor vocabulary model is trained to remove irrelevant text from the text descriptions based at least in part on historical purchase orders stored in the purchase order database corresponding to the vendor; and matching the one or more text descriptions from the digital invoice to the one or more line items in the purchase order based at least in part on output of the out-of-vendor vocabulary model.