Last week, Affirm announced that a new underwriting model built to tell those two apart is live at U. In a conversation with PYMNTS CEO Karen Webster, Affirm President Libor Michalek went past the announcement and into the parts that don’t fit in one: what the old models were missing, who stands to gain the most and what it sets up for Affirm next. “The time dimension of multiple purchases, multiple credit events in a customer’s life wasn’t being represented with particularly high fidelity,” Michalek told Webster. The new one draws on Affirm’s 14 years of lending history and uses transformer technology, the same kind behind large language models, to follow the story in order. Five of the 10 Deserved a Yes Michalek gave Webster an easy way to think about it.