Affirm Launches Transformer-Based Underwriting Model in US

07:54 AM EDT, 09/17/2026 (MT Newswires) -- Affirm (AFRM) said Thursday it has launched a transformer-based machine-learning model for credit underwriting in the US. The model analyzes and learns from the order and timing of events in a consumer's credit history, the company said. Its initial deployment, the model approved applications that would otherwise have been declined, which resulted in a 3.4% increase completed purchases and loans that performed better than a comparable expansion under a previous machine learning model, Affirm said. The new model is live at checkouts in the US, the company said. Affirm shares rose 5.6% in premarket trading.