Selfin is building what it calls the first AI Bank, an all-in-one financial platform where users can connect financial products such as credit, investments, crypto, 401k and savings and receive personalized AI-powered recommendations. The company is starting with an AI-powered assistant that uses financial agents to automate money management, with the ultimate goal of building an AI-native neobank in the US. Selfin is based in San Francisco and is part of Y Combinator's Fall 2025 batch.