Trained on Tickers, Tuned for Trust: The New Frontier of FinTech AI
TL;DR for operators Financial foundation models are not one product category. They are three partly overlapping tool families, and confusing them is how firms end up buying a chatbot and expecting a risk engine. The paper reviewed here offers a useful taxonomy of financial foundation models across language, time-series, and visual-language systems, covering architectures, training methods, datasets, applications, and deployment challenges through June 2025.1 Its practical value is not that it declares a winner. It does something more useful: it shows which parts of financial AI are mature enough for workflow adoption, which are still research-shaped, and where the real bottlenecks sit. ...