iOS 26 includes multiple new Apple Intelligence features, but one of the biggest changes is that Apple has opened up its AI models to third-party developers. In a new press release today, Apple highlights several popular third-party developers who have leveraged the new Foundation Models framework to power new features in their apps. The in-app experiences they’re creating are expansive and creative, showing just how much opportunity the Foundation Models framework opens up. Austin Blake, the developer of Stuff, said access to Foundation Models in IOS 26 has been a game changer:“The Foundation Models framework in iOS 26 has been a game changer for new workflows in Stuff. Our visuals have always been interactive, but with the Foundation Models framework, the text itself comes alive.