From Apple Newsroom:
With the release of iOS 26, iPadOS 26, and macOS 26 this month, developers around the world are able to bring even more intelligent experiences right into their apps by tapping into the on-device large language model at the core of Apple Intelligence.
The Foundation Models framework allows developers to create new intelligence features that protect users’ privacy and are available offline, all while using AI inference that is free of cost.
You can now add intelligence to your apps for free on Apple platforms – and while it’s relatively simple today… that’s only for now.