Siri

iOS 27 and macOS Golden Gate have private hooks that let apps add Siri Extensions and replace Siri AI’s server backend with third-party models.First, here’s Claude running as a Siri Extension using the Model Delegation API in App Intents. Claude can appear in Siri’s “Ask…”… pic.twitter.com/OXKHQ4hDY8— pdfu (@itspdfu) September 13, 2026