Hi i enabled siri ai with a hack that works without waitlist sudo defaults delete "/Library/Preferences/FeatureFlags/Domain/GenerativeModels.plist" EnhancedSiriWaitlist sudo reboot and after restart it will start working if you occur any problem do this sudo defaults delete "/Library/Preferences/FeatureFlags/Domain/GenerativeModels.plist" EnhancedSiriWaitlist sudo reboot this is the reddit post that helped me https://www.reddit.com/r/Siri/comments/1u21aci/bypass_macos_27_new_siri_ai_waitlist_instantly_no/