Apple is opening its artificial intelligence (AI) tools to third-party developers, revealed at the Worldwide Developers Conference. While rival companies focus on vast AI ambitions, Apple is underscoring modest, useful updates like live translations for phone calls and integrating its own and OpenAI's tools into developer software. Apple software chief, Craig Federighi, highlighted permissive app access to Apple's on-device, large language model. Despite regulatory and technical hurdles, Apple remains modest in its AI propositions.