iOS 27 will let users plug Gemini, Claude, or ChatGPT into Siri via an 'Extensions' system, announced ahead of WWDC on June 8th.
Bloomberg's Mark Gurman reports Apple's iOS 27 will introduce a framework called 'Extensions' allowing third-party AI chatbots — including Google Gemini, Anthropic Claude, and OpenAI ChatGPT — to power Siri responses. Users can enable or disable individual chatbots, with the system working across iPhone, iPad, and Mac. The integration will also connect to a standalone Siri app capable of taking cross-app actions. Apple is expected to announce this at WWDC, kicking off June 8th.
Apple is creating an API surface that lets third-party AI chatbots respond through Siri. That means if your product is built on Claude or Gemini, it could surface natively through the most-used voice assistant on iOS — but only if you build to the Extensions spec. The integration reportedly ties into cross-app actions, which opens agentic use cases beyond simple Q&A.
As as Apple drops the iOS 27 developer beta at WWDC on June 8th, pull the Extensions API documentation and scope out what permissions and data access are exposed — this will define what's buildable at launch.
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