Apple has had a complicated relationship with AI. Siri has been a punchline for years, and the Apple Intelligence rollout stumbled out of the gate. The company has been leaning on OpenAI’s ChatGPT to fill the gaps ever since iOS 18. That arrangement gave OpenAI a unique spot on over a billion iPhones. But Mark Gurman’s latest Bloomberg report says iOS 27 third-party AI support is set to blow that exclusivity wide open. The plan reportedly lands this fall alongside iOS 27, iPadOS 27, and macOS 27. It lets users pick AI models for tasks across Apple Intelligence, covering Siri, Writing Tools, and Image Playground. How Apple’s Extensions System Works Apple is calling the feature “Extensions” internally. Install a supported AI app and it shows up in your settings, ready to handle specific tasks. Gurman’s report builds on an earlier March leak we covered when it first surfaced .…