Apple is preparing a significant shift in its software strategy with the upcoming release of iOS 27, aiming to provide iPhone users with unprecedented control over their artificial intelligence experience. Internal developments suggest that the company is building a flexible framework that will allow users to select from a variety of third-party large language models to power core system functions. This initiative, referred to internally as “Extensions,” is designed to integrate generative AI capabilities directly into native features like Siri, Writing Tools, and Image Playground.

By allowing these models to function on-demand through installed applications, Apple is moving toward a “choose your own adventure” model for its user interface. Testing is currently underway for integrations with major AI providers, including Google and Anthropic, while OpenAI’s ChatGPT is expected to remain a prominent option within the ecosystem. This functionality is also slated to extend across the company’s broader product lineup, with similar implementations planned for iPadOS 27 and macOS 27.

This strategic pivot comes as the company prepares for a leadership transition, with John Ternus poised to take over as CEO from Tim Cook. While some industry analysts have suggested the tech giant is trailing competitors in the rapid deployment of standalone AI services, the company appears to be focusing on a different approach. Rather than heavily investing in the infrastructure of massive, proprietary data centers, Apple is prioritizing the optimization of its existing hardware to deliver a seamless, AI-centric experience that leverages the unique strengths of various third-party models.