iOS 18 is tipped to launch as the first ever 'AI-centric' UI for iPhones - however, the new features in question may not come direct from Apple. The Cupertino giant is reportedly in talks with more established companies such as Google and OpenAI to integrate one or more of their models into its OS instead. The potential advantages of such a move are thought to outweigh the possible downsides for the tech behemoth.