What surely is the first time in its 50-year history, Apple has sued its close partner, one that it shared stage with at iPhone launch and whose technology company used inside iPhones. Apple has sued ChatGPT-maker OpenAI for trade secret theft.

Apple on Friday accused OpenAI of stealing trade secrets as it seeks to build its own hardware for ChatGPT, a major rupture in a partnership between the iPhone maker and the…

Apple has lost significant talent to OpenAI as the frontier lab prepares to unveil its first hardware device.