The billionaire accused Apple of boosting his rival OpenAI’s visibility over his xAI chatbot Grok, and threatened legal action on antitrust grounds.

Elon Musk says his AI startup, xAI, will sue Apple for allegedly rigging its App Store to favor competitors—a move he called a clear antitrust violation. In a series of posts on X, the social media platform he owns,

Apple last year partnered with OpenAI to integrate its ChatGPT chatbot into iPhone, iPad, Mac laptop and desktop products.