Elon Musk's xAI is suing Apple and OpenAI over alleged favoritism in artificial intelligence apps. It accused Apple and OpenAI of an "anticompetitive scheme" and alleged the two companies "colluded."

Elon Musk on Monday targeted Apple and OpenAI in an antitrust lawsuit alleging that the iPhone maker and the ChatGPT maker are teaming up to thwart competition in artificial intelligence.

Mr. Musk’s artificial intelligence company, xAI, claimed that its Grok chatbot app was being artificially suppressed in Apple’s App Store.