There's a new company at the center of the intensifying battle between Elon Musk and Sam Altman: Apple.

Musk and Altman, who helped start OpenAI a decade ago with a group of other co-founders, had a public falling out that led to a legal fight last year, with Musk accusing Altman of breach of contract for abandoning the artificial intelligence company's founding mission.

The back-and-forth war of words and lawsuits took another dramatic turn on Monday, when Musk threatened Apple with "immediate" legal action over alleged antitrust violations. Musk's complaint, which he voiced on his social media site X, is that Apple favors OpenAI's ChatGPT over X's Grok chatbot in the App Store.

"Apple is behaving in a manner that makes it impossible for any AI company besides OpenAI to reach #

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