Elon Musk has a bone to pick with Apple.
In a series of tweets late Monday night, Musk said xAI would take legal action against Apple for what he says is its bias toward OpenAI on the App Store.
“Apple is behaving in a manner that makes it impossible for any AI company besides OpenAI to reach #1 in the App Store, which is an unequivocal antitrust violation,” Musk wrote in an X post. “xAI will take immediate legal action.”
In a post earlier on Monday, he asked why the App Store hadn’t placed X higher in its rankings. Musk said X deserved the spot because it is “the #1 news app in the world.”
“Are you playing politics? What gives? Inquiring minds want to know,” Musk wrote.
xAI and Apple didn’t respond to requests for comment from Business Insider.
At press time, OpenAI’s ChatGPT is ranked first on the App Store. Grok is ranked fifth.
“Unfortunately, what choice do we have? Apple didn’t just put their thumb on the scale, they put their whole body!” Musk wrote on X on Monday.
OpenAI CEO Sam Altman responded to Musk’s threats on Monday.
“This is a remarkable claim given what I have heard alleged that Elon does to manipulate X to benefit himself and his own companies and harm his competitors and people he doesn’t like,” Altman wrote on X.
Altman said the ChatGPT maker would remain “focused on making great products.”
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But Musk was not done.
“Apple behaves like it’s owned by OpenAI — why?” Musk wrote on X on Tuesday morning. He was responding to a post containing several screenshots of banners from the App Store featuring ChatGPT.
Musk and Altman cofounded OpenAI in 2015. Musk left its board in 2018. Since then, Musk has become a vocal critic of Altman’s leadership of OpenAI.
In February 2024, Musk filed a lawsuit against OpenAI, accusing it of violating its nonprofit mission when it partnered with Microsoft. He withdrew the lawsuit in June 2024, only to refile it two months later.
Musk has previously leveled criticism at Apple and the App Store. In May 2022, Musk slammed the 30% fee Apple takes from sales on the App Store. Musk said Apple’s fee was a “tax on the Internet” and “literally 10 times higher than it should be.”
After acquiring Twitter in October 2022, Musk accused Apple of censorship and monopolistic practices.
“Apple has mostly stopped advertising on Twitter. Do they hate free speech in America?” Musk wrote on X on November 28, 2022.
“Apple has also threatened to withhold Twitter from its App Store, but won’t tell us why,” he wrote in a follow-up post, amid concerns that Musk’s loosening of Twitter’s content moderation policies could run afoul of Apple’s content restrictions.
The dispute was resolved after Musk met with Apple CEO Tim Cook. Musk said in an X post on November 30, 2022, that he had a “good conversation” with Cook and that they had “resolved the misunderstanding about Twitter potentially being removed from the App Store.”
“Tim was clear that Apple never considered doing so,” Musk said.