The withdrawal comes amid a rift between the Tesla and SpaceX CEO and the creator of ChatGPT © Apu Gomes/Getty Images

Billionaire entrepreneur Elon Musk has unexpectedly dropped a legal case against OpenAI, shortly after he criticized the tie-up between the creator of ChatGPT and Apple.

Attorneys for Musk asked the California state court to dismiss the lawsuit against the artificial intelligence (AI) research firm without giving a reason for the move, Reuters has reported, citing a filing in San Francisco Superior Court.

The boss of Tesla and X (formerly Twitter) filed the case against OpenAI in February, arguing that the company, which he had helped establish in 2015, had abandoned its founding mission of developing AI for humanity’s benefit and not for profit. OpenAI’s ChatGPT has since become the face of generative AI thanks to investment from Microsoft.

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Musk dropped the case just a day before the court was expected to hear OpenAI’s bid to have it dismissed. The firm described Musk’s lawsuit as a contrived attempt by the tech billionaire to advance his own AI interests, Reuters said, citing court filings.

Musk founded his own artificial intelligence startup last year. Called xAI, it announced in May that it raised $6 billion in funding that would help bring its “first products to market”. xAI has so far launched a generative artificial intelligence chatbot dubbed Grok as a rival to ChatGPT. Grok is available via X.

Earlier this week, OpenAI and iPhone maker Apple unveiled a partnership to boost Siri voice assistant with ChatGPT. The announcement triggered criticism from Musk, who warned that the tie-up would result in an “unacceptable security violation.”

In a post on X, the mogul threatened to ban staff at his companies from using Apple devices if the iPhone maker integrates OpenAI’s artificial intelligence software into its operating systems. (RT)