Elon Musk has stepped up his ongoing feud with ChatGPT-maker OpenAI with a revived lawsuit against the firm, adding Microsoft as a defendant. Mr Musk, a co-founder of the artificial intelligence (AI) company, accused it and the tech giant of operating a monopoly in an amended legal complaint on Thursday.

Elon Musk has filed an amended complaint against OpenAI, accusing the company — and its close partner, Microsoft — of anticompetitive dealings.

After joining with Mr. Musk to create OpenAI in 2015 and pledging to carefully develop artificial intelligence for the benefit of humanity, the suit claimed, Mr. Altman and Mr. Brockman abandoned this mission by entering its multibillion-dollar partnership with Microsoft.

On Tuesday, President-elect Donald Trump picked Musk and biotechnology company founder Vivek Ramaswany to lead a new Department of Government Efficiency, whose acronym echoes dogecoin's name. The case is Gorog et al v. Musk et al, U.S. District Court, Southern District of New York, No. 22-05037.

Elon Musk has amended his lawsuit against OpenAI, adding more anti-trust claims against the company and including Microsoft as a defendant. He also added his company, xAI, as well as Shivon Zilis, a former OpenAI board member and mother to three of his children,

In an amended lawsuit filed in a San Francisco court late Thursday, Musk made fresh antitrust claims against OpenAI, the ChatGPT creator he helped found, and added Microsoft and v

Billionaire entrepreneur Elon Musk expanded his lawsuit against ChatGPT maker OpenAI, adding federal antitrust and other claims and adding OpenAI's largest financial backer Microsoft as a defendant. Musk’s amended lawsuit,

Elon Musk has added Microsoft to an amended lawsuit against OpenAI, accusing the ChatGPT maker of starving rivals of AI talent.

The new lawsuit includes a detailed list of the ways OpenAI CEO Sam Altman manipulated the world's richest man.