Altman (pictured) said Musk was not 'a happy person' - after the Tesla boss launched a near-£80bn offer for the ChatGPT maker.

This maxim guides potentially trillions of dollars of capital, investor glee and pain, and the clout of OpenAI boss Sam Altman and his nemesis Elon Musk. Their years-long feud cranked up on Monday, when the Tesla (TSLA.

OpenAI CEO Sam Altman mocked Tesla chief Elon Musk on Tuesday, saying he operates from a "position of insecurity."

OpenAI boss Sam Altman has reiterated the AI giant is “not for sale” after an Elon Musk-led group of investors offered more than 97 billion dollars (£78.4bn) for the firm. After news of the 97.4bn dollar offer for OpenAI broke on Monday night, Mr Altman said on X: “No thank you but we will buy twitter for 9.74 billion dollars if you want.”

Elon Musk has branded Sam Altman as a "swindler", after the OpenAI boss rejected his $97.4bn offer to buy the AI start-up.

Musk attorney Marc Toberoff said he submitted the bid to OpenAI’s board of directors, according to the Journal. “No thank you, but we will buy Twitter for $9.74 billion if you want,” OpenAI chief Sam Altman wrote in a post on X,

After claiming he led a group of investors to purchase OpenAI, the creator of ChatGPT, Elon Musk said he would drop its bid if the artificial intelligence leader remained a nonprofit.

There is no OpenAI antitrust conspiracy, Altman tells Musk in their latest lawsuit volley. And Musk is hardly a "harmed' party, Altman also argues.

OpenAI CEO Sam Altman has rejected rival Elon Musk's takeover bid of over $97 billion. Altman stated, “We are not for sale” during an AI summit in Paris. The bid marks a new chapter in the ongoing rivalry between Altman and Musk,