Elon Musk and Sam Altman lead rival AI firms and now take public jabs at each other — but it wasn't always like this. Years ago, the two cofounded OpenAI, which Altman now leads. Musk departed ...

Elon Musk launches $97bn bid to buy ChatGPT-maker OpenAI A group led by Elon Musk has made a $97.4bn (£78.7bn) bid to buy OpenAI just months after the X owner sued the artificial intelligence ...