Musk first sued OpenAI in 2024, but the seed of the dispute was planted when Sam Altman emailed the billionaire on the evening of May 25, 2015. "Been thinking a lot about whether it's possible to stop humanity from developing AI. I think the answer is most definitely not," Altman wrote at the time. "If it's going to happen anyway, it seems like it would be good for someone other than Google to do it first. Any thoughts on whether it would be good for [Y Combinator] to start a Manhattan Project for AI?" "Probably worth a conversation," Musk responded a couple of hours later. That same year, Ope