Elon Musk 's xAI is a "failure" that will be unable to compete on the frontier of artificial intelligence, Yann LeCun, founder of AMI Labs, told CNBC, as he laid out his view on what could cause a "big bubble explosion" in the industry. LeCun's comments renew a long-running spat with Musk and cast doubt over valuations of some of the world's biggest AI companies. LeCun, who was previously Meta' s chief AI scientist, has clashed with Musk over the past few years on topics ranging from AI to what