The Tesla boss unveiled upgraded versions of Optimus at Robotaxi Day and predicted the robots will be "the biggest product ever of any kind."

On Thursday night, Tesla threw a highly anticipated media event at Warner Bros. studios near Los Angeles and unveiled a prototype robotaxi that Musk calls the Cybercab. Consumers will have to wait on that one since Musk says it’s still 2-3 years away, just as it has been for the past decade.

Musk said the bots can “basically do anything you want” – like mowing your lawn, cleaning the kitchen after dinner, babysitting your kids or just being a friend — and will cost less than a