Speaking at the World Economic Forum in Davos, Switzerland last week, Musk said that Tesla is “planning to make its Optimus robots available for sale to the public by the end of 2027.” That is when Tesla will be confident that the robots will be highly reliable, safe and functional. The robots will be able to perform any task, he said.

Jan 26 (Reuters) - Tesla investors head into earnings on Wednesday looking for evidence that Elon Musk's long-promised self-driving bet is beginning to materialize even as results show growing strain on the company's electric-vehicle business.