Elon Musk said Tesla's long-term goal is to manufacture 1 million Tesla Optimus robots at its California plant. SOPA Images/LightRocket via Getty ImagesKey FactsIn premarket trading early on Thursday, Tesla’s shares rose $444.70, up more than 3.3% from Wednesday’s closing. Musk said their long-term goal is to manufacture 1 million units of the unreleased robot at the California plant. “That is slightly sad, but it is time to bring the S and X programs to an end and shift to an autonomous future,” Musk added. In its earnings presentation deck for shareholders, the company said, “Tesla is products and services that bring AI into the physical world.