Tesla is aiming to start the production of Optimus this year, and its first run will be substantial.Optimus has evolved rapidly since its introduction and several dozen humanoid robots were showcased in October 2022.Elon Musk stated that Optimus could be the biggest product of all time and the first humanoid robot has been manufactured at the Fremont Factory.Tesla aims to produce 10,000 to 12,000 Optimus robots this year and 50,000 units, or 10 'legions' of humanoid robots, next year.