Instead of cars, the facility will focus on building 'Optimus', Tesla's humanoid robot. 'It's time to basically bring the Model S and X programmes to an end with an honourable discharge,' Musk said. Currently, the Model S starts at about $95,000 (£75,000), while the Model X is around $100,000 (£79,000). The Rise of the Optimus RobotWith the car production lines shutting down, the spotlight is now firmly on Optimus, Tesla's bipedal, intelligent robot. Factories Gear Up for Mass ProductionTo meet the ambitious goals for Optimus, Tesla is expanding its manufacturing capabilities.