Tesla's Optimus humanoid robot program centers on internal production ramp-up at the Fremont factory, where lines converted from Model S/X assembly are now installing equipment for Gen 3 units designed for mass manufacturing. Recent investor updates confirm initial builds will support data collection and learning inside Tesla facilities rather than immediate productive tasks, with Musk noting the project remains in early stages and output will start slowly due to the complexity of roughly 10,000 unique components. Supply-chain reports indicate orders scaling toward thousands of units, while external commercial sales target late 2027 after reliability and safety thresholds are met. Key near-term catalysts include further Fremont ramp details in upcoming earnings calls, potential Gen 3 unveil timing, and progress at the planned Gigafactory Texas facility aimed at higher volumes.