Tesla's Q3 2026 earnings update confirmed early production of production-quality Optimus humanoid robots on high-volume Fremont lines, marking a key manufacturing milestone after converting former Model S/X space. Musk outlined a gradual ramp toward 20,000 units weekly, likely requiring at least a year due to hardware iterations for durability, safety, and reliability, plus AI advances for open-ended tasks. External customer deliveries, focused initially on industrial uses, target late 2027 alongside AI5 chip integration planned for April. A non-scripted demo video is expected in the coming months, while an "Optimus Academy" training fleet aims to boost machine learning generalization. These developments frame trader sentiment around execution risks in scaling a radically new robotics platform amid competitive humanoid efforts.