Tesla clears car line in 46 days to build 20,000 robots weekly

Tesla has begun assembling its Optimus humanoid robots on a high-volume line at its Fremont, California factory. The company states that the units leaving this line are the first to meet the quality standards required for a commercial product. In a third-quarter shareholder letter, Tesla noted that it has proven the current manufacturing process is suitable for a commercial product.

The production line occupies space previously used to build the Model S and Model X vehicles. Tesla cleared that vehicle line in 46 days this spring to make room for robot production capacity designed for one million units per year. During Wednesday’s earnings call, CEO Elon Musk said most of the equipment needed for that capacity is already installed in Fremont. Output is set to climb toward roughly 20,000 robots per week as the line ramps up.

Musk described the production ramp as a classic S-curve, noting that the initial slope is shallow. The team is currently refining the robot’s artificial intelligence, electromechanical design, reliability, and service life. Musk expects this work to be finished by the end of next year. At that point, Tesla plans to start delivering Optimus units to outside companies for dangerous, repetitive, and around-the-clock jobs.

A key challenge for Tesla is training the robots without a large fleet of units already in operation. Unlike its cars, which send real driving data from millions of vehicles, Optimus lacks a comparable data source. Musk explained that a major difference between Optimus and the cars is the absence of a vast fleet to gather training data. Tesla’s solution is an internal program called the Optimus Academy.

The Optimus Academy will use between 10,000 and 20,000 robots to practice a wide range of tasks. These units will feed what they learn into the next version of the model. Every unit produced on the Fremont line will serve as a source of this training data. Tesla also plans to integrate its AI5 chip into Optimus next year.

Musk said a new video demonstrating the robot completing tasks driven by AI rather than preprogrammed motions should arrive within one or two months. He criticized rival humanoid demonstrations that rely on scripted routines, arguing that those methods would not hold up in the real world.