Tesla Optimus Hits Reliability and Dexterity Hurdles Despite Production Surge

Tesla has ramped up Optimus production from a few dozen per week in the second quarter to several hundred per week last month, targeting 1,000 units per week by year-end. But the company is reportedly still grappling with fundamental dexterity and reliability challenges.

Hand assembly remains a bottleneck

According to reports by The Information, the Optimus hand and forearm comprise more than 100 screws and tiny components, requiring manual assembly. While CEO Elon Musk has boasted the bipedal robot would have human-level hand dexterity, the appendage assembly has been plagued by problems. The hand is proving difficult for Tesla to master at scale.

Supplier quality and rework

Tesla reportedly relies on suppliers in China for some components, some of whom struggle with quality at scale. As a result, some Optimus units have to be reworked after leaving the assembly line. Tesla is working around this by developing a swappable "sensing glove" to make repairs less cumbersome.

Learning curve for unfamiliar tasks

Getting the humanoid to behave as intended is another uphill battle. Optimus reportedly functions properly with tasks it has been programmed for, but is clueless in unfamiliar territory. The robot has not proven to be a fast learner — it takes several days to train it for basic jobs. Tesla plans to address this by initially leasing the robot to companies where it will collect data for further training.

Production targets and Texas factory

Tesla plans to ship 20,000 Optimus robots from the former Model X and Model S factory line in Texas. The short-term goal is to increase output to 1,000 units per week before the end of 2026. Musk still believes Optimus will be Tesla's biggest product ever, but the path to reliable, dexterous humanoids at scale remains steep.

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