Comparative Analysis: Tesla’s Optimus Robot vs. CATL’s Moz Humanoids in Industrial Automation

Daily Technology

23/12/2025

Introduction

Robotics has taken a clear step forward in factories, especially with machines that look and move like people. Tesla is still refining its Optimus robot, while CATL already runs Moz (nicknamed Xiaomo) units on its shop floor. The paragraphs that follow weigh the two projects by what has been shown in public - where each machine works, how well it works plus what changes it brings to production.

Where Each Robot Stands Today

Tesla keeps the spotlight on Optimus with frequent video clips - yet outsiders continue to question how much of the motion is remote-controlled and whether any unit has ever worked unaided on a real line. No independent source has confirmed large numbers of Optimus machines inside Tesla plants. CATL, on the other hand, states that Moz robots are already at work in the Zhongzhou battery pack hall in China. Public reports say those units carry out end-of-line checks but also high-voltage electrical tests on the shop floor.

How Well the Robots Perform

CATL publishes that Moz succeeds in 99 of every 100 high voltage plug-in cycles, a critical step in battery production. The unit checks whether each wire harness is seated, flags any fault and switches to inspection mode on its own. People once performed this job as well as faced the danger of high voltage. Company figures also show one Moz robot completes three times the tasks of a human worker in a shift because it never pauses. This raises both output and repeatability. Tesla has not released comparable factory data for Optimus - the prototype has yet to match Moz in verified, round-the-clock production.

Design or Technology

Moz draws power from a CATL battery and was designed with Spirit AI. A single “Vision-Language-Action” model lets the robot see, interpret plain language commands and move. The arm also fingers are agile enough to cope with a plug or tool that sits slightly off position - safety and quality stay within spec. Optimus has shown fluid motion in staged demos, but Tesla has released fewer technical details next to no independent audit of day-to-day factory use.

Impact on Industry and Labor

The arrival of Moz on a working line shows that Chinese plants now seek human shaped automation at scale. The move supports the idea of “dark factories” that run with almost no people. How this will alter jobs or standards elsewhere is still unknown - yet CATL has already moved farther than any publicly documented Tesla deployment.

Conclusion

From what has been disclosed, Moz is ahead of Optimus in real factory use, measured throughput plus confirmed effect on automation. As other manufacturers study both projects, they will watch for hard numbers and proof that the technology can spread before they commit to similar fleets of humanoid machines.

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