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SO-ARM101 vs. NexArm Open-Source 6-Axis LeRobot Arm Buying Guide: Which One to Choose

Huan'er Technology compares two open-source 6-axis robotic arms that natively support the Hugging Face LeRobot ecosystem: the SO-ARM101 has a 200 g payload, a 400 mm reach, and a maximum servo torque of 30 kg·cm, making it suitable for beginners learning teleoperation and imitation learning; the NexArm has a 500 g payload, a 500 mm reach, and 65 kg·cm torque, features an aviation-grade metal body, and can be expanded with peripherals such as the K230 vision module and a Mecanum-wheel chassis.

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