SO-101

A 3D-printable, six-motor desktop arm built for the LeRobot framework, usually sold as a pair: you move a leader arm by hand and the follower copies it, recording data to train a policy. It is the cheapest serious way to try robot learning at home. The gripper is simple and payload is small, so expect pick-and-place demos, not chores.

Price

$130Shipped

Hugging Face estimates about $100-$130 for one arm with printed parts and motors. A leader + follower pair is about $230 in parts (RobotStudio BOM); Seeed's dual-arm motor kit is $220-$240 without printed parts, and assembled pairs run up to about $500.

Status

ShippingShipped

Open-source design released April 2025; kits sold by several vendors

Height

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Weight

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Payload

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Runtime

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Top speed

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Degrees of freedom

6

Compute

None on board; runs from a USB-connected PC or NVIDIA Jetson via LeRobot

Made in

United States

A dash means the maker has not published it. Values with a label are claims, not measurements.