Fixed manipulator · Open build
Hugging Face LeRobot SO-101
LeRobot's open, build-it-yourself six-axis manipulator used for low-cost data collection, training, and policy evaluation.
HeightUnknown
WeightUnknown
PayloadUnknown
RuntimeUnknown
Normalized manufacturer data
Specifications
| Version | SO-101 |
| Primary use | Robotics research, data collection, and policy evaluation |
| Availability detail | LeRobot publishes assembly and sourcing instructions rather than selling a single finished configuration. |
| Starting price | Bill-of-materials cost varies |
| Degrees of freedom | 6 |
| Maximum speed | Unknown |
| Reach | Unknown |
| Battery | External power; configuration depends on sourced motors |
| Onboard compute | Host computer supplied by the builder |
Payload note: Not stated in the cited assembly documentation.
Sensors
user-configured cameras, joint position feedback
Software
Hugging Face LeRobot, Feetech SDK
Safety
configurable maximum relative joint target
Control modes
leader-arm teleoperation, learned policy
Embodied intelligence
Linked robotics models
| Model | Relationship | Notes | Evidence |
|---|---|---|---|
| MolmoAct 2Ai2 | Training embodiment | Ai2 lists SO-100/SO-101 datasets in the MolmoAct 2 training mixture and publishes an SO-100/SO-101 checkpoint. | Primary source ↗ |
| SmolVLA 450MHugging Face LeRobot | Evaluation embodiment | Hugging Face reports real-world SO-101 evaluation and deployment support for SmolVLA. | Primary source ↗ |
Evidence policy
Specifications are manufacturer-reported unless a field explicitly records a derivation. Missing values stay unknown; they are not estimated from secondary sources.
Observed Aug 28, 2026 · updated Aug 28, 2026