Hugging Face LeRobotSO-101
LeRobot's open, build-it-yourself six-axis manipulator used for low-cost data collection, training, and policy evaluation.
- Availability
- Open build
- Form factor
- Fixed manipulator
- Starting price
- Bill-of-materials cost varies
- Announced
- Not reported
Publisher Media
SO-101 in Action
Normalized Manufacturer Data
Specifications
| Height | Unknown |
| Weight | Unknown |
| Payload | Unknown |
| Runtime | Unknown |
| 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 |
| 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 |
Payload note: Not stated in the cited assembly documentation.
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 29, 2026 · updated Oct 15, 2026
Questions
Hugging Face LeRobot SO-101 FAQs
What is the Hugging Face LeRobot SO-101?+
LeRobot's open, build-it-yourself six-axis manipulator used for low-cost data collection, training, and policy evaluation. It is classified as a fixed manipulator platform whose reported primary use is Robotics research, data collection, and policy evaluation.
Can I buy the SO-101 today?+
Hugging Face LeRobot SO-101 is recorded as open build: LeRobot publishes assembly and sourcing instructions rather than selling a single finished configuration.. Availability can be regional, limited to selected customers, or different from the announcement status.
How much does the SO-101 cost?+
The normalized starting-price record is Bill-of-materials cost varies. This is the manufacturer's cited price or qualifier, not a delivered-cost estimate, and may exclude options, support, shipping, or regional terms.
What are the SO-101's key physical specifications?+
The current source reports height not reported, weight not reported, payload not reported, runtime not reported, and maximum speed not reported. Unknown values remain unestimated.
What sensors and software does the SO-101 use?+
Reported sensors are user-configured cameras and joint position feedback. Reported software is Hugging Face LeRobot and Feetech SDK, and control modes are leader-arm teleoperation and learned policy.
Which AI models work with the SO-101?+
Model Markets currently has sourced platform relationships for MolmoAct 2 and SmolVLA 450M. Each relationship is labeled as native, demonstrated, used for training, used for evaluation, or another explicitly sourced connection.
How current are the SO-101 specifications?+
The platform record was last verified Aug 29, 2026 from Hugging Face LeRobot's source, “SO-101 assembly and hardware documentation.” Manufacturer-reported values remain separate from any future independent measurements.
How can I compare the SO-101 with other robots?+
Use the robot comparisons to inspect form factor, availability, payload, runtime, speed, sensing, control, safety, and price side by side. A comparison does not declare an overall winner without a target task and environment. Browse robot comparisons →