ARX5
ARX Robotics' ARX5 research arm. LeRobot reaches it through a third-party plugin suite (lerobot-arx5 by Ville Kuosmanen) that provides single-arm and bimanual follower types and matching leader-arm teleoperators.
LeRobot pluginverified 2026-10-24aka ARX-5, ARX X5, arx5_follower, bi_arx5_follower
Policies on ARX5 4 with evidence · 2 unknown
| Policy | State | Tier | Verified | Detail |
|---|---|---|---|---|
| ACT Imitation | partial | T3 · community reported | 2026-10-25 today | Training evidenced by public checkpoint(s); on-robot inference not documented by a primary source. |
| Diffusion Policy Imitation | works with caveats | T3 · community reported | 2026-10-25 today | Third-party research paper (UMI on Legs, from the Diffusion Policy authors' lab), not documented in Diffusion Policy's own docs or in LeRobot; the ARX5 LeRobot plugin documents no Diffusion Policy run. |
| π0 VLA | works with caveats | T3 · community reported | 2026-10-24 1d ago | Community-reported only (RoboChallenge benchmark by Dexmal/Hugging Face); not documented by Physical Intelligence or maintainer-tested. |
| π0.5 VLA | works with caveats | T3 · community reported | 2026-10-24 1d ago | Community-reported only (RoboChallenge benchmark by Dexmal/Hugging Face, plus a community checkpoint); not documented by Physical Intelligence or maintainer-tested. |
No verified evidence, but both are available in LeRobot (ecosystem context): EO-1, Evo-1, Fast-WAM, GR00T N1.7, HIL-SERL, LingBot-VA, MolmoAct2, Multitask DiT, π0-FAST, SmolVLA, TD-MPC, VLA-JEPA, VQ-BeT, WALL-OSS, X-VLA.
Not yet verified: OpenVLA-OFT, OpenVLA. Have evidence?
Specifications
- Homepage
- arx-x.com/
- Teleoperation
- ARX5 leader arm (arx5_leader / bi_arx5_leader)
DoF, payload, price and open_source status are not recorded: ARX's website is JavaScript-rendered and its specs could not be read from a primary source today. open_source is set to false only because no open hardware license was found. ARX publishes software at github.com/ARXroboticsX.
Framework support
Sources
- T1 · upstream documentedofficial-docssource 2026-08-03verified 2026-10-24 (1d ago)lerobot 0.6.1
LeRobot third-party page lists lerobot-arx5 (robot + teleoperator) under Full Kits.
“<a href="https://pypi.org/project/lerobot-robot-arx5/"><code>lerobot-arx5</code></a> robot arm with its”
https://github.com/huggingface/lerobot/blob/v0.6.1/docs/source/third_party_robots.mdx - T3 · community reportedsource-codeverified 2026-10-24 (1d ago)
README: lerobot_robot_arx5 provides arx5_follower and bi_arx5_follower; pip install lerobot_robot_arx5.
https://github.com/villekuosmanen/lerobot-arx5/blob/d87b5f1d8bba052abf4182cbd27f20a7cc66f76f/README.md