Trossen Robotics

WidowX AI

A 6-axis arm built for AI research and teleoperated data collection. Sold as base, leader and follower versions.

Prosumer · $1k–$5k Arrives assembled
List price Checked 2026-10-20
$4,546 USD

Base version with gripper, from the Trossen product page. Leader $4,686, follower with camera $4,996. Built to order, 2–3 weeks.

Specs and prices change. Confirm with Trossen Robotics before you buy.

Specifications

Payload
1.5 kg
Reach
700 mm
Repeatability
±1 mm
Arm weight
4 kg
Control rate
—
DOF
6
Gripper
Included
Connection
Ethernet
Software
PythonC++ROS 2LeRobot

— means the maker doesn't publish it. Sources are at the bottom of this page.

Work envelope — top view (mm) R 700 MM
700 2006001000

Payload ratings are usually best case, near the base. Expect less at full reach.

Pick it if

  • You want leader/follower data collection at research scale
  • You plan a two-arm (bimanual) setup

Trade-offs

  • Built to order (2–3 weeks)
  • ±1 mm repeatability; looser than industrial arms