Unitree AlienGo

Was ~$50,000 (store listing)

Discontinued · unavailableResearchMid-sizeLegacy SDK

UnavailableShipping: Quote.

Overview

A mid-size research quadruped between Laikago and the later B1, common in 2019–2022 locomotion papers. It supports high- and low-level control through the Unitree legged SDK. Superseded by B1/B2. Still listed on Unitree's store but not a current product in practice.

Type: Quadruped robot · Developer-grade
Maker: Unitree Robotics (China)
Released: 2019
Price: Was ~$50,000 (store listing)
Status: Discontinued · unavailable
Best for: Professionals & labs
Programming: Full SDK

Price and shipping

Unitree's store still shows a $50,000 placeholder listing. Effectively quote-only.

Shipping: Quote. Only via inquiry to Unitree. Used lab units occasionally change hands.

Specifications

Category	Quadrupeds · Developer-grade
Released	2019
Country	China
Availability	Discontinued · unavailable
Programmability	Full SDK
Built-in autonomy	Reactive · Responds to its surroundings without a map, such as avoiding obstacles or following a person
LLM support	Possible via SDK · No built-in LLM. Its SDK lets software on a computer control it.
MuJoCo simulation	Maker URDF only · Unitree publishes aliengo_description URDF. Not in Menagerie or unitree_mujoco. unitree_ros ↗
NVIDIA Isaac simulation	Maker URDF only · Unitree publishes aliengo_description URDF. Not in Isaac Lab. unitree_ros ↗
Gazebo simulation	Official model · unitree_ros unitree_gazebo supports aliengo (ROS 1, Gazebo Classic). unitree_ros ↗
Best for	Professionals & labs
Vision sensors	Depth camera, Camera, Lidar
Actuators	Brushless / direct-drive motors
Audio	Unknown
Compute type	Unknown
Compute	Onboard computers for motion control (Ubuntu) and perception (Ubuntu + ROS)
Weight	21.5 kg without battery, 13 kg payload
Speed	1.5 m/s (Unitree)
DOF	12
Sensors	2 depth cameras, visual-odometry camera, 4 foot-contact sensors, joint encoders, IMU, optional single- or multi-line lidar
SDK	Unitree legged SDK (C++, ROS)