Unitree G1 Humanoid Robot

Launched in May 2024, the Unitree G1 represents a breakthrough in accessible humanoid robotics. Standing 127 cm tall and weighing 35 kg, it combines advanced mobility with force-controlled manipulation at a starting price of $13,500—approximately one-fifth the cost of comparable platforms. Over 1,000 units have shipped globally, making it the best-selling humanoid robot as of 2025.

Product Overview

The G1 emerged from Unitree’s expertise in quadruped locomotion, adapting proven actuator technology and motion control algorithms to bipedal form. Positioned for research, education, and service applications, it bridges the gap between expensive research platforms ($90,000+) and limited-capability educational robots.

Three configurations are available: G1 Basic (demonstration only, no development support), G1 EDU (23 DOF, secondary development enabled, 100 TOPS computing via NVIDIA Jetson Orin NX), and G1 Ultimate (43 DOF including 7 DOF per hand, full dexterous manipulation).

Key Features

Compact Humanoid Form Factor: At 127 cm height, the G1 navigates human environments including standard doorways and corridors. The 35 kg weight enables safe human-robot interaction while maintaining sufficient mass for stable locomotion.

Force-Controlled Dexterous Hands: The Dex3-1 three-fingered hand system uses force-position hybrid control for precise object manipulation. Multi-touch array sensors provide tactile feedback for delicate operations including grasping, lifting, and fine motor tasks.

Exceptional Mobility: World records include 1.4 m standing long jump (exceeding its own height), first humanoid side flip, and first kip-up (rising from lying to standing in one motion). Walking speed exceeds 2 m/s with stable gait control across varied terrain.

Imitation and Reinforcement Learning: Integrated UnifoLM framework enables learning from video demonstrations. Research at Carnegie Mellon University and NVIDIA developed the ASAP framework allowing G1 to replicate athletic movements by aligning simulation with real-world physics.

Modular Computing Architecture: Dual computing system separates platform functions (Intel Core i5) from user development (Intel Core i7 or NVIDIA Jetson Orin NX with 100 TOPS AI processing). Supports Python, C++, and ROS2 development environments.

Technical Specifications

Designed for research and healthcare teleoperation, Unitree G1 offers 23–43 degrees of freedom and force-controlled Dex3-1 hands starting at $13,500.

Sensors: 3D LiDAR, depth cameras, IMU, joint encoders, multi-touch hand sensors

Battery: Quick-swap system for extended operation; runtime varies by task intensity

Clinical Applications

While the G1 is not a certified medical device, academic research has demonstrated its potential in healthcare settings:

Teleoperated Medical Procedures: UC San Diego researchers developed a bimanual teleoperation system enabling remote-controlled medical procedures. Testing across seven tasks showed:

• 90% accuracy in bag-valve mask ventilation
• 70% success in ultrasound-guided injections (outperforming some untrained medical students)
• 86.3% success rate in suturing tasks

Rehabilitation Assistance: The humanoid form and precise manipulation capabilities enable potential applications in physical therapy exercises and patient mobility support.

Healthcare Research Platform: Universities worldwide deploy G1 for AI development, human-robot interaction studies, and embodied intelligence research with healthcare applications.

Regulatory Status

The G1 is classified as a civilian robot for research and educational purposes. Medical applications remain in the research phase without regulatory clearance for clinical use.

Frequently Asked Questions

What surgeries can Unitree G1 perform?

The G1 is not cleared for performing surgeries. Research studies have demonstrated teleoperation capabilities for medical procedures including ventilation, injections, and suturing in controlled laboratory settings. Clinical deployment would require medical device certification.

How does G1 compare to other humanoid robots?

At $13,500-$16,000, the G1 offers research-grade capabilities at a fraction of competitor pricing. Tesla Optimus and Boston Dynamics Atlas remain unavailable for purchase; Figure AI’s platform costs significantly more. The G1 trades full-size adult height for accessibility and cost efficiency.

Can G1 be used in elderly care facilities?

The G1’s compact size, force feedback, and manipulation capabilities make it suitable for research into elderly care applications. Actual deployment in care facilities would require validation and potentially regulatory clearance depending on the specific use case.

What programming languages does G1 support?

The EDU and Ultimate versions support Python, C++, and ROS2 development. Unitree provides SDK, API documentation, and example code for autonomous operation, teleoperation, and AI integration.