Walker S2 vs G1
Walker S2
UBTECH
Mass production began Nov 2025. 800M yuan in orders. Autonomous battery swap in 3 minutes. NIO factory deployment. 5,000 units/year capacity.
Full profileG1
Unitree Robotics
Best-selling humanoid robot. 5,500+ units shipped in 2025, targeting 20,000 in 2026. Deployed at Tokyo Haneda Airport (JAL). 23-43 DOF, LiDAR, ROS2.
Full profileSpec Comparison
| Spec | Walker S2 | G1 |
|---|---|---|
| Category | Humanoid | Humanoid |
| Price | Enterprise pricing | $16,000 |
| Year | 2025 | 2024 |
| Height | 170cm | 127cm |
| Weight | 60kg | 35kg |
| Speed | 4km/h | 7.4km/h |
| Battery | --- | 9000mAh |
| DOF | 41 | 23-43 |
| OS | UBTECH OS | Ubuntu/ROS2 |
AI and Software
Walker S2
- ROSA
- VLM
G1
- Isaac Gym
- UnifoLM-VLA-0
- ROS2
G1 wins on price and ecosystem, Walker S2 on enterprise features
UBTECH's Walker S2 targets enterprise deployment with more advanced sensor suites and enterprise support, but at several times the price of the Unitree G1. For research and development, the G1's $16K price point and massive open-source community make it hard to beat. Walker S2's advantage is its more polished enterprise integration and UBTECH's longer track record in commercial humanoid deployment.
G1 is better for
budget-conscious research and development deployments
Walker S2 is better for
enterprise buyers needing commercial support and proven deployment