Compare
Stretch 4 vs Unitree G1
| Spec |  Stretch 4  Hello Robot |  Unitree G1  Unitree |
|---|---|---|
| Readiness Score | 84 | 89 |
| Reality Score | 80 | 82 |
| Data Freshness | 100% | 100% |
| Price | $29,950 | $16,000 |
| Market Status | Buy Now | Pre-order |
| Availability | Limited | Limited |
| Form | Other | Humanoid |
| Height | 160 cm | 127 cm |
| Weight | 46 kg | 35 kg |
| Battery | 8 h | 2 h |
| Speed | 2.2 km/h | 7 km/h |
| Payload | 2.5 kg (extended) / 4 kg (retracted) | 2–3 kg |
| Sensors | 2× hemispherical 3D LiDAR (Hesai), 3× high-res cameras, 6× laser line sensors, wrist depth camera, IMU | Intel RealSense D435, LIVOX MID-360 LiDAR, IMU |
| Connectivity | Wi-Fi 5.2, Ethernet, USB expansion | Wi-Fi, Ethernet |
| Countries | United States, Global (direct order) | United States, China, Japan, Germany |
| Social Interaction | 58 | 45 |
| Home Navigation | 86 | 70 |
| Ecosystem | ROS 2 Humble; Python SDK; Stretch Body software stack; Optional self-charging dock; Quick-release gripper tooling; Global distributor network (Japan, Korea, China) | Unitree SDK; ROS2 support; Third-party teleoperation apps |
Green cells mark the stronger value in each row across 2 robots.