Compare
Stretch 4 vs Unitree G1
Quick verdict
Stretch 4 leads on 7 of 14 comparable rows
Stretch 4 leads on Payload, Battery, Manipulation, and Perception (+3 more). Unitree G1 leads on Readiness Score, Reality Score, Data Freshness, and Speed (+3 more).
Who should choose which?
Choose Stretch 4 if…
- Strengths like perception and manipulation match how you plan to use it at home.
- You prefer a other form factor over the alternatives in this compare.
Choose Unitree G1 if…
- You want higher readiness (90/100 vs peers) for near-term home use.
- Budget is a priority and Unitree G1 lists lower ($13,500).
- Strengths like mobility and perception match how you plan to use it at home.
- You prefer a humanoid form factor over the alternatives in this compare.
Scoreboard
- Stretch 4★wins 7
- Unitree G1★wins 7
Choose Stretch 4 if…
- Strengths like perception and manipulation match how you plan to use it at home.
- You prefer a other form factor over the alternatives in this compare.
Choose Unitree G1 if…
- You want higher readiness (90/100 vs peers) for near-term home use.
- Budget is a priority and Unitree G1 lists lower ($13,500).
- Strengths like mobility and perception match how you plan to use it at home.
- You prefer a humanoid form factor over the alternatives in this compare.
| Performance | ||
|---|---|---|
| Readiness Score | 84 | 90 |
| Reality Score | 80 | 84 |
| Data Freshness | 85% | 100% |
| Speed | 2.2 km/h | 7 km/h |
| Payload | 2.5 kg (extended) / 4 kg (retracted) | 2–3 kg |
| Specs | ||
| Height | 160 cm | 132 cm |
| Weight | 46 kg | 35 kg |
| Battery | 8 h | 2 h |
| Form | Other | Humanoid |
| Availability | ||
| Price | $29,950 | $13,500 |
| Market Status | Buy Now | Buy Now |
| Availability | Limited | Limited |
| Countries | United States, Global (direct order) | United States, China, Japan, Germany |
| Intelligence | ||
| Mobility | 82 | 92 |
| Manipulation | 88 | 78 |
| Perception | 90 | 80 |
| Autonomy | 74 | 65 |
| Social Interaction | 58 | 45 |
| Home Navigation | 86 | 70 |
| Sensors | 2× hemispherical 3D LiDAR (Hesai), 3× high-res cameras, 6× laser line sensors, wrist depth camera, IMU | Depth camera + 3D LiDAR, IMU, 4-mic array |
| Connectivity | Wi-Fi 5.2, Ethernet, USB expansion | Wi-Fi 6, Bluetooth 5.2, Ethernet (typical) |
| 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 (EDU); ROS2 support; UnifoLM; Third-party teleoperation apps |
Green cells mark the stronger value in each row across 2 robots.