Image: Unitree RoboticsUnitree B2
Unitree Robotics · China · 2023 · Quadrupeds
- Height: 65 cm
- Weight: 60 kg
- Degrees of freedom (total): 12
- Runtime per charge: 5 hrs
- Industrial inspection, Energy, Emergency/rescue
AvailableLongest runtime
Robot dogs & quadrupeds
Unitree B2 vs. Boston Dynamics Spot
Both models belong to the “Robot dogs & quadrupeds” category. The table shows all verified values side by side; the higher or cheaper value in each row is highlighted.
Bottom line
Boston Dynamics Spot is cheaper. Boston Dynamics Spot is lighter. Unitree B2 runs longer on a single charge. Unitree B2 can carry more.
| Unitree B2 | Boston Dynamics Spot | |
|---|---|---|
| Price | $100,000 | $75,000 |
| Status | Available | Available |
| Manufacturer | Unitree Robotics | Boston Dynamics |
| Country | China | United States |
| Launch | 2023 | 2020 |
| Height | 65 cm | 61 cm |
| Weight | 60 kg | 33.8 kg |
| Degrees of freedom (total) | 12 | – |
| Payload | 40 kg | 14 kg |
| Top speed | 21.6 km/h | 5.8 km/h |
| Runtime per charge | 5 hrs | 1.5 hrs |
| Battery capacity | 2.25 kWh | 0.56 kWh |
| Charging time | – | 1 hrs |
| Locomotion | Wheels | Quadrupedal |
| Ingress protection (IP) | IP67 | IP54 |
| Sensors | 3D LiDAR, 2 depth cameras, 2 optical cameras, LiDAR, Stereo cameras, IMU | 360° stereo cameras (obstacle detection, 4 m), 5 stereo camera pairs (360° depth), Optional Spot CAM+, Optional gas sensors, Optional LiDAR kit, 360° LiDAR (optional) |
| Compute / AI chip | Intel Core i5 (platform) + Core i7 (development), optional Orin NX | – |
| AI model | – | Gemini (Orbit AIVI Learning, since 04/2026) |
| SDK / programming | Unitree SDK, ROS2 | Spot SDK (API + hardware ICD); Orbit fleet software |
| Data depth | 83% | 79% |
Image: Unitree Robotics
Image: Boston DynamicsBoston Dynamics Spot
Boston Dynamics · United States · 2020 · Quadrupeds
- Height: 61 cm
- Weight: 33.8 kg
- Runtime per charge: 1.5 hrs
- Payload: 14 kg
- Industrial inspection, Security/police (bomb disposal), Construction
Available