- Weight
- 16 kg (35 lb)
- Speed
- 3.7 m/s (13.3 km/h · 8.3 mph)
- Payload
- 5 kg (11 lb)
- Runtime
- 60 min–2 h
- Price
- US$9,600
Unitree B2-W
By Unitree Robotics · China · Quadruped robots (robot dogs)
Robot 500: #2 of 14 quadruped robots (robot dogs) · score 61.0 · evidence grade C19 sourced values · 10 not disclosed (66% disclosed)Checked by our QA desk on 2026-10-20Official pageReport an error
Against other quadruped robots
Where the published figures sit among the 25 quadruped robots in our database. Only robots whose makers publish the same figure are counted.
| Figure | Unitree B2-W | Median | Range | Robots publishing it |
|---|---|---|---|---|
| Weight | 85 kg | 35 kg0.5 kg – 85 kg · 23 robots | 0.5 kg – 85 kg | 23 |
| Speed | 4.17 m/s | 3 m/s0.9 m/s – 8 m/s · 22 robots | 0.9 m/s – 8 m/s | 22 |
| Payload | 40 kg | 15 kg0.2 kg – 50 kg · 23 robots | 0.2 kg – 50 kg | 23 |
| Peak load | 120 kg | 100 kg50 kg – 150 kg · 7 robots | 50 kg – 150 kg | 7 |
| Battery | 2,000 Wh | 534 Wh7.4 Wh – 2,400 Wh · 22 robots | 7.4 Wh – 2,400 Wh | 22 |
Its lowest published US-dollar price, US$100,000, is above 8 and below 0 of the 12 quadruped robots with a published US-dollar price (median US$3,150).
Unitree Robotics publishes 19 of the 29 figures we track for the Unitree B2-W (66%). The median across the 25 quadruped robots in our database is 74%, so it discloses more than 1 of them. Not published by the maker: runtime.
Background reading: Robot dogs in 2026.
Prices and where to buy
We don't earn anything from the links below. If that changes, this notice will say so before the links.
- US$100,000 · official price, Official store (global) · checked 2026-10-06 Official store/page
Prices change often; the maker's page is authoritative. Amazon prices are shown only through Amazon's own links.
Full specifications
Every value shows its confidence: Manufacturer stated by the maker · Verified independently confirmed · Estimate our calculation from official figures · Reported credible media, retailer or trade-show report, not confirmed by the maker · ⚠ Unconfirmed leak, rumour or single source — treat with caution · Not disclosed not published. Every value, whatever its confidence, links to its source. How we source specs.
| Announced | |
|---|---|
| Status |
| Dimensions | |
|---|---|
| Weight | |
| Form factor | |
| IP rating |
| Max speed | 4.17 m/s (15 km/h · 9.3 mph)ManufacturerSource: unitree.com (2026-10-06)Conditions: sustained speed as stated (wheeled mode) |
|---|---|
| Terrain | Stairs · Slopes · Barricades · Grass · stone paths · gravel pathsManufacturerSource: unitree.com (2026-10-20) |
| Stairs | Stairs of 20-25cm continuous; stairs of 40cm in forward direction; climb angle >45 degManufacturerSource: unitree.com (2026-10-06) |
| Degrees of freedom | |
|---|---|
| Payload | |
| Peak load |
| Processor | Intel Core i5 (standard) / i7 (dev) or NVIDIA Jetson Orin NX (configurable)ManufacturerSource: unitree.com (2026-10-06) |
|---|---|
| AI performance | |
| Teleoperation |
| Cameras | |
|---|---|
| LiDAR |
| Battery | |
|---|---|
| Runtime | |
| Hot-swappable battery |
| SDK | Unitree SDK2 (unitree_sdk2, C++/Python) with ROS2 support (unitree_ros2)ManufacturerSource: support.unitree.com (2026-09-25) |
|---|---|
| ROS support | ROS 1 (Melodic) simulation package unitree_ros includes a b2w robot descriptionManufacturerSource: github.com (2026-10-20) |
| Open source | unitree_ros (incl. b2w robot description) public under BSD-3-ClauseManufacturerSource: github.com (2026-10-20) |
| Regions sold |
|---|
Cite: RankedRobot, https://rankedrobot.com/robots/unitree-b2-w/ (checked 2026-10-20) · Open data · Robot 500: #2 of 14 quadruped robots (robot dogs), grade C
Viewer rating
Visitors' opinions · not part of the Robot 500One rating per visitor per robot; you can change it later. An average appears from 5 ratings. These are unverified opinions of visitors and are never used in our Robot 500 ranking, which is based only on sourced evidence. Viewers' choice · How viewer ratings work
Compare with
Compare Unitree B2-W side by side
Best robot dogs (quadruped robots), ranked · How to buy robot dogs (quadruped robots)
- Weight
- 41 kg (90 lb)
- Speed
- 8 m/s (28.8 km/h · 17.9 mph)
- Payload
- 25 kg (55 lb)
- Runtime
- 5 h
- Price
- Not published
- Weight
- 68 kg (150 lb)
- Speed
- 3 m/s (10.8 km/h · 6.7 mph)
- Payload
- 50 kg (110 lb)
- Runtime
- 5.5 h
- Price
- Not published
- Weight
- 15.5 kg (34 lb)
- Speed
- 3.5 m/s (12.6 km/h · 7.8 mph)
- Payload
- 5 kg (11 lb)
- Runtime
- 60 min–2 h
- Price
- From US$3,200
Spotted an error? Email corrections@rankedrobot.com — every correction is published in our corrections log.