RankedUnitree B2-W vs Unitree Go2
Key facts
Unitree B2-W (Unitree Robotics; Shipping) and Unitree Go2 (Unitree Robotics; Shipping) are both quadruped robot (robot dog)s. Published figures: weight 85 kg (187 lb) vs 15 kg (33 lb); speed 4.17 m/s (15 km/h · 9.3 mph) vs 2.5 m/s (9 km/h · 5.6 mph); payload 40 kg (88 lb) vs 7 kg (15 lb). Published for only one of them: runtime (Unitree Go2: 60 min–2 h); degrees of freedom (Unitree Go2: 12). Price: Unitree B2-W US$100,000, Official store (global) (official price); Unitree Go2 US$1,600 (Go2 Air), Official store (global) (official price). Robot 500: Unitree B2-W #27 (score 64.5), Unitree Go2 #32 (score 63.6). Disclosure: Unitree B2-W has 17 sourced values (65% of tracked fields), Unitree Go2 has 32 (86%).
Cite: RankedRobot, https://rankedrobot.com/compare/unitree-b2-w-vs-unitree-go2/ (checked 2026-09-25) · Every figure below links to its source · Unitree B2-W spec sheet · Unitree Go2 spec sheet
| Spec | Unitree B2-W | Unitree Go2 |
|---|---|---|
| Status | Shipping | Shipping |
| Price | US$100,000, Official store (global) (official price) source | US$1,600 (Go2 Air), Official store (global) (official price) source US$2,800 (Go2 Pro), Official store (global) (official price) source US$4,500 (Go2 X), Official store (global) (official price) source |
| Robot 500 | #27 · 64.5 | #32 · 63.6 |
| Launch | ||
| Announced | ||
| Status | ||
| Body | ||
| Dimensions | ||
| Weight | ||
| Form factor | ||
| IP rating | ||
| Mobility | ||
| Max speed | 4.17 m/s (15 km/h · 9.3 mph)ManufacturerSource: unitree.com (2026-09-25)Conditions: sustained speed as stated (wheeled mode) | Go2 Air:2.5 m/s (9 km/h · 5.6 mph)ManufacturerSource: unitree.com (2026-09-25)Conditions: sustained walking speed as stated Go2 Pro:3.5 m/s (12.6 km/h · 7.8 mph)ManufacturerSource: unitree.com (2026-09-25)Conditions: sustained walking speed as stated Go2 X:3.7 m/s (13.3 km/h · 8.3 mph)ManufacturerSource: unitree.com (2026-09-25)Conditions: sustained speed as stated; page separately lists a ~5 m/s max/burst figure for X & EDU Go2 EDU:3.7 m/s (13.3 km/h · 8.3 mph)ManufacturerSource: unitree.com (2026-09-25)Conditions: sustained speed as stated; page separately lists a ~5 m/s max/burst figure for X & EDU |
| Stairs | Stairs of 20-25cm continuous; 40cm forward obstacle; climb angle >45 degManufacturerSource: unitree.com (2026-09-25) | Max climb/drop height approx. 15-16 cm; max climb angle 30 deg (Air), 40 deg (Pro/X/EDU)ManufacturerSource: unitree.com (2026-09-25) |
| Joints & payload | ||
| Degrees of freedom | ||
| Payload | Go2 Air:7 kg (15 lb)ManufacturerSource: unitree.com (2026-09-25)Conditions: standard payload as stated Go2 Pro:8 kg (18 lb)ManufacturerSource: unitree.com (2026-09-25)Conditions: standard payload as stated Go2 X:8 kg (18 lb)ManufacturerSource: unitree.com (2026-09-25)Conditions: standard payload as stated Go2 EDU:8 kg (18 lb)ManufacturerSource: unitree.com (2026-09-25)Conditions: standard payload as stated; max 12kg under unspecified conditions | |
| Peak load | Not tracked | |
| Compute & AI | ||
| Processor | Intel Core i5 (standard) / i7 (dev) or NVIDIA Jetson Orin NX (configurable)ManufacturerSource: unitree.com (2026-09-25) | |
| AI performance | ||
| Teleoperation | ||
| Sensors | ||
| Cameras | ||
| LiDAR | 4D LiDAR L2, 360x96 deg hemispherical coverage, 0.05m min detectionManufacturerSource: unitree.com (2026-09-25) | |
| Power | ||
| Battery | ||
| Runtime | Go2 Air:60 min–2 hManufacturerSource: unitree.com (2026-09-25)Conditions: task not stated by manufacturer Go2 Pro:60 min–2 hManufacturerSource: unitree.com (2026-09-25)Conditions: task not stated by manufacturer Go2 X:60 min–2 hManufacturerSource: unitree.com (2026-09-25)Conditions: task not stated by manufacturer Go2 EDU:2 h–4 hManufacturerSource: unitree.com (2026-09-25)Conditions: task not stated by manufacturer | |
| Hot-swappable battery | ||
| Software | ||
| SDK | Unitree SDK2 (unitree_sdk2, C++/Python) with ROS2 support (unitree_ros2)ManufacturerSource: support.unitree.com (2026-09-25) | Unitree SDK2 (unitree_sdk2, C++/Python) with ROS2 support (unitree_ros2)ManufacturerSource: support.unitree.com (2026-09-25) |
| Commercial | ||
| Regions sold | ||
Confidence labels: Manufacturer = stated by the maker · Verified = independently confirmed · Reported = credible media or retailer, not confirmed by the maker · ⚠ Unconfirmed = leak or single source · Not disclosed = not published. We never estimate missing figures. Add more robots to this comparison.
Quick answers
What is the difference between the Unitree B2-W and the Unitree Go2?
Published figures: weight 85 kg (187 lb) vs 15 kg (33 lb); speed 4.17 m/s (15 km/h · 9.3 mph) vs 2.5 m/s (9 km/h · 5.6 mph); payload 40 kg (88 lb) vs 7 kg (15 lb). Published for only one of them: runtime (Unitree Go2: 60 min–2 h); degrees of freedom (Unitree Go2: 12).
Which is cheaper, the Unitree B2-W or the Unitree Go2?
Price: Unitree B2-W US$100,000, Official store (global) (official price); Unitree Go2 US$1,600 (Go2 Air), Official store (global) (official price). Prices are shown exactly as published, never converted or estimated.
Which ranks higher in the Robot 500, the Unitree B2-W or the Unitree Go2?
Robot 500: Unitree B2-W #27 (score 64.5), Unitree Go2 #32 (score 63.6). Method: https://rankedrobot.com/robot500/#method
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