RankedUnitree B2 vs Unitree Go2
Key facts
Unitree B2 (Unitree Robotics; Shipping) and Unitree Go2 (Unitree Robotics; Shipping) are both quadruped robot (robot dog)s. Published figures: weight 60 kg (132 lb) vs 15 kg (33 lb); speed 6 m/s (21.6 km/h · 13.4 mph) vs 2.5 m/s (9 km/h · 5.6 mph); payload 40 kg (88 lb) vs 7 kg (15 lb); runtime 4 h–6 h vs 60 min–2 h. Published for only one of them: degrees of freedom (Unitree Go2: 12). Price: Unitree B2 US$100,000, Official store (global) (official price); Unitree Go2 US$1,600 (Go2 Air), Official store (global) (official price). Robot 500: Unitree B2 #3 (score 73.3), Unitree Go2 #32 (score 63.6). Disclosure: Unitree B2 has 21 sourced values (81% of tracked fields), Unitree Go2 has 32 (86%).
Cite: RankedRobot, https://rankedrobot.com/compare/unitree-b2-vs-unitree-go2/ (checked 2026-09-25) · Every figure below links to its source · Unitree B2 spec sheet · Unitree Go2 spec sheet
| Spec | Unitree B2 | 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 | #3 · 73.3 | #32 · 63.6 |
| Launch | ||
| Announced | ||
| Status | ||
| Body | ||
| Dimensions | ||
| Weight | ||
| Form factor | ||
| IP rating | ||
| Mobility | ||
| Max speed | 6 m/s (21.6 km/h · 13.4 mph)ManufacturerSource: unitree.com (2026-09-25)Conditions: sustained speed as stated | 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; obstacle crossing up to 40cm; 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/i7 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 and the Unitree Go2?
Published figures: weight 60 kg (132 lb) vs 15 kg (33 lb); speed 6 m/s (21.6 km/h · 13.4 mph) vs 2.5 m/s (9 km/h · 5.6 mph); payload 40 kg (88 lb) vs 7 kg (15 lb); runtime 4 h–6 h vs 60 min–2 h. Published for only one of them: degrees of freedom (Unitree Go2: 12).
Which is cheaper, the Unitree B2 or the Unitree Go2?
Price: Unitree B2 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 or the Unitree Go2?
Robot 500: Unitree B2 #3 (score 73.3), Unitree Go2 #32 (score 63.6). Method: https://rankedrobot.com/robot500/#method
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