Compare · head to head

UBTECH Walker S2 vs Unitree G1

Data confidence: medium / high · reviewed by Andrei Sheshenin · how we score

UBTECH Walker S2 and Unitree G1 have the same overall score (55). UBTECH Walker S2 is ahead in manipulation, autonomy; Unitree G1 is ahead in locomotion, deployment; they score the same in hands. Unitree G1 is cheaper: about $13,500 vs $84,507.

55score

UBTECH Walker S2

UBTECH · China · Walks on legs

Height176 cm

Weight70 kg

Joints52

Lifts15 kg

Speed7.2 km/h

Battery2 h

Price$85k-$99k reported

On sale

55score

Unitree G1

Unitree · China · Walks on legs

Height132 cm

Weight35 kg

Joints23

Lifts2 kg

Speed?

Battery2 h

Price$14k-$22k

On sale

UBTECH Walker S2		Unitree G1
Body
176 cm	Height	132 cm
70 kg	Weight	35 kg
Legs	Moves on	Legs
52	Joints (degrees of freedom)	23
Self-developed joints; waist +90/-35 deg pitch, +/-162 deg rotation	Actuators	Low-inertia PMSM joint motors, up to 120 Nm (EDU)
Movement
7.2 km/h	Top speed	?
Hands and lifting
11	Joints per hand	7
5	Fingers	3
15 kg	Carries (both arms)	2 kg
?	Lifts per arm	2 kg
Battery
2 h	Runtime per charge	2 h
Autonomous hot battery swapping, 24/7 operation	Charging	54V 5A charger; quick-release 9000mAh battery
Brain and senses
BrainNet 2.0 with Co-Agent	AI model	UnifoLM
Not disclosed	Onboard computer	8-core high-performance CPU
Binocular stereo vision	Sensors	Depth camera + 3D LiDAR; 4-mic array; 5W speaker; WiFi 6, BT 5.2
Not disclosed	Software / SDK	no secondary development
Buying it
$85k-$99k reported	Price	$14k-$22k
Media report 600,000-700,000 RMB per unit. RobotShop special order 246,600 USD. 2025 revenue/units implies ~761,000 RMB average. Runtime ~2 h walking per one source.	Price details	Official price: G1 (Basic) 85000 CNY; G1 Pro (shop variant) 21500 USD
Mass production and delivery since 11.2025	Availability	in stock (shop)
On sale	Status	On sale
~1079 Walker S series (2025)	Units shipped	~5500 Unitree humanoids, mostly G1 (2025)
BYD, Geely, FAW-VW, Dongfeng, Foxconn, Airbus, data collection centers (Jiujiang, Guangxi)	Customers	Universities, research labs, event rental firms
Automotive and electronics factory logistics, sorting, quality inspection, training data collection	Used for	Research, education, entertainment and events
What it has shown (our assessment)
Handles stairs and uneven ground	Locomotion	Acrobatics and parkour
Two-handed work in real settings	Manipulation	Scripted pick-and-place
Hand with 6-11 joints	Hands	Hand with 6-11 joints
Learned AI policies in demos	Autonomy	Limited autonomy in demos
100+ robots at customers	Deployment	1,000+ robots shipped

Watch them

UBTECH Walker S2: Walker S2 - The World's First Humanoid Robot Capable of Autonomous Battery Swapping — Walker S2 - The World's First Humanoid Robot Capable of Autonomous Battery Swapping · UBTECH Robotics on YouTube

Unitree Introducing | Unitree G1 Humanoid Agent | AI Avatar | Price from $16K · Unitree Robotics on YouTube

What each has shown

UBTECH Walker S2: Autonomous battery replacement in 3 minutes, carrying boxes in automotive factories

Unitree G1: Kung Fu at the Spring Gala, somersaults, running, jumping over obstacles

FAQ

Which ranks higher, UBTECH Walker S2 or Unitree G1?

UBTECH Walker S2 and Unitree G1 have the same overall score (55).

Can you buy UBTECH Walker S2 or Unitree G1?

UBTECH Walker S2: on sale. Unitree G1: on sale.

Which costs less, UBTECH Walker S2 or Unitree G1?

UBTECH Walker S2 about $84,507; Unitree G1 about $13,500.

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