Sanbot Nano vs Walker S1

Q: Who makes Sanbot Nano and Walker S1?

Sanbot Nano is made by Sanbot Innovation Technology, based in CN. Walker S1 is made by UBTECH Robotics Corp Ltd., based in CN.

Q: When were Sanbot Nano and Walker S1 launched?

Sanbot Nano launched in 2017. Walker S1 launched in 2024.

Q: How much does Sanbot Nano cost compared to Walker S1?

Sanbot Nano is listed at $2,800. Walker S1 is listed at $75,000.

Q: How do Sanbot Nano and Walker S1 compare on the Robo Score?

Sanbot Nano scores 63.7 on the Robo Score. Walker S1 scores 69.6. The Robo Score is a 0–100 credibility figure blending commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.

Q: What is the payload difference between Sanbot Nano and Walker S1?

Sanbot Nano carries up to 75 kg. Walker S1 carries up to 10 kg.

Q: Are Sanbot Nano and Walker S1 in the same category?

Both robots are classified as Humanoid on Robolist. Filters and ranking treat them as direct alternatives.

Q: What is the realistic total cost of ownership for Humanoid robots?

Hardware cost is one input. Humanoid TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Humanoid TCO: Hardware, Cloud Subscriptions, and the Cost of Teleop Time.

Q: What should a buyer ask vendors when choosing between Sanbot Nano and Walker S1?

Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Vendor Selection for Humanoids: The 10 Questions You Must Ask.

Side-by-side comparison of Sanbot Nano (Sanbot Innovation Technology) and Walker S1 (UBTECH Robotics Corp Ltd.) — specs, pricing, Robo Score, and verified deployments. Updated daily.

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Sanbot Nano63.7

Walker S169.6

Layer 1: Identity & Trust

Manufacturer Country

Sanbot NanoChina
Walker S1China

Year First Available

Sanbot Nano2017
Walker S12024

Verified Deployments

Sanbot Nano0 Deployments
Walker S10 Deployments

Layer 2: Operational

Price

Sanbot Nano$2,800 USD
Walker S1$75,000 USD

Battery / Shift Runtime

Sanbot Nano4 hrs
Walker S12 hrs

Availability Status

Sanbot NanoACTIVE
Walker S1ACTIVE

Physical Form Factor

Height

Sanbot Nano90.2 mm
Walker S1130 mm

Weight

Sanbot Nano19 kg
Walker S176 kg

Mobility Type

Sanbot Nanowheeled
Walker S1bipedal

Humanoid Subtype

Sanbot Nanowheeled humanoid
Walker S1full bipedal

Walking Speed

Sanbot Nano0.8 m/s
Walker S10.8 m/s

Stair Climbing

Sanbot Nanonone
Walker S1Yes

Terrain

Sanbot Nanoflat_indoor
Walker S1flat indoor, uneven outdoor, gravel, tile, thick carpet, lawn

Payload & Dexterity

Payload

Sanbot Nano75 kg
Walker S110 kg

Total DOF

Sanbot Nano8
Walker S141

Arm DOF

Sanbot Nano10
Walker S17

Hand DOF

Sanbot Nano10
Walker S16

Arm Reach

Sanbot Nano—
Walker S160 cm

Bimanual Coordination

Sanbot Nano—
Walker S1Yes

Compute & AI

Onboard Compute

Sanbot NanoQuad-core ARM Cortex-A53
Walker S1Intel i7 8665U Frequency 1.9Ghz *2, NVIDIA GT1030 graphics card, 384 cores

Compute Platform

Sanbot NanoQuad-core ARM Cortex-A53
Walker S1—

VLM Capable

Sanbot Nanonone
Walker S1No

Foundation Models

Sanbot Nano—
Walker S1false

Imitation Learning

Sanbot Nano—
Walker S1No

Teleoperation

Sanbot Nanojoystick
Walker S1—

Programming

Sanbot Nanocode_python, teleoperation
Walker S1ROS 2.0

Battery & Power

Runtime

Sanbot Nano10 hrs
Walker S12 hrs

Battery Capacity

Sanbot Nano0.3 kWh
Walker S1—

Battery Swap

Sanbot Nano—
Walker S1No

Safety

Human Detection Method

Sanbot Nanovision human
Walker S1—

Software

SDK Languages

Sanbot NanoPython
Walker S1Python

ROS Support

Sanbot Nanoros1 community
Walker S1Yes

Open API

Sanbot Nano—
Walker S1Yes

Reliability

Deployment Maturity

Sanbot Nanoproduction pilot
Walker S1commercial

Commercial

Price (USD)

Sanbot Nano$2,800 USD
Walker S1$75,000 USD

Price Tier

Sanbot Nano10-20K
Walker S140-80K

Pricing Model

Sanbot Nanocapex
Walker S1purchase

Warranty

Sanbot Nano—
Walker S12 yrs

Applications

Sanbot Nanohome, education, healthcare, public_service
Walker S1service, entertainment, education

	Sanbot NanohumanoidSanbot Innovation Technology 63.7Robo Score	Walker S1humanoidUBTECH Robotics Corp Ltd. 69.6Robo Score
Layer 1: Identity & Trust
Manufacturer Country	China	China
Year First Available (values differ)	2017	2024
Verified Deployments	0 Deployments	0 Deployments
Layer 2: Operational
Price (values differ)	$2,800 USD	$75,000 USD
Battery / Shift Runtime (values differ)	4 hrs	2 hrs
Availability Status	ACTIVE	ACTIVE
Layer 3: Category Specific
Physical Form Factor
Height (values differ)	90.2 mm	130 mm
Weight (values differ)	19 kg	76 kg
Mobility Type (values differ)	wheeled	bipedal
Humanoid Subtype (values differ)	wheeled humanoid	full bipedal
Walking Speed (values differ)	0.8 m/s	0.8 m/s
Stair Climbing (values differ)	none	Yes
Terrain (values differ)	flat_indoor	flat indoor, uneven outdoor, gravel, tile, thick carpet, lawn
Payload & Dexterity
Payload (values differ)	75 kg	10 kg
Total DOF (values differ)	8	41
Arm DOF (values differ)	10	7
Hand DOF (values differ)	10	6
Arm Reach (values differ)	—	60 cm
Bimanual Coordination (values differ)	—	Yes
Compute & AI
Onboard Compute (values differ)	Quad-core ARM Cortex-A53	Intel i7 8665U Frequency 1.9Ghz *2, NVIDIA GT1030 graphics card, 384 cores
Compute Platform (values differ)	Quad-core ARM Cortex-A53	—
VLM Capable (values differ)	none	No
Foundation Models (values differ)	—	false
Imitation Learning (values differ)	—	No
Teleoperation (values differ)	joystick	—
Programming (values differ)	code_python, teleoperation	ROS 2.0
Battery & Power
Runtime (values differ)	10 hrs	2 hrs
Battery Capacity (values differ)	0.3 kWh	—
Battery Swap (values differ)	—	No
Safety
Human Detection Method (values differ)	vision human	—
Software
SDK Languages (values differ)	Python	Python
ROS Support (values differ)	ros1 community	Yes
Open API (values differ)	—	Yes
Reliability
Deployment Maturity (values differ)	production pilot	commercial
Commercial
Price (USD) (values differ)	$2,800 USD	$75,000 USD
Price Tier (values differ)	10-20K	40-80K
Pricing Model (values differ)	capex	purchase
Warranty (values differ)	—	2 yrs
Applications (values differ)	home, education, healthcare, public_service	service, entertainment, education

Insufficient data for full comparison

The following fields had no data for any of the selected robots: Running Capable, Payload (Peak), Grip Strength, Manipulation Repeatability, Tool Use, Charging Time, Charging Method, Avg Power Consumption, Force-Limited Arms, Fall Recovery, Fall Detection Response, Emergency Stops, Safe Speed Near Humans, Simulation Platforms, Air-Gap Capable, MTBF, Task Success Rate, IP Rating, Noise Level, RaaS / Month, Developer Unit Price, Delivery Lead Time, Production Pilots

best in categoryweakest in categoryvalues differ

ROI Comparison

Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.

Robots (fleet)

Hours / day

Labor $/hr (USD)

Days / year

Annual labor displaced (per robot): $50,000

Metric	Sanbot Nano	Walker S1
Investment	$2,800	$75,000
Payback period	< 1 mo	18.0 mo
Net savings (5 yr)	$247,200	$175,000
ROI (5 yr)	+8829%	+233%

Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.

Trade-offs at a glance

Frequently asked

Who makes Sanbot Nano and Walker S1?

Sanbot Nano is made by Sanbot Innovation Technology, based in CN. Walker S1 is made by UBTECH Robotics Corp Ltd., based in CN.

When were Sanbot Nano and Walker S1 launched?

Sanbot Nano launched in 2017. Walker S1 launched in 2024.

How much does Sanbot Nano cost compared to Walker S1?

Sanbot Nano is listed at $2,800. Walker S1 is listed at $75,000.

How do Sanbot Nano and Walker S1 compare on the Robo Score?

Sanbot Nano scores 63.7 on the Robo Score. Walker S1 scores 69.6. The Robo Score is a 0–100 credibility figure blending commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.

What is the payload difference between Sanbot Nano and Walker S1?

Sanbot Nano carries up to 75 kg. Walker S1 carries up to 10 kg.

Are Sanbot Nano and Walker S1 in the same category?

Both robots are classified as Humanoid on Robolist. Filters and ranking treat them as direct alternatives.

What is the realistic total cost of ownership for Humanoid robots?

Hardware cost is one input. Humanoid TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Humanoid TCO: Hardware, Cloud Subscriptions, and the Cost of Teleop Time.

What should a buyer ask vendors when choosing between Sanbot Nano and Walker S1?

Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Vendor Selection for Humanoids: The 10 Questions You Must Ask.

Going deeper — picking the right robot

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About this comparison

Sanbot Nano vs Walker S1 compares two robots in the humanoid category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Score is calculated.