DARwIn OP vs UBTECH Walker S1
Side-by-side comparison of DARwIn OP (RoMeLa) and UBTECH Walker S1 (UBTECH Robotics Corp Ltd.) — specs, pricing, Robolist Trust Score, and verified deployments. Updated daily.
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Layer 1: Identity & Trust
Manufacturer Country
DARwIn OPKR
UBTECH Walker S1CN
Verified Deployments
- DARwIn OP0 Deployments
- UBTECH Walker S10 Deployments
Layer 2: Operational
Price Range (USD)
- DARwIn OP$499
- UBTECH Walker S1$75,000
Battery / Shift Runtime
- DARwIn OP0.5 hrs
- UBTECH Walker S12 hrs
Availability Status
- DARwIn OPACTIVE
- UBTECH Walker S1ACTIVE
Physical Form Factor
Height
- DARwIn OP455 mm
- UBTECH Walker S1172 mm
Weight
- DARwIn OP9.1 kg
- UBTECH Walker S176 kg
Mobility Type
- DARwIn OP—
- UBTECH Walker S1bipedal
Humanoid Subtype
- DARwIn OPbipedal
- UBTECH Walker S1full bipedal
Walking Speed
- DARwIn OP0.2 m/s
- UBTECH Walker S10.8 m/s
Running Capable
- DARwIn OP—
- UBTECH Walker S1dynamic walk
Terrain
- DARwIn OPindoor
- UBTECH Walker S1flat_indoor
Payload & Dexterity
Payload
- DARwIn OP—
- UBTECH Walker S115 kg
Total DOF
- DARwIn OP20
- UBTECH Walker S141
Arm DOF
- DARwIn OP3
- UBTECH Walker S1—
Bimanual Coordination
- DARwIn OP—
- UBTECH Walker S1full bimanual
Tool Use
- DARwIn OP—
- UBTECH Walker S1production validated
Compute & AI
Onboard Compute
- DARwIn OPIntel Atom N2600 @1.6 GHz dual core
- UBTECH Walker S1—
VLM Capable
- DARwIn OP—
- UBTECH Walker S1onboard small
Foundation Models
- DARwIn OP—
- UBTECH Walker S1RT-X
Imitation Learning
- DARwIn OP—
- UBTECH Walker S1multi task
Programming
- DARwIn OPC++, Python, LabVIEW, MATLAB
- UBTECH Walker S1ROS 2.0
Battery & Power
Runtime
- DARwIn OP0.5 hrs
- UBTECH Walker S12 hrs
Safety
Force-Limited Arms
- DARwIn OP—
- UBTECH Walker S1Yes
Fall Recovery
- DARwIn OP—
- UBTECH Walker S1Yes
Human Detection Method
- DARwIn OP—
- UBTECH Walker S1multi modal
Safe Speed Near Humans
- DARwIn OP—
- UBTECH Walker S1ssm_equivalent
Software
SDK Languages
- DARwIn OPC++, Python, LabVIEW, MATLAB
- UBTECH Walker S1Python, C++
ROS Support
- DARwIn OPYes
- UBTECH Walker S1ros2 vendor
Simulation Platforms
- DARwIn OP—
- UBTECH Walker S1NVIDIA Isaac Sim
Open API
- DARwIn OPYes
- UBTECH Walker S1open rest
Air-Gap Capable
- DARwIn OP—
- UBTECH Walker S1Yes
Reliability
Deployment Maturity
- DARwIn OP—
- UBTECH Walker S1production pilot
Commercial
Price (USD)
- DARwIn OP$499
- UBTECH Walker S1$75,000
Price Tier
- DARwIn OP10-20K
- UBTECH Walker S140-80K
Pricing Model
- DARwIn OP—
- UBTECH Walker S1purchase
Delivery Lead Time
- DARwIn OP—
- UBTECH Walker S12 mo
Warranty
- DARwIn OP1 yrs
- UBTECH Walker S1—
Production Pilots
- DARwIn OP—
- UBTECH Walker S1BMW Spartanburg, Mercedes-Benz
Applications
- DARwIn OPeducation, research, outreach
- UBTECH Walker S1service, entertainment, education
| DARwIn OPhumanoidRoMeLa 37.2Trust Score | UBTECH Walker S1humanoidUBTECH Robotics Corp Ltd. 54.9Trust Score | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | KR | CN |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $499 | $75,000 |
| Battery / Shift Runtime (values differ) | 0.5 hrs | 2 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 455 mm | 172 mm |
| Weight (values differ) | 9.1 kg | 76 kg |
| Mobility Type (values differ) | — | bipedal |
| Humanoid Subtype (values differ) | bipedal | full bipedal |
| Walking Speed (values differ) | 0.2 m/s | 0.8 m/s |
| Running Capable (values differ) | — | dynamic walk |
| Terrain (values differ) | indoor | flat_indoor |
| Payload & Dexterity | ||
| Payload (values differ) | — | 15 kg |
| Total DOF (values differ) | 20 | 41 |
| Arm DOF (values differ) | 3 | — |
| Bimanual Coordination (values differ) | — | full bimanual |
| Tool Use (values differ) | — | production validated |
| Compute & AI | ||
| Onboard Compute (values differ) | Intel Atom N2600 @1.6 GHz dual core | — |
| VLM Capable (values differ) | — | onboard small |
| Foundation Models (values differ) | — | RT-X |
| Imitation Learning (values differ) | — | multi task |
| Programming (values differ) | C++, Python, LabVIEW, MATLAB | ROS 2.0 |
| Battery & Power | ||
| Runtime (values differ) | 0.5 hrs | 2 hrs |
| Safety | ||
| Force-Limited Arms (values differ) | — | Yes |
| Fall Recovery (values differ) | — | Yes |
| Human Detection Method (values differ) | — | multi modal |
| Safe Speed Near Humans (values differ) | — | ssm_equivalent |
| Software | ||
| SDK Languages (values differ) | C++, Python, LabVIEW, MATLAB | Python, C++ |
| ROS Support (values differ) | Yes | ros2 vendor |
| Simulation Platforms (values differ) | — | NVIDIA Isaac Sim |
| Open API (values differ) | Yes | open rest |
| Air-Gap Capable (values differ) | — | Yes |
| Reliability | ||
| Deployment Maturity (values differ) | — | production pilot |
| Commercial | ||
| Price (USD) (values differ) | $499 | $75,000 |
| Price Tier (values differ) | 10-20K | 40-80K |
| Pricing Model (values differ) | — | purchase |
| Delivery Lead Time (values differ) | — | 2 mo |
| Warranty (values differ) | 1 yrs | — |
| Production Pilots (values differ) | — | BMW Spartanburg, Mercedes-Benz |
| Applications (values differ) | education, research, outreach | service, entertainment, education |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Year First Available, Stair Climbing, Payload (Peak), Hand DOF, Arm Reach, Grip Strength, Manipulation Repeatability, Compute Platform, Teleoperation, Battery Capacity, Charging Time, Charging Method, Battery Swap, Avg Power Consumption, Fall Detection Response, Emergency Stops, MTBF, Task Success Rate, IP Rating, Noise Level, RaaS / Month, Developer Unit Price
About this comparison
DARwIn OP vs UBTECH 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 Robolist Trust Score is calculated.