Alpha 1S vs Robert
Side-by-side comparison of Alpha 1S (UBTECH Robotics Corp Ltd.) and Robert (VKF Renzel) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Hospitality & F&B buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- Alpha 1SChina
- RobertSwitzerland
Year First Available
- Alpha 1S2013
- Robert—
Verified Deployments
- Alpha 1S0 Deployments
- Robert0 Deployments
Layer 2: Operational
Price Range (USD)
- Alpha 1S$3,999
- Robert$119
Battery / Shift Runtime
- Alpha 1S1 hrs
- Robert5 hrs
Availability Status
- Alpha 1SACTIVE
- RobertACTIVE
Physical Form Factor
Weight
- Alpha 1S4 kg
- Robert0.3 kg
Height
- Alpha 1S59 mm
- Robert178 mm
Mobility Type
- Alpha 1Sbipedal
- Robertstatic
Humanoid Subtype
- Alpha 1Sservice humanoid
- Robertfull bipedal
Stair Climbing
- Alpha 1SNo
- Robert—
Terrain
- Alpha 1Sflat indoor
- Robertindoor
Payload & Dexterity
Total DOF
- Alpha 1S20
- Robert—
Arm DOF
- Alpha 1S3
- Robert—
Bimanual Coordination
- Alpha 1SNo
- Robert—
Compute & AI
Onboard Compute
- Alpha 1SRM 32位 Cortex-A7 CPU: 900MHz
- Robert—
VLM Capable
- Alpha 1SNo
- Robert—
Foundation Models
- Alpha 1Sfalse
- Robert—
Imitation Learning
- Alpha 1SNo
- Robert—
Programming
- Alpha 1Smodular programming
- Robertproprietary_app
Battery & Power
Runtime
- Alpha 1S1 hrs
- Robert5 hrs
Battery Swap
- Alpha 1SNo
- Robert—
Software
SDK Languages
- Alpha 1SChinese
- Robertproprietary_app
ROS Support
- Alpha 1SNo
- Robert—
Open API
- Alpha 1SNo
- Robert—
Reliability
Deployment Maturity
- Alpha 1Scommercial
- Robert—
Commercial
Price (USD)
- Alpha 1S$3,999
- Robert$119
Price Tier
- Alpha 1S40-80K
- Robert<10K
Pricing Model
- Alpha 1Spurchase
- Robertpurchase
Delivery Lead Time
- Alpha 1S—
- Robert1 mo
Applications
- Alpha 1S娱乐
- Robertconsumer_companion
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | Switzerland |
| Year First Available (values differ) | 2013 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $3,999 | $119 |
| Battery / Shift Runtime (priority for Hospitality & F&B buyers) (values differ) | 1 hrs | 5 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Weight (priority for Hospitality & F&B buyers) (values differ) | 4 kg | 0.3 kg |
| Height (values differ) | 59 mm | 178 mm |
| Mobility Type (values differ) | bipedal | static |
| Humanoid Subtype (values differ) | service humanoid | full bipedal |
| Stair Climbing (values differ) | No | — |
| Terrain (values differ) | flat indoor | indoor |
| Payload & Dexterity | ||
| Total DOF (values differ) | 20 | — |
| Arm DOF (values differ) | 3 | — |
| Bimanual Coordination (values differ) | No | — |
| Compute & AI | ||
| Onboard Compute (values differ) | RM 32位 Cortex-A7 CPU: 900MHz | — |
| VLM Capable (values differ) | No | — |
| Foundation Models (values differ) | false | — |
| Imitation Learning (values differ) | No | — |
| Programming (values differ) | modular programming | proprietary_app |
| Battery & Power | ||
| Runtime (values differ) | 1 hrs | 5 hrs |
| Battery Swap (values differ) | No | — |
| Software | ||
| SDK Languages (values differ) | Chinese | proprietary_app |
| ROS Support (values differ) | No | — |
| Open API (values differ) | No | — |
| Reliability | ||
| Deployment Maturity (values differ) | commercial | — |
| Commercial | ||
| Price (USD) (values differ) | $3,999 | $119 |
| Price Tier (values differ) | 40-80K | <10K |
| Pricing Model | purchase | purchase |
| Delivery Lead Time (values differ) | — | 1 mo |
| Applications (values differ) | 娱乐 | consumer_companion |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Walking Speed, Running Capable, Payload, Payload (Peak), Hand DOF, Arm Reach, Grip Strength, Manipulation Repeatability, Tool Use, Compute Platform, Teleoperation, Battery Capacity, Charging Time, Charging Method, Avg Power Consumption, Force-Limited Arms, Fall Recovery, Fall Detection Response, Emergency Stops, Human Detection Method, Safe Speed Near Humans, Simulation Platforms, Air-Gap Capable, MTBF, Task Success Rate, IP Rating, Noise Level, RaaS / Month, Developer Unit Price, Warranty, Production Pilots
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes Alpha 1S and Robert?
Alpha 1S is made by UBTECH Robotics Corp Ltd., based in CN. Robert is made by VKF Renzel, based in CH.
How much does Alpha 1S cost compared to Robert?
Alpha 1S is listed at $3,999. Robert is listed at $119.
How do Alpha 1S and Robert compare on the Robolist Product Score?
Alpha 1S scores 38/100. Robert scores 37/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
Are Alpha 1S and Robert 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 Alpha 1S and Robert?
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
Humanoid TCO: Hardware, Cloud Subscriptions, and the Cost of Teleop Time
8 min readHumanoid Robots
Vendor Selection for Humanoids: The 10 Questions You Must Ask
10 min readHumanoid Robots
Running a Humanoid Pilot: Scope, Success Criteria, and Exit Options
9 min readHumanoid Robots
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
About this comparison
Alpha 1S vs Robert 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 Product Score is calculated.