Walker S1 vs Unitree G1 EDU Ultimate A（U3)
Side-by-side comparison of Walker S1 (UBTECH Robotics Corp Ltd.) and Unitree G1 EDU Ultimate A（U3) (Unitree Robotics) — specs, pricing, Robolist Trust Score, and verified deployments. Updated daily.
 Walker S1humanoidUBTECH Robotics Corp Ltd.—Trust Score |  Unitree G1 EDU Ultimate A（U3)humanoidUnitree Robotics—Trust Score | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country | CN | CN |
| Year First Available (values differ) | 2012 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | US$75,000 | US$65,900 |
| Battery / Shift Runtime | 2 hrs | 2 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 1700 mm | 1270 mm |
| Weight (values differ) | 76 kg | 35 kg |
| Walking Speed (values differ) | 0.8 m/s | 2 m/s |
| Terrain | indoor | indoor |
| Payload & Dexterity | ||
| Payload (values differ) | 15 kg | 3 kg |
| Total DOF (values differ) | 41 | 43 |
| Arm DOF | 7 | 7 |
| Hand DOF (values differ) | 6 | 3 |
| Compute & AI | ||
| Onboard Compute (values differ) | N/A | NVIDIA Jetson Orin |
| Programming (values differ) | code_ros, no_code_gui | code_python, code_ros, visual_block |
| Battery & Power | ||
| Runtime (values differ) | 2.5 hrs | 2 hrs |
| Software | ||
| SDK Languages (values differ) | code_ros, no_code_gui | code_python, code_ros, visual_block |
| ROS Support | Yes | Yes |
| Open API | Yes | Yes |
| Commercial | ||
| Price (USD) (values differ) | $75,000 | $65,900 |
| Price Tier (values differ) | 50-150K | 40-80K |
| Pricing Model | purchase | purchase |
| Warranty (values differ) | 2 yrs | 1.5 yrs |
| Applications (values differ) | inspection, light assembly, material handling | education, research |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Mobility Type, Humanoid Subtype, Running Capable, Stair Climbing, Payload (Peak), Arm Reach, Grip Strength, Manipulation Repeatability, Bimanual Coordination, Tool Use, Compute Platform, VLM Capable, Foundation Models, Imitation Learning, Teleoperation, Battery Capacity, Charging Time, Charging Method, Battery Swap, 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, Deployment Maturity, IP Rating, Noise Level, RaaS / Month, Developer Unit Price, Delivery Lead Time, Production Pilots
About this comparison
Walker S1 vs Unitree G1 EDU Ultimate A（U3) 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.