Side-by-side comparison of Tesla Optimus Gen 2 (Tesla) and Walker S1 (UBTECH Robotics Corp Ltd.) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Healthcare & Hospitals buyers. Priority specs lifted to the top and marked with a target.
Manufacturer Country


Year First Available


Verified Deployments


Price Range (USD)


Battery / Shift Runtime


Availability Status


Height


Weight


Mobility Type


Humanoid Subtype


Walking Speed


Stair Climbing


Terrain


Payload


Total DOF


Arm DOF


Hand DOF


Arm Reach


Bimanual Coordination


Tool Use


Onboard Compute


Compute Platform


VLM Capable


Foundation Models


Imitation Learning


Teleoperation


Programming


Runtime


Battery Capacity


Charging Method


Battery Swap


Force-Limited Arms


Fall Recovery


Human Detection Method


Safe Speed Near Humans


SDK Languages


ROS Support


Open API


Deployment Maturity


Price (USD)


Price Tier


Pricing Model


Warranty


Production Pilots


Applications


![]() | ![]() | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | United States | China |
| Year First Available (values differ) | 2023 | 2012 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $30,000 | $75,000 |
| Battery / Shift Runtime (values differ) | 8 hrs | 2 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 173 mm | 130 mm |
| Weight (values differ) | 57 kg | 76 kg |
| Mobility Type | bipedal | bipedal |
| Humanoid Subtype | full bipedal | full bipedal |
| Walking Speed (values differ) | 2.2 m/s | 0.8 m/s |
| Stair Climbing (values differ) | No | Yes |
| Terrain (values differ) | flat_indoor | flat indoor, uneven outdoor, gravel, tile, thick carpet, lawn |
| Payload & Dexterity | ||
| Payload (values differ) | 20 kg | 10 kg |
| Total DOF (values differ) | 28 | 41 |
| Arm DOF (values differ) | 22 | 7 |
| Hand DOF (values differ) | 22 | 6 |
| Arm Reach (values differ) | — | 60 cm |
| Bimanual Coordination (values differ) | coordinated planning | Yes |
| Tool Use (values differ) | vendor demo | — |
| Compute & AI | ||
| Onboard Compute (values differ) | Tesla FSD neural network | Intel i7 8665U Frequency 1.9Ghz *2, NVIDIA GT1030 graphics card, 384 cores |
| Compute Platform (values differ) | Tesla AI (Neural Networks) | — |
| VLM Capable | No | No |
| Foundation Models (values differ) | — | false |
| Imitation Learning (values differ) | multi task | No |
| Teleoperation (values differ) | joystick | — |
| Programming (values differ) | code_python, teleoperation | ROS 2.0 |
| Battery & Power | ||
| Runtime (values differ) | 8 hrs | 2 hrs |
| Battery Capacity (values differ) | 2.3 kWh | — |
| Charging Method (values differ) | auto dock | — |
| Battery Swap | No | No |
| Safety | ||
| Force-Limited Arms (values differ) | Yes | — |
| Fall Recovery (values differ) | Yes | — |
| Human Detection Method (values differ) | vision human | — |
| Safe Speed Near Humans (values differ) | software_defined | — |
| Software | ||
| SDK Languages (values differ) | Python | Python |
| ROS Support (values differ) | No | Yes |
| Open API (values differ) | closed | Yes |
| Reliability | ||
| Deployment Maturity (values differ) | production pilot | commercial |
| Commercial | ||
| Price (USD) (values differ) | $30,000 | $75,000 |
| Price Tier (values differ) | 20-40K | 40-80K |
| Pricing Model (values differ) | capex | purchase |
| Warranty (values differ) | — | 2 yrs |
| Production Pilots (values differ) | Tesla Fremont, Tesla Austin | — |
| Applications (values differ) | assembly, inspection, warehouse_transport | 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, Charging Time, Avg Power Consumption, Fall Detection Response, Emergency Stops, Simulation Platforms, Air-Gap Capable, MTBF, Task Success Rate, IP Rating, Noise Level, RaaS / Month, Developer Unit Price, Delivery Lead Time
Frequently asked
Tesla Optimus Gen 2 is made by Tesla, based in US. Walker S1 is made by UBTECH Robotics Corp Ltd., based in CN.
Tesla Optimus Gen 2 launched in 2023. Walker S1 launched in 2012.
Tesla Optimus Gen 2 is listed at $30,000. Walker S1 is listed at $75,000.
Tesla Optimus Gen 2 scores 69/100. Walker S1 scores 64/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
Tesla Optimus Gen 2 carries up to 20 kg. Walker S1 carries up to 10 kg.
Both robots are classified as Humanoid on Robolist. Filters and ranking treat them as direct alternatives.
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.
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
Tesla Optimus Gen 2 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 Robolist Product Score is calculated.