Tesla Optimus Gen 2 vs Walker S1
Side-by-side comparison of Tesla Optimus Gen 2 (Tesla) and Walker S1 (UBTECH Robotics Corp Ltd.) — specs, pricing, Robo Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Last-Mile Delivery buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- Tesla Optimus Gen 2United States
- Walker S1China
Year First Available
- Tesla Optimus Gen 22023
- Walker S12024
Verified Deployments
- Tesla Optimus Gen 20 Deployments
- Walker S10 Deployments
Layer 2: Operational
Price
- Tesla Optimus Gen 2$30,000 USD
- Walker S1$75,000 USD
Battery / Shift Runtime
- Tesla Optimus Gen 28 hrs
- Walker S12 hrs
Availability Status
- Tesla Optimus Gen 2ACTIVE
- Walker S1ACTIVE
Physical Form Factor
Height
- Tesla Optimus Gen 2173 mm
- Walker S1130 mm
Weight
- Tesla Optimus Gen 257 kg
- Walker S176 kg
Mobility Type
- Tesla Optimus Gen 2bipedal
- Walker S1bipedal
Humanoid Subtype
- Tesla Optimus Gen 2full bipedal
- Walker S1full bipedal
Walking Speed
- Tesla Optimus Gen 22.2 m/s
- Walker S10.8 m/s
Stair Climbing
- Tesla Optimus Gen 2No
- Walker S1Yes
Terrain
- Tesla Optimus Gen 2flat_indoor
- Walker S1flat indoor, uneven outdoor, gravel, tile, thick carpet, lawn
Payload & Dexterity
Payload
- Tesla Optimus Gen 220 kg
- Walker S110 kg
Total DOF
- Tesla Optimus Gen 228
- Walker S141
Arm DOF
- Tesla Optimus Gen 222
- Walker S17
Hand DOF
- Tesla Optimus Gen 222
- Walker S16
Arm Reach
- Tesla Optimus Gen 2—
- Walker S160 cm
Bimanual Coordination
- Tesla Optimus Gen 2coordinated planning
- Walker S1Yes
Tool Use
- Tesla Optimus Gen 2vendor demo
- Walker S1—
Compute & AI
Onboard Compute
- Tesla Optimus Gen 2Tesla FSD neural network
- Walker S1Intel i7 8665U Frequency 1.9Ghz *2, NVIDIA GT1030 graphics card, 384 cores
Compute Platform
- Tesla Optimus Gen 2Tesla AI (Neural Networks)
- Walker S1—
VLM Capable
- Tesla Optimus Gen 2No
- Walker S1No
Foundation Models
- Tesla Optimus Gen 2—
- Walker S1false
Imitation Learning
- Tesla Optimus Gen 2multi task
- Walker S1No
Teleoperation
- Tesla Optimus Gen 2joystick
- Walker S1—
Programming
- Tesla Optimus Gen 2code_python, teleoperation
- Walker S1ROS 2.0
Battery & Power
Runtime
- Tesla Optimus Gen 28 hrs
- Walker S12 hrs
Battery Capacity
- Tesla Optimus Gen 22.3 kWh
- Walker S1—
Charging Method
- Tesla Optimus Gen 2auto dock
- Walker S1—
Battery Swap
- Tesla Optimus Gen 2No
- Walker S1No
Safety
Force-Limited Arms
- Tesla Optimus Gen 2Yes
- Walker S1—
Fall Recovery
- Tesla Optimus Gen 2Yes
- Walker S1—
Human Detection Method
- Tesla Optimus Gen 2vision human
- Walker S1—
Safe Speed Near Humans
- Tesla Optimus Gen 2software_defined
- Walker S1—
Software
SDK Languages
- Tesla Optimus Gen 2Python
- Walker S1Python
ROS Support
- Tesla Optimus Gen 2No
- Walker S1Yes
Open API
- Tesla Optimus Gen 2closed
- Walker S1Yes
Reliability
Deployment Maturity
- Tesla Optimus Gen 2production pilot
- Walker S1commercial
Commercial
Price (USD)
- Tesla Optimus Gen 2$30,000 USD
- Walker S1$75,000 USD
Price Tier
- Tesla Optimus Gen 220-40K
- Walker S140-80K
Pricing Model
- Tesla Optimus Gen 2capex
- Walker S1purchase
Warranty
- Tesla Optimus Gen 2—
- Walker S12 yrs
Production Pilots
- Tesla Optimus Gen 2Tesla Fremont, Tesla Austin
- Walker S1—
Applications
- Tesla Optimus Gen 2assembly, inspection, warehouse_transport
- Walker S1service, entertainment, education
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | United States | China |
| Year First Available (values differ) | 2023 | 2024 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $30,000 USD | $75,000 USD |
| Battery / Shift Runtime (priority for Last-Mile Delivery buyers) (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 USD | $75,000 USD |
| 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
ROI Comparison
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | Tesla Optimus Gen 2 | Walker S1 |
|---|---|---|
| Investment | $30,000 | $75,000 |
| Payback period | 7.2 mo | 18.0 mo |
| Net savings (5 yr) | $220,000 | $175,000 |
| ROI (5 yr) | +733% | +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 Tesla Optimus Gen 2 and Walker S1?
Tesla Optimus Gen 2 is made by Tesla, based in US. Walker S1 is made by UBTECH Robotics Corp Ltd., based in CN.
When were Tesla Optimus Gen 2 and Walker S1 launched?
Tesla Optimus Gen 2 launched in 2023. Walker S1 launched in 2024.
How much does Tesla Optimus Gen 2 cost compared to Walker S1?
Tesla Optimus Gen 2 is listed at $30,000. Walker S1 is listed at $75,000.
How do Tesla Optimus Gen 2 and Walker S1 compare on the Robo Score?
Tesla Optimus Gen 2 scores 57.6 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 Tesla Optimus Gen 2 and Walker S1?
Tesla Optimus Gen 2 carries up to 20 kg. Walker S1 carries up to 10 kg.
Are Tesla Optimus Gen 2 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 Tesla Optimus Gen 2 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
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
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About this comparison
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 Robo Score is calculated.