PR2 vs ROBOTERA STAR1
Side-by-side comparison of PR2 (Willow Garage) and ROBOTERA STAR1 (Robotera) — specs, pricing, Robo Index, and verified deployments. Updated daily.
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Optimized for Manufacturing buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- PR2United States
- ROBOTERA STAR1China
Year First Available
- PR22010
- ROBOTERA STAR12024
Verified Deployments
- PR20 Deployments
- ROBOTERA STAR10 Deployments
Layer 2: Operational
Price Range (USD)
- PR2$400,000 USD
- ROBOTERA STAR1$120,000 USD
Battery / Shift Runtime
- PR22 hrs
- ROBOTERA STAR14 hrs
Availability Status
- PR2ACTIVE
- ROBOTERA STAR1ACTIVE
Physical Form Factor
Height
- PR2164.5 mm
- ROBOTERA STAR1171 mm
Weight
- PR2200 kg
- ROBOTERA STAR163 kg
Mobility Type
- PR2bipedal
- ROBOTERA STAR1bipedal
Humanoid Subtype
- PR2full bipedal
- ROBOTERA STAR1full bipedal
Walking Speed
- PR21 m/s
- ROBOTERA STAR13.6 m/s
Running Capable
- PR2—
- ROBOTERA STAR1run capable
Stair Climbing
- PR2—
- ROBOTERA STAR1No
Terrain
- PR2flat indoor
- ROBOTERA STAR1flat indoor, uneven outdoor
Payload & Dexterity
Payload
- PR21.8 kg
- ROBOTERA STAR125 kg
Payload (Peak)
- PR2—
- ROBOTERA STAR120 kg
Total DOF
- PR232
- ROBOTERA STAR155
Arm DOF
- PR27
- ROBOTERA STAR17
Hand DOF
- PR21
- ROBOTERA STAR112
Bimanual Coordination
- PR2Yes
- ROBOTERA STAR1No
Compute & AI
Onboard Compute
- PR2Two 8-core computers with a combined 48 GB of RAM
- ROBOTERA STAR1275 TOPS
VLM Capable
- PR2No
- ROBOTERA STAR1No
Imitation Learning
- PR2No
- ROBOTERA STAR1No
Programming
- PR2code_ros
- ROBOTERA STAR1ERA-42 AI model
Battery & Power
Runtime
- PR22 hrs
- ROBOTERA STAR14 hrs
Battery Capacity
- PR21.3 kWh
- ROBOTERA STAR1—
Battery Swap
- PR2No
- ROBOTERA STAR1No
Software
SDK Languages
- PR2Python
- ROBOTERA STAR1ERA-42 AI model
ROS Support
- PR2ros1 community
- ROBOTERA STAR1No
Open API
- PR2open rest
- ROBOTERA STAR1No
Air-Gap Capable
- PR2Yes
- ROBOTERA STAR1—
Reliability
Deployment Maturity
- PR2research
- ROBOTERA STAR1prototype
Commercial
Price (USD)
- PR2$400,000 USD
- ROBOTERA STAR1$120,000 USD
Price Tier
- PR2<10K
- ROBOTERA STAR1—
Pricing Model
- PR2—
- ROBOTERA STAR1purchase
Applications
- PR2research
- ROBOTERA STAR1research, industrial, commercial_service
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | United States | China |
| Year First Available (values differ) | 2010 | 2024 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $400,000 USD | $120,000 USD |
| Battery / Shift Runtime (values differ) | 2 hrs | 4 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 164.5 mm | 171 mm |
| Weight (values differ) | 200 kg | 63 kg |
| Mobility Type | bipedal | bipedal |
| Humanoid Subtype | full bipedal | full bipedal |
| Walking Speed (values differ) | 1 m/s | 3.6 m/s |
| Running Capable (values differ) | — | run capable |
| Stair Climbing (values differ) | — | No |
| Terrain (values differ) | flat indoor | flat indoor, uneven outdoor |
| Payload & Dexterity | ||
| Payload (values differ) | 1.8 kg | 25 kg |
| Payload (Peak) (values differ) | — | 20 kg |
| Total DOF (values differ) | 32 | 55 |
| Arm DOF | 7 | 7 |
| Hand DOF (values differ) | 1 | 12 |
| Bimanual Coordination (values differ) | Yes | No |
| Compute & AI | ||
| Onboard Compute (values differ) | Two 8-core computers with a combined 48 GB of RAM | 275 TOPS |
| VLM Capable | No | No |
| Imitation Learning | No | No |
| Programming (values differ) | code_ros | ERA-42 AI model |
| Battery & Power | ||
| Runtime (values differ) | 2 hrs | 4 hrs |
| Battery Capacity (values differ) | 1.3 kWh | — |
| Battery Swap | No | No |
| Software | ||
| SDK Languages (values differ) | Python | ERA-42 AI model |
| ROS Support (values differ) | ros1 community | No |
| Open API (values differ) | open rest | No |
| Air-Gap Capable (values differ) | Yes | — |
| Reliability | ||
| Deployment Maturity (values differ) | research | prototype |
| Commercial | ||
| Price (USD) (values differ) | $400,000 USD | $120,000 USD |
| Price Tier (values differ) | <10K | — |
| Pricing Model (values differ) | — | purchase |
| Applications (values differ) | research | research, industrial, commercial_service |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Arm Reach, Grip Strength, Manipulation Repeatability, Tool Use, Compute Platform, Foundation Models, Teleoperation, 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, MTBF, Task Success Rate, IP Rating, Noise Level, RaaS / Month, Developer Unit Price, Delivery Lead Time, Warranty, Production Pilots
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes PR2 and ROBOTERA STAR1?
PR2 is made by Willow Garage, based in US. ROBOTERA STAR1 is made by Robotera, based in CN.
When were PR2 and ROBOTERA STAR1 launched?
PR2 launched in 2010. ROBOTERA STAR1 launched in 2024.
How much does PR2 cost compared to ROBOTERA STAR1?
PR2 is listed at $400,000. ROBOTERA STAR1 is listed at $120,000.
How do PR2 and ROBOTERA STAR1 compare on the Robo Index?
PR2 scores 99/100. ROBOTERA STAR1 scores 87/100. The Robo Index blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
What is the payload difference between PR2 and ROBOTERA STAR1?
PR2 carries up to 1.8 kg. ROBOTERA STAR1 carries up to 20 kg.
Are PR2 and ROBOTERA STAR1 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 PR2 and ROBOTERA STAR1?
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
PR2 vs ROBOTERA STAR1 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 Index is calculated.