GR-3 vs PR2
Side-by-side comparison of GR-3 (Fourier) and PR2 (Willow Garage) — specs, pricing, Robo Index, and verified deployments. Updated daily.
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Layer 1: Identity & Trust
Manufacturer Country
- GR-3China
- PR2United States
Year First Available
- GR-32025
- PR22010
Verified Deployments
- GR-30 Deployments
- PR20 Deployments
Layer 2: Operational
Price Range (USD)
- GR-3$80,000–$119,995
- PR2$400,000
Battery / Shift Runtime
- GR-32 hrs
- PR22 hrs
Availability Status
- GR-3ACTIVE
- PR2ACTIVE
Physical Form Factor
Height
- GR-3165 mm
- PR2164.5 mm
Weight
- GR-370 kg
- PR2200 kg
Mobility Type
- GR-3bipedal
- PR2bipedal
Humanoid Subtype
- GR-3full bipedal
- PR2full bipedal
Walking Speed
- GR-31.7 m/s
- PR21 m/s
Running Capable
- GR-3run capable
- PR2—
Stair Climbing
- GR-3Yes
- PR2—
Terrain
- GR-3flat indoor, uneven outdoor
- PR2flat indoor
Payload & Dexterity
Payload
- GR-33 kg
- PR21.8 kg
Total DOF
- GR-344
- PR232
Arm DOF
- GR-37
- PR27
Hand DOF
- GR-312
- PR21
Bimanual Coordination
- GR-3Yes
- PR2Yes
Compute & AI
Onboard Compute
- GR-3AMD Ryzen 7 8845HS (8-core 16-thread)
- PR2Two 8-core computers with a combined 48 GB of RAM
VLM Capable
- GR-3No
- PR2No
Foundation Models
- GR-3false
- PR2—
Imitation Learning
- GR-3Yes
- PR2No
Teleoperation
- GR-3full_body_suit
- PR2—
Programming
- GR-3lead-through programming, direct command
- PR2code_ros
Battery & Power
Runtime
- GR-33 hrs
- PR22 hrs
Battery Capacity
- GR-3—
- PR21.3 kWh
Charging Method
- GR-3manual swap
- PR2—
Battery Swap
- GR-3Yes
- PR2No
Safety
Human Detection Method
- GR-3multi modal
- PR2—
Software
SDK Languages
- GR-3Python, C++
- PR2Python
ROS Support
- GR-3Yes
- PR2ros1 community
Open API
- GR-3Yes
- PR2open rest
Air-Gap Capable
- GR-3—
- PR2Yes
Reliability
Deployment Maturity
- GR-3production scale
- PR2research
Commercial
Price (USD)
- GR-3$80,000–$119,995
- PR2$400,000
Price Tier
- GR-3150K+
- PR2<10K
Pricing Model
- GR-3capex
- PR2—
Warranty
- GR-32 yrs
- PR2—
Applications
- GR-3rehab, research, industrial, commercial_service
- PR2research
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | United States |
| Year First Available (values differ) | 2025 | 2010 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $80,000–$119,995 | $400,000 |
| Battery / Shift Runtime | 2 hrs | 2 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 165 mm | 164.5 mm |
| Weight (values differ) | 70 kg | 200 kg |
| Mobility Type | bipedal | bipedal |
| Humanoid Subtype | full bipedal | full bipedal |
| Walking Speed (values differ) | 1.7 m/s | 1 m/s |
| Running Capable (values differ) | run capable | — |
| Stair Climbing (values differ) | Yes | — |
| Terrain (values differ) | flat indoor, uneven outdoor | flat indoor |
| Payload & Dexterity | ||
| Payload (values differ) | 3 kg | 1.8 kg |
| Total DOF (values differ) | 44 | 32 |
| Arm DOF | 7 | 7 |
| Hand DOF (values differ) | 12 | 1 |
| Bimanual Coordination | Yes | Yes |
| Compute & AI | ||
| Onboard Compute (values differ) | AMD Ryzen 7 8845HS (8-core 16-thread) | Two 8-core computers with a combined 48 GB of RAM |
| VLM Capable | No | No |
| Foundation Models (values differ) | false | — |
| Imitation Learning (values differ) | Yes | No |
| Teleoperation (values differ) | full_body_suit | — |
| Programming (values differ) | lead-through programming, direct command | code_ros |
| Battery & Power | ||
| Runtime (values differ) | 3 hrs | 2 hrs |
| Battery Capacity (values differ) | — | 1.3 kWh |
| Charging Method (values differ) | manual swap | — |
| Battery Swap (values differ) | Yes | No |
| Safety | ||
| Human Detection Method (values differ) | multi modal | — |
| Software | ||
| SDK Languages (values differ) | Python, C++ | Python |
| ROS Support (values differ) | Yes | ros1 community |
| Open API (values differ) | Yes | open rest |
| Air-Gap Capable (values differ) | — | Yes |
| Reliability | ||
| Deployment Maturity (values differ) | production scale | research |
| Commercial | ||
| Price (USD) (values differ) | $80,000–$119,995 | $400,000 |
| Price Tier (values differ) | 150K+ | <10K |
| Pricing Model (values differ) | capex | — |
| Warranty (values differ) | 2 yrs | — |
| Applications (values differ) | rehab, research, industrial, commercial_service | research |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Payload (Peak), Arm Reach, Grip Strength, Manipulation Repeatability, Tool Use, Compute Platform, Charging Time, Avg Power Consumption, Force-Limited Arms, Fall Recovery, Fall Detection Response, Emergency Stops, Safe Speed Near Humans, Simulation Platforms, MTBF, Task Success Rate, IP Rating, Noise Level, RaaS / Month, Developer Unit Price, Delivery Lead Time, Production Pilots
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes GR-3 and PR2?
GR-3 is made by Fourier, based in CN. PR2 is made by Willow Garage, based in US.
When were GR-3 and PR2 launched?
GR-3 launched in 2025. PR2 launched in 2010.
How do GR-3 and PR2 compare on the Robo Index?
GR-3 scores 100/100. PR2 scores 100/100. 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 GR-3 and PR2?
GR-3 carries up to 3 kg. PR2 carries up to 1.8 kg.
Are GR-3 and PR2 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 GR-3 and PR2?
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
GR-3 vs PR2 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.