Armar 6 vs PR2
Side-by-side comparison of Armar 6 (Karlsruhe Institute of Technology) and PR2 (Willow Garage) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Hospitality & F&B buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- Armar 6Germany
- PR2United States
Year First Available
- Armar 62017
- PR22010
Verified Deployments
- Armar 60 Deployments
- PR20 Deployments
Layer 2: Operational
Price Range (USD)
- Armar 6$87
- PR2$400,000
Battery / Shift Runtime
- Armar 62 hrs
- PR22 hrs
Availability Status
- Armar 6ACTIVE
- PR2ACTIVE
Physical Form Factor
Weight
- Armar 6150 kg
- PR2200 kg
Height
- Armar 6192 mm
- PR2164.5 mm
Mobility Type
- Armar 6bipedal
- PR2bipedal
Humanoid Subtype
- Armar 6full bipedal
- PR2full bipedal
Walking Speed
- Armar 63.6 m/s
- PR21 m/s
Stair Climbing
- Armar 6No
- PR2—
Terrain
- Armar 6flat indoor
- PR2flat indoor
Payload & Dexterity
Payload
- Armar 610 kg
- PR21.8 kg
Total DOF
- Armar 627
- PR232
Arm DOF
- Armar 68
- PR27
Hand DOF
- Armar 64
- PR21
Bimanual Coordination
- Armar 6Yes
- PR2Yes
Tool Use
- Armar 6vendor demo
- PR2—
Compute & AI
Onboard Compute
- Armar 6Various computers for processing tasks
- PR2Two 8-core computers with a combined 48 GB of RAM
Compute Platform
- Armar 6Intel Core i7-6700
- PR2—
VLM Capable
- Armar 6No
- PR2No
Foundation Models
- Armar 6false
- PR2—
Imitation Learning
- Armar 6No
- PR2No
Programming
- Armar 6ArmarX (custom software)
- PR2code_ros
Battery & Power
Runtime
- Armar 62.5 hrs
- PR22 hrs
Battery Capacity
- Armar 6—
- PR21.3 kWh
Battery Swap
- Armar 6No
- PR2No
Safety
Human Detection Method
- Armar 6vision human
- PR2—
Software
SDK Languages
- Armar 6Python
- PR2Python
ROS Support
- Armar 6No
- PR2ros1 community
Open API
- Armar 6No
- PR2open rest
Air-Gap Capable
- Armar 6—
- PR2Yes
Reliability
Deployment Maturity
- Armar 6prototype
- PR2research
Commercial
Price (USD)
- Armar 6$87
- PR2$400,000
Price Tier
- Armar 6<10K
- PR2<10K
Pricing Model
- Armar 6capex
- PR2—
Applications
- Armar 6eldercare_assistance, hospitality
- PR2research
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Germany | United States |
| Year First Available (values differ) | 2017 | 2010 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $87 | $400,000 |
| Battery / Shift Runtime (priority for Hospitality & F&B buyers) | 2 hrs | 2 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Weight (priority for Hospitality & F&B buyers) (values differ) | 150 kg | 200 kg |
| Height (values differ) | 192 mm | 164.5 mm |
| Mobility Type | bipedal | bipedal |
| Humanoid Subtype | full bipedal | full bipedal |
| Walking Speed (values differ) | 3.6 m/s | 1 m/s |
| Stair Climbing (values differ) | No | — |
| Terrain (values differ) | flat indoor | flat indoor |
| Payload & Dexterity | ||
| Payload (values differ) | 10 kg | 1.8 kg |
| Total DOF (values differ) | 27 | 32 |
| Arm DOF (values differ) | 8 | 7 |
| Hand DOF (values differ) | 4 | 1 |
| Bimanual Coordination | Yes | Yes |
| Tool Use (values differ) | vendor demo | — |
| Compute & AI | ||
| Onboard Compute (values differ) | Various computers for processing tasks | Two 8-core computers with a combined 48 GB of RAM |
| Compute Platform (values differ) | Intel Core i7-6700 | — |
| VLM Capable | No | No |
| Foundation Models (values differ) | false | — |
| Imitation Learning | No | No |
| Programming (values differ) | ArmarX (custom software) | code_ros |
| Battery & Power | ||
| Runtime (values differ) | 2.5 hrs | 2 hrs |
| Battery Capacity (values differ) | — | 1.3 kWh |
| Battery Swap | No | No |
| Safety | ||
| Human Detection Method (values differ) | vision human | — |
| Software | ||
| SDK Languages (values differ) | Python | Python |
| ROS Support (values differ) | No | ros1 community |
| Open API (values differ) | No | open rest |
| Air-Gap Capable (values differ) | — | Yes |
| Reliability | ||
| Deployment Maturity (values differ) | prototype | research |
| Commercial | ||
| Price (USD) (values differ) | $87 | $400,000 |
| Price Tier | <10K | <10K |
| Pricing Model (values differ) | capex | — |
| Applications (values differ) | eldercare_assistance, hospitality | research |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Running Capable, Payload (Peak), Arm Reach, Grip Strength, Manipulation Repeatability, Teleoperation, Charging Time, Charging Method, 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, Warranty, Production Pilots
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes Armar 6 and PR2?
Armar 6 is made by Karlsruhe Institute of Technology, based in DE. PR2 is made by Willow Garage, based in US.
When were Armar 6 and PR2 launched?
Armar 6 launched in 2017. PR2 launched in 2010.
How much does Armar 6 cost compared to PR2?
Armar 6 is listed at $87. PR2 is listed at $400,000.
How do Armar 6 and PR2 compare on the Robo Index?
Armar 6 scores 100/100. PR2 scores 99/100. 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 Armar 6 and PR2?
Armar 6 carries up to 10 kg. PR2 carries up to 1.8 kg.
Are Armar 6 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 Armar 6 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
Armar 6 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.