Side-by-side comparison of AlphaBot 2 (智平方科技) and PR2 (Willow Garage) — 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.
Manufacturer Country

Year First Available

Verified Deployments

Price Range (USD)

Battery / Shift Runtime

Availability Status

Height

Weight

Mobility Type

Humanoid Subtype

Walking Speed

Running Capable

Stair Climbing

Terrain

Payload

Total DOF

Arm DOF

Hand DOF

Arm Reach

Manipulation Repeatability

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

Air-Gap Capable

Deployment Maturity

Price (USD)

Price Tier

Pricing Model

Production Pilots

Applications

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|---|---|---|
| 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) | Contact for quote | $400,000 USD |
| Battery / Shift Runtime (values differ) | 6 hrs | 2 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | — | 164.5 mm |
| Weight (values differ) | — | 200 kg |
| Mobility Type | bipedal | bipedal |
| Humanoid Subtype | full bipedal | full bipedal |
| Walking Speed (values differ) | — | 1 m/s |
| Running Capable (values differ) | static walk | — |
| Stair Climbing (values differ) | Yes | — |
| Terrain (values differ) | flat indoor, uneven outdoor | flat indoor |
| Payload & Dexterity | ||
| Payload (values differ) | — | 1.8 kg |
| Total DOF (values differ) | 34 | 32 |
| Arm DOF (values differ) | — | 7 |
| Hand DOF (values differ) | — | 1 |
| Arm Reach (values differ) | 70 cm | — |
| Manipulation Repeatability (values differ) | ±0.02 mm | — |
| Bimanual Coordination | Yes | Yes |
| Tool Use (values differ) | production validated | — |
| Compute & AI | ||
| Onboard Compute (values differ) | Alpha Brain | Two 8-core computers with a combined 48 GB of RAM |
| Compute Platform (values differ) | ATMEGA328P-AU (8-bit AVR, 16 MHz) | — |
| VLM Capable | No | No |
| Foundation Models (values differ) | Alpha Brain GOVLA | — |
| Imitation Learning | No | No |
| Teleoperation (values differ) | none | — |
| Programming (values differ) | VLA (Vision-Language-Action) | code_ros |
| Battery & Power | ||
| Runtime (values differ) | 6 hrs | 2 hrs |
| Battery Capacity (values differ) | — | 1.3 kWh |
| Charging Method (values differ) | manual swap | — |
| Battery Swap | No | No |
| Safety | ||
| Force-Limited Arms (values differ) | Yes | — |
| Fall Recovery (values differ) | Yes | — |
| Human Detection Method (values differ) | multi modal | — |
| Safe Speed Near Humans (values differ) | none | — |
| Software | ||
| SDK Languages (values differ) | Python, ROS2 | Python |
| ROS Support (values differ) | ros2 vendor | ros1 community |
| Open API (values differ) | open rest websocket | open rest |
| Air-Gap Capable | Yes | Yes |
| Reliability | ||
| Deployment Maturity (values differ) | commercial | research |
| Commercial | ||
| Price (USD) (values differ) | Contact for quote | $400,000 USD |
| Price Tier (values differ) | 150K+ | <10K |
| Pricing Model (values differ) | capex, pilot_fee | — |
| Production Pilots (values differ) | Huaxi Bio (华熙生物) | — |
| Applications (values differ) | assembly, inspection, warehouse_transport, hospitality | research |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Payload (Peak), Grip Strength, Charging Time, Avg Power Consumption, Fall Detection Response, Emergency Stops, Simulation Platforms, MTBF, Task Success Rate, IP Rating, Noise Level, RaaS / Month, Developer Unit Price, Delivery Lead Time, Warranty
Frequently asked
AlphaBot 2 is made by 智平方科技, based in CN. PR2 is made by Willow Garage, based in US.
AlphaBot 2 launched in 2025. PR2 launched in 2010.
AlphaBot 2 scores 43/100. PR2 scores 99/100. The Robo Index blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
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
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AlphaBot 2 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.