HRP-4C vs Petman
Side-by-side comparison of HRP-4C (AIST) and Petman (Boston Dynamics, Inc. (Hyundai Motor Group subsidiary)) — specs, pricing, Robolist Trust Score, and verified deployments. Updated daily.
 HRP-4ChumanoidAIST10.0Trust Score |  PetmanhumanoidBoston Dynamics, Inc. (Hyundai Motor Group subsidiary)10.0Trust Score | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | JP | US |
| Year First Available | 2009 | 2009 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 158 mm | 175 mm |
| Weight (values differ) | 46 kg | 79.4 kg |
| Mobility Type | bipedal | bipedal |
| Humanoid Subtype (values differ) | full bipedal | anthropomorphic torso |
| Walking Speed (values differ) | 0.5 m/s | 2 m/s |
| Running Capable (values differ) | static walk | run capable |
| Stair Climbing (values differ) | none | production ready |
| Terrain (values differ) | flat_indoor | flat_indoor, mild_incline, rough_indoor, outdoor_unstructured |
| Payload & Dexterity | ||
| Payload (values differ) | 0.5 kg | 32 kg |
| Payload (Peak) (values differ) | — | 50 kg |
| Total DOF (values differ) | 42 | 56 |
| Arm DOF (values differ) | 6 | — |
| Hand DOF (values differ) | 2 | — |
| Bimanual Coordination (values differ) | independent | — |
| Tool Use (values differ) | none | — |
| Compute & AI | ||
| Onboard Compute (values differ) | Intel Pentium M 1.6 GHz | Custom PC |
| VLM Capable (values differ) | none | — |
| Imitation Learning (values differ) | single task | — |
| Teleoperation (values differ) | motion_capture | — |
| Programming (values differ) | motion_capture, teleoperation | teleoperation |
| Battery & Power | ||
| Charging Method (values differ) | — | auto dock |
| Battery Swap (values differ) | — | Yes |
| Safety | ||
| Force-Limited Arms (values differ) | Yes | — |
| Fall Recovery (values differ) | Yes | Yes |
| Human Detection Method | vision human | vision human |
| Safe Speed Near Humans (values differ) | none | — |
| Software | ||
| SDK Languages (values differ) | motion_capture, teleoperation | teleoperation |
| ROS Support (values differ) | none | — |
| Simulation Platforms (values differ) | OpenHRP3 | — |
| Open API (values differ) | closed | limited rest |
| Reliability | ||
| Deployment Maturity | prototype | prototype |
| IP Rating (values differ) | — | water and dustproof |
| Commercial | ||
| Price Tier (values differ) | — | 150K+ |
| Pricing Model (values differ) | — | purchase |
| Production Pilots (values differ) | — | HMGMA |
| Applications (values differ) | entertainment, research | research |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Price Range (USD), Battery / Shift Runtime, Arm Reach, Grip Strength, Manipulation Repeatability, Compute Platform, Foundation Models, Runtime, Battery Capacity, Charging Time, Avg Power Consumption, Fall Detection Response, Emergency Stops, Air-Gap Capable, MTBF, Task Success Rate, Noise Level, Price (USD), RaaS / Month, Developer Unit Price, Delivery Lead Time, Warranty
About this comparison
HRP-4C vs Petman 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 Robolist Trust Score is calculated.