HRP-4 vs TOPIO Dio
Side-by-side comparison of HRP-4 (Kawada Industries) and TOPIO Dio (Yoyodyne) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Cleaning & Facilities buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- HRP-4Japan
- TOPIO Dio—
Year First Available
- HRP-42010
- TOPIO Dio2010
Verified Deployments
- HRP-40 Deployments
- TOPIO Dio0 Deployments
Layer 2: Operational
Price Range (USD)
- HRP-4$300,000
- TOPIO Dio$95
Battery / Shift Runtime
- HRP-40.4 hrs
- TOPIO Dio12 hrs
Availability Status
- HRP-4ACTIVE
- TOPIO DioACTIVE
Physical Form Factor
Weight
- HRP-439 kg
- TOPIO Dio0.1 kg
Height
- HRP-4151 mm
- TOPIO Dio1250 mm
Mobility Type
- HRP-4bipedal
- TOPIO Dio—
Humanoid Subtype
- HRP-4research platform
- TOPIO Dio—
Walking Speed
- HRP-40.6 m/s
- TOPIO Dio5.6 m/s
Stair Climbing
- HRP-4No
- TOPIO Dio—
Terrain
- HRP-4flat indoor
- TOPIO Dioindoor
Payload & Dexterity
Payload
- HRP-40.5 kg
- TOPIO Dio50 kg
Total DOF
- HRP-434
- TOPIO Dio28
Arm DOF
- HRP-47
- TOPIO Dio—
Hand DOF
- HRP-42
- TOPIO Dio—
Bimanual Coordination
- HRP-4Yes
- TOPIO Dio—
Compute & AI
Onboard Compute
- HRP-4Linux kernel with RT-Preempt patch
- TOPIO Dio—
Compute Platform
- HRP-4Intel Pentium M (1.6 GHz)
- TOPIO Dio—
VLM Capable
- HRP-4No
- TOPIO Dio—
Foundation Models
- HRP-4false
- TOPIO Dio—
Imitation Learning
- HRP-4No
- TOPIO Dio—
Programming
- HRP-4code_ros
- TOPIO Dioremote_control
Battery & Power
Runtime
- HRP-40.4 hrs
- TOPIO Dio12 hrs
Battery Swap
- HRP-4No
- TOPIO Dio—
Safety
Human Detection Method
- HRP-4vision human
- TOPIO Dio—
Software
SDK Languages
- HRP-4Linux
- TOPIO Dioremote_control
ROS Support
- HRP-4Yes
- TOPIO Dio—
Open API
- HRP-4No
- TOPIO Dio—
Reliability
Deployment Maturity
- HRP-4prototype
- TOPIO Dio—
Commercial
Price (USD)
- HRP-4$300,000
- TOPIO Dio$95
Price Tier
- HRP-4150K+
- TOPIO Dio80-150K
Pricing Model
- HRP-4purchase
- TOPIO Dio—
Applications
- HRP-4research
- TOPIO Diocleaning, food preparation, entertainment, valet service
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Japan | — |
| Year First Available | 2010 | 2010 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $300,000 | $95 |
| Battery / Shift Runtime (priority for Cleaning & Facilities buyers) (values differ) | 0.4 hrs | 12 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Weight (priority for Cleaning & Facilities buyers) (values differ) | 39 kg | 0.1 kg |
| Height (values differ) | 151 mm | 1250 mm |
| Mobility Type (values differ) | bipedal | — |
| Humanoid Subtype (values differ) | research platform | — |
| Walking Speed (values differ) | 0.6 m/s | 5.6 m/s |
| Stair Climbing (values differ) | No | — |
| Terrain (values differ) | flat indoor | indoor |
| Payload & Dexterity | ||
| Payload (values differ) | 0.5 kg | 50 kg |
| Total DOF (values differ) | 34 | 28 |
| Arm DOF (values differ) | 7 | — |
| Hand DOF (values differ) | 2 | — |
| Bimanual Coordination (values differ) | Yes | — |
| Compute & AI | ||
| Onboard Compute (values differ) | Linux kernel with RT-Preempt patch | — |
| Compute Platform (values differ) | Intel Pentium M (1.6 GHz) | — |
| VLM Capable (values differ) | No | — |
| Foundation Models (values differ) | false | — |
| Imitation Learning (values differ) | No | — |
| Programming (values differ) | code_ros | remote_control |
| Battery & Power | ||
| Runtime (values differ) | 0.4 hrs | 12 hrs |
| Battery Swap (values differ) | No | — |
| Safety | ||
| Human Detection Method (values differ) | vision human | — |
| Software | ||
| SDK Languages (values differ) | Linux | remote_control |
| ROS Support (values differ) | Yes | — |
| Open API (values differ) | No | — |
| Reliability | ||
| Deployment Maturity (values differ) | prototype | — |
| Commercial | ||
| Price (USD) (values differ) | $300,000 | $95 |
| Price Tier (values differ) | 150K+ | 80-150K |
| Pricing Model (values differ) | purchase | — |
| Applications (values differ) | research | cleaning, food preparation, entertainment, valet service |
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, Tool Use, Teleoperation, Battery Capacity, Charging Time, Charging Method, Avg Power Consumption, Force-Limited Arms, Fall Recovery, Fall Detection Response, Emergency Stops, Safe Speed Near Humans, Simulation Platforms, Air-Gap Capable, 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 HRP-4 and TOPIO Dio?
HRP-4 is made by Kawada Industries, based in JP. TOPIO Dio is made by Yoyodyne.
When were HRP-4 and TOPIO Dio launched?
HRP-4 launched in 2010. TOPIO Dio launched in 2010.
How much does HRP-4 cost compared to TOPIO Dio?
HRP-4 is listed at $300,000. TOPIO Dio is listed at $95.
How do HRP-4 and TOPIO Dio compare on the Robolist Product Score?
HRP-4 scores 100/100. TOPIO Dio scores 71/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
What is the payload difference between HRP-4 and TOPIO Dio?
HRP-4 carries up to 0.5 kg. TOPIO Dio carries up to 50 kg.
Are HRP-4 and TOPIO Dio 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 HRP-4 and TOPIO Dio?
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
About this comparison
HRP-4 vs TOPIO Dio 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 Product Score is calculated.