HRP-4 vs iR18 - 1000
Side-by-side comparison of HRP-4 (Kawada Industries) and iR18 - 1000 (Unical Robot) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Warehousing & Logistics buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- HRP-4Japan
- iR18 - 1000Thailand
Year First Available
- HRP-42010
- iR18 - 1000—
Verified Deployments
- HRP-40 Deployments
- iR18 - 10000 Deployments
Layer 2: Operational
Price Range (USD)
- HRP-4$300,000
- iR18 - 1000$53,134
Battery / Shift Runtime
- HRP-40.4 hrs
- iR18 - 1000—
Availability Status
- HRP-4ACTIVE
- iR18 - 1000ACTIVE
Physical Form Factor
Height
- HRP-4151 mm
- iR18 - 100050 cm
Weight
- HRP-439 kg
- iR18 - 100057.2 kg
Mobility Type
- HRP-4bipedal
- iR18 - 1000static
Humanoid Subtype
- HRP-4research platform
- iR18 - 1000other
Walking Speed
- HRP-40.6 m/s
- iR18 - 1000—
Stair Climbing
- HRP-4No
- iR18 - 1000No
Terrain
- HRP-4flat indoor
- iR18 - 1000factory, warehouse
Payload & Dexterity
Payload
- HRP-40.5 kg
- iR18 - 100015 kg
Payload (Peak)
- HRP-4—
- iR18 - 100017.5 kg
Total DOF
- HRP-434
- iR18 - 10006
Arm DOF
- HRP-47
- iR18 - 10006
Hand DOF
- HRP-42
- iR18 - 1000—
Arm Reach
- HRP-4—
- iR18 - 100095 cm
Manipulation Repeatability
- HRP-4—
- iR18 - 1000±0.05 mm
Bimanual Coordination
- HRP-4Yes
- iR18 - 1000No
Compute & AI
Onboard Compute
- HRP-4Linux kernel with RT-Preempt patch
- iR18 - 1000—
Compute Platform
- HRP-4Intel Pentium M (1.6 GHz)
- iR18 - 1000—
VLM Capable
- HRP-4No
- iR18 - 1000No
Foundation Models
- HRP-4false
- iR18 - 1000false
Imitation Learning
- HRP-4No
- iR18 - 1000No
Programming
- HRP-4code_ros
- iR18 - 1000MachineLogic
Battery & Power
Runtime
- HRP-40.4 hrs
- iR18 - 1000—
Battery Swap
- HRP-4No
- iR18 - 1000No
Avg Power Consumption
- HRP-4—
- iR18 - 1000350 W
Safety
Human Detection Method
- HRP-4vision human
- iR18 - 1000—
Software
SDK Languages
- HRP-4Linux
- iR18 - 1000Python
ROS Support
- HRP-4Yes
- iR18 - 1000No
Open API
- HRP-4No
- iR18 - 1000No
Reliability
Deployment Maturity
- HRP-4prototype
- iR18 - 1000commercial
IP Rating
- HRP-4—
- iR18 - 1000IP65
Commercial
Price (USD)
- HRP-4$300,000
- iR18 - 1000$53,134
Price Tier
- HRP-4150K+
- iR18 - 1000under_50k
Pricing Model
- HRP-4purchase
- iR18 - 1000outright purchase
Warranty
- HRP-4—
- iR18 - 10001 yrs
Applications
- HRP-4research
- iR18 - 1000warehouse_transport, assembly, inspection
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Japan | Thailand |
| Year First Available (values differ) | 2010 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $300,000 | $53,134 |
| Battery / Shift Runtime (priority for Warehousing & Logistics buyers) (values differ) | 0.4 hrs | — |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 151 mm | 50 cm |
| Weight (values differ) | 39 kg | 57.2 kg |
| Mobility Type (values differ) | bipedal | static |
| Humanoid Subtype (values differ) | research platform | other |
| Walking Speed (values differ) | 0.6 m/s | — |
| Stair Climbing | No | No |
| Terrain (values differ) | flat indoor | factory, warehouse |
| Payload & Dexterity | ||
| Payload (values differ) | 0.5 kg | 15 kg |
| Payload (Peak) (values differ) | — | 17.5 kg |
| Total DOF (values differ) | 34 | 6 |
| Arm DOF (values differ) | 7 | 6 |
| Hand DOF (values differ) | 2 | — |
| Arm Reach (values differ) | — | 95 cm |
| Manipulation Repeatability (values differ) | — | ±0.05 mm |
| Bimanual Coordination (values differ) | Yes | No |
| Compute & AI | ||
| Onboard Compute (values differ) | Linux kernel with RT-Preempt patch | — |
| Compute Platform (values differ) | Intel Pentium M (1.6 GHz) | — |
| VLM Capable | No | No |
| Foundation Models | false | false |
| Imitation Learning | No | No |
| Programming (values differ) | code_ros | MachineLogic |
| Battery & Power | ||
| Runtime (values differ) | 0.4 hrs | — |
| Battery Swap | No | No |
| Avg Power Consumption (values differ) | — | 350 W |
| Safety | ||
| Human Detection Method (values differ) | vision human | — |
| Software | ||
| SDK Languages (values differ) | Linux | Python |
| ROS Support (values differ) | Yes | No |
| Open API | No | No |
| Reliability | ||
| Deployment Maturity (values differ) | prototype | commercial |
| IP Rating (values differ) | — | IP65 |
| Commercial | ||
| Price (USD) (values differ) | $300,000 | $53,134 |
| Price Tier (values differ) | 150K+ | under_50k |
| Pricing Model (values differ) | purchase | outright purchase |
| Warranty (values differ) | — | 1 yrs |
| Applications (values differ) | research | warehouse_transport, assembly, inspection |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Running Capable, Grip Strength, Tool Use, Teleoperation, Battery Capacity, Charging Time, Charging Method, Force-Limited Arms, Fall Recovery, Fall Detection Response, Emergency Stops, Safe Speed Near Humans, Simulation Platforms, Air-Gap Capable, MTBF, Task Success Rate, 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 HRP-4 and iR18 - 1000?
HRP-4 is made by Kawada Industries, based in JP. iR18 - 1000 is made by Unical Robot, based in TH.
How much does HRP-4 cost compared to iR18 - 1000?
HRP-4 is listed at $300,000. iR18 - 1000 is listed at $53,134.
How do HRP-4 and iR18 - 1000 compare on the Robolist Product Score?
HRP-4 scores 100/100. iR18 - 1000 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 iR18 - 1000?
HRP-4 carries up to 0.5 kg. iR18 - 1000 carries up to 18 kg.
Are HRP-4 and iR18 - 1000 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 iR18 - 1000?
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 iR18 - 1000 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.