Side-by-side comparison of HRP-4 (Kawada Industries) and Raven II (University of Washington and UC Santa Cruz) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
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Manufacturer Country


Year First Available


Verified Deployments


Price Range (USD)


Availability Status


Cross-Category Comparison
Showing shared foundation fields. Select robots from the same category for full spec comparison.
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|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Japan | — |
| Year First Available (values differ) | 2010 | 2012 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $300,000 | $250,000 |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
Cross-Category Comparison Showing shared foundation fields. Select robots from the same category for full spec comparison. | ||
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Battery / Shift Runtime, Reach, Max Speed, IP Rating
Frequently asked
HRP-4 is made by Kawada Industries, based in JP. Raven II is made by University of Washington and UC Santa Cruz.
HRP-4 launched in 2010. Raven II launched in 2012.
HRP-4 is listed at $300,000. Raven II is listed at $250,000.
HRP-4 scores 33/100. Raven II scores 46/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
HRP-4 is categorized as Humanoid; Raven II as Surgical Medical. The Product Score is calculated per category, so the absolute scores reflect their respective category tiers.
Hardware cost is one input. Humanoid And Surgical Medical 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
Surgical Robot TCO: Capital, Consumables, Training, and Per-Procedure Cost
8 min readSurgical & Medical Robots
Surgical Robot Vendor Selection: Support Coverage, Software Upgrades, and Lifecycle
9 min readSurgical & Medical Robots
HRP-4 vs Raven II compares two robots in the humanoid and surgical-medical categories. 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.