Comparison controls
Swap robots without losing the table. Green cells mark numeric leaders; text rows show the tradeoffs that need judgment.
Green cells flag numeric leaders, while AI, sensors, and capability rows keep the real buying tradeoffs visible.
Capabilities
Capabilities
| Spec | ||
|---|---|---|
| Price | N/A | N/A |
| Height | 158cm | 58cm |
| Weight | 43kg (including battery) | Approximately 7 kg (with battery and memory) |
| Battery Life | ~20 minutes | ~1 hour |
| Charging Time | Not disclosed | Not disclosed |
| Max Speed | Not disclosed | 23 cm/s (running)Not safely comparable as a typed unit |
| AI | OpenRTP platform (OpenRTM-aist, OpenHRP3), Linux-based control system | Sony proprietary; face/voice recognition, emotional behavior system |
| Sensors | Stereo Cameras (eyes), Speech Recognition Microphones, Ambient Sound Recognition, Gyroscope / IMU | Infrared distance sensors (head ×1, hands ×2), Acceleration sensors (trunk X/Y/Z, feet X/Y), Angular-rate sensor (trunk X/Y/Z), Foot sensors (4 × 2), Thermo sensors (hands, feet, head, body, actuators), Touch sensors (head, hands, shoulders), Pinch detection sensors, Grip switch, 2× 110,000-pixel CCD color cameras, 7× microphones |
| Connectivity | Ethernet, Wi-Fi | Wi-Fi |
| Voice Assistants | Vocaloid Vocal Synthesizer (CV-4Cβ voicebank), Speech Recognition | None |
| Status | Discontinued | Discontinued |
| Category | Research | Research |
| Manufacturer | AIST | Sony |
Capability matrix
Use this grid when the shortlist is already close and feature gaps become the real tiebreaker.
| Capability | HRP-4C | QRIO |
|---|---|---|
| 42 Degrees of Freedom (30 body + 8 face + 4 eye) | ✓ | — |
| Ambient Sound Recognition | ✓ | — |
| Autonomous Navigation | — | ✓ |
| Bipedal Walking | ✓ | ✓ |
| Dance Movements | ✓ | — |
| Dancing | — | ✓ |
| Emotional Expression | — | ✓ |
| Face Recognition | — | ✓ |
| Facial Expressions | ✓ | — |
| Human Interaction | — | ✓ |
| Human-like Appearance | ✓ | — |
| Object Grasping | — | ✓ |
| Running (first bipedal robot to run) | — | ✓ |
| Singing (Vocaloid) | ✓ | — |
| Speech Recognition | ✓ | — |
| Voice Recognition | — | ✓ |
Use this flow to get to a clean shortlist fast. The route works best as a dense research workbench, not a marketing page.
Start with robots that solve the same job. Use category anchors like Humanoid, Cleaning, Companions, Research before you worry about micro-spec wins.
Check price, status, battery, sensors, and capabilities before getting lost in minor spec rows.
Once you have a shortlist, hide shared rows. That turns the table from a spec dump into a real decision tool.
A dedicated cleaner versus a home assistant with cleaning features can reveal whether you really need a specialist or just broader household coverage. Compare around the same outcome, not the same marketing language.
Use a prebuilt pairing when blank-page friction is the problem. Open one, swap robots, and keep moving.
Price bracket check — N1 versus Bespoke AI Jet Bot Steam Ultra shows what the premium tier actually buys in navigation, maintenance, and smart-home polish.
Same-brand shortlist — MiPA versus 4NE-1 isolates whether the higher tier actually changes the ownership story.
Mobility platforms — Go2 versus D1 Pro is a fast way to compare payload, stability, and commercial ambition inside the quadruped category.
Home presence check — StackChan versus LOVOT reveals how much extra presence, hardware, and ecosystem you buy as companion robots move upmarket.
Turn comparison rows into an actual recommendation — not just more reading.
Not all spec deltas matter equally. Rank your buying criteria before crowning a winner.
The sticker price is only one row. Subscriptions, consumables, and service access often decide the real winner.
Subscriptions
Cloud AI and premium app tiers can make a cheaper robot more expensive over three years.
Consumables
Brushes, pads, filters, and bags flip the value story on high-frequency robots.
Energy & battery
Large batteries and frequent charging reveal everyday operating demands.
Repair & warranty
Local servicing and spare-parts access are the quietest but most important long-term costs.
Specs describe ideal conditions. Your rooms, pets, and Wi-Fi determine what actually performs.
Of 331 robots tracked, 210 are available now. For household tasks, getting a capable robot into daily use today usually beats waiting for incremental improvements. For research or early-adopter use, waiting can make sense if the next model changes the platform story.
If two robots are still neck-and-neck, use softer signals that affect ownership quality more than spec sheets admit.
Comparison FAQ
Short answers to the questions that usually show up once the shortlist is live and the tradeoffs feel real.
