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.
Price
Weight
Battery Life
Max Speed
AI
Sensors
Connectivity
Status
Category
Capabilities
| Spec | ||
|---|---|---|
| Price | $125 USD | ¥577,500 JPY |
| Height | 61.5 mm (product size 54.0 x 70.5 x 61.5 mm) | 43cm |
| Weight | 187.0 g | 4.6kg (LOVOT 3.0; 2.0 was 4.3kg) |
| Battery Life | Not officially disclosed; built-in 550 mAh batteryNot safely comparable as a typed unit | 30-45 minutes active, then returns to nest |
| Charging Time | Not officially disclosed | 15-30 minutes (on charging nest) |
| Max Speed | Not officially disclosed; 360° horizontal servo and 90° vertical servoNot safely comparable as a typed unit | 1-2 km/h |
| Degrees of Freedom | N/A | N/A |
| AI | Factory firmware includes an AI Agent for voice-based interaction, expressive animations, OTA updates, app-linked remote video/avatar control, and open development through Arduino, UiFlow2, PlatformIO, and ESP-IDF on the ESP32-S3 CoreS3 controller. | GPU (1,024 cores) + 32 Tensor cores + 8 CPU cores, 512GB storage (LOVOT 3.0) |
| Sensors | 0.3 MP / 640 x 480 camera, Dual microphones, Proximity and ambient-light sensor, 9-axis IMU with accelerometer, gyroscope, and magnetometer, Three-zone touch panel, Full-featured NFC module, Infrared transmitter and receiver | Horn Top Camera (half-sphere), Horn Front Camera, Depth Camera, Luminosity Sensor, Hygrometer-Thermometer, Posture Sensor, Distance Sensor, Obstacle Sensor, Touch Sensors (full body), Microphone Array (x4) |
| Connectivity | 2.4 GHz Wi-Fi 802.11 b/g/n, Bluetooth 5 LE, USB-C / USB OTG, ESP-NOW wireless remote control, Grove expansion interfaces, GPIO, UART, and I2C | Wi-Fi, Bluetooth, NFC, Infrared Communication |
| Voice Assistants | M5Stack AI Agent | None |
| Status | Available | Available |
| Category | Companions | Companions |
| Manufacturer | M5Stack | GROOVE X |
Capability matrix
Use this grid when the shortlist is already close and feature gaps become the real tiebreaker.
| Capability | StackChan | LOVOT |
|---|---|---|
| 13 Degrees of Freedom | — | ✓ |
| 2-axis pan-and-tilt head movement | ✓ | — |
| AI voice interaction | ✓ | — |
| Arduino, UiFlow2, PlatformIO, and ESP-IDF programmability | ✓ | — |
| Auto-Charging (returns to nest) | — | ✓ |
| Autonomous Navigation | — | ✓ |
| Customizable Clothing/Appearance | — | ✓ |
| Desktop companion mode | ✓ | — |
| ESP-NOW remote control | ✓ | — |
| Emotional Companionship | — | ✓ |
| Expressive animated face and coordinated motion | ✓ | — |
| M5Stack Grove ecosystem expansion | ✓ | — |
| Mobile-app video viewing and remote avatar control | ✓ | — |
| NFC and three-zone touch interactions | ✓ | — |
| OLED Eyes (organic EL displays, natural blinking) | — | ✓ |
| Open-source firmware and hardware-oriented development | ✓ | — |
| Person Recognition | — | ✓ |
| Personality Development Over Time | — | ✓ |
| Room Mapping (360° camera) | — | ✓ |
| Smart-home and IoT control experiments | ✓ | — |
| Thermal Person Detection | — | ✓ |
| Touch Response (full body sensors) | — | ✓ |
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. And when blank-page friction is the problem, use one of the prebuilt quick-start pairings in the workbench above — open one, swap robots, and keep moving.
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 407 robots tracked, 251 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.
