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 | N/A | N/A | N/A | $4,900 USD |
| Height | Male variant: 183 cm; female variant: 168 cm | Not officially disclosed | 24.5 cm | 123cm (standing) |
| Weight | Male variant: 42 kg; female variant: 35.2 kg | Not officially disclosed | 700 g (with battery) | ~29kg (with battery; ~27kg for Air model) |
| Battery Life | 2-4 hours per charge | Designed for 24/7 continuous operation with autonomous battery swappingNot safely comparable as a typed unit | Not publicly specifiedNot safely comparable as a typed unit | ~1 hour (mixed activity) |
| Charging Time | Not officially disclosed | Autonomous battery swap in about 3 minutes | Not publicly specifiedNot safely comparable as a typed unit | Not officially disclosed |
| Max Speed | Not officially disclosed | Not officially disclosed | Not publicly specifiedNot safely comparable as a typed unit | Not officially disclosed |
| Degrees of Freedom | N/A | N/A | N/A | N/A |
| AI | Emotional large-model interaction system with locally encrypted memory; detailed model specifications not officially disclosed | UBTECH BrainNet 2.0 with Co-Agent industrial agent system for task planning, tool use, and anomaly handling | UBTECH interaction stack with voice, face/object recognition, and balance control | 8-core CPU + GPU; optional NVIDIA Jetson Orin (40–100 TOPS, EDU only); UnifoLM multimodal LLM |
| Sensors | Multimodal perception for emotional interaction, Detailed sensor package not officially disclosed | Pure RGB Binocular Stereo Vision System, Stereo Depth Estimation System, Real-Time Battery Monitoring | Distance Sensor, Acceleration Sensor, Gyroscope, Touch Sensor, 13 MP Camera, 4-Microphone Array | Monocular camera (R1 Air); binocular camera (R1/R1 EDU), 4-Mic Array, Dual 6-Axis IMU |
| Connectivity | Wi-Fi | Gigabit Ethernet Port, USB 3.0 | 2G/3G/4G, Wi-Fi (802.11a/b/g/n), Bluetooth 4.2, GPS | Wi-Fi 6, Bluetooth 5.2 |
| Voice Assistants | None | None | None | UnifoLM (voice + image commands) |
| Status | Pre-order | Active | Available | Pre-order |
| Category | Humanoid | Humanoid | Companions | Humanoid |
| Manufacturer | UBTECH | UBTECH | UBTECH | Unitree Robotics |
Capability matrix
Use this grid when the shortlist is already close and feature gaps become the real tiebreaker.
| Capability | UWORLD U1 Series | Walker S2 | Alpha Mini | R1 |
|---|---|---|---|---|
| 24/7 Continuous Operation | — | ✓ | — | — |
| 26 Degrees of Freedom (standard) | — | — | — | ✓ |
| 88 Degrees of Freedom | ✓ | — | — | — |
| App-based Graphical Coding | — | — | ✓ | — |
| Autonomous Battery Swapping | — | ✓ | — | — |
| Bipedal Walking & Running | — | — | — | ✓ |
| Cartwheels & Handstands | — | — | — | ✓ |
| Customizable Shell/Finish | — | — | — | ✓ |
| Deep Squat and Stoop Lifting | — | ✓ | — | — |
| Emotional Companionship | ✓ | — | — | — |
| Face and Object Recognition | — | — | ✓ | — |
| Factory and Logistics Deployment | — | ✓ | — | — |
| First-batch Pre-order Delivery Program | ✓ | — | — | — |
| Full-size Bipedal Humanoid Interaction | ✓ | — | — | — |
| Gesture Recognition | — | — | — | ✓ |
| Industrial Handling and Assembly | — | ✓ | — | — |
| Live Communication over Cellular | — | — | ✓ | — |
| Local Encrypted Memory Storage | ✓ | — | — | — |
| Male and Female Full-size Variants | ✓ | — | — | — |
| Multidimensional Appearance Customization | ✓ | — | — | — |
| OTA Software Updates | — | — | — | ✓ |
| Optional Dexterous Hands (EDU) | — | — | — | ✓ |
| Personalized Conversation and Memory | ✓ | — | — | — |
| Push Recovery | — | — | — | ✓ |
| ROS 2 Support | — | — | — | ✓ |
| Secondary Development (EDU) | — | — | — | ✓ |
| Voice & Image Interaction (UnifoLM) | — | — | — | ✓ |
| Voice Interaction | — | — | ✓ | — |
| Walking and Dynamic Motions | — | — | ✓ | — |
| Whole-Body Manipulation | — | ✓ | — | — |
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 410 robots tracked, 252 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.
