Unitree Robotics R1 vs X-Humanoid (Beijing Humanoid Robot Innovation Center) Tiangong Ultra
Dataset date: 2026-09-21
Height to scale. Width is schematic, derived from weight; not a measured body width.
open outline: claimed → demonstrated · hatched: demonstrated · filled dot: first delivery recorded
Evidence sheet
| Property | Unitree Robotics R1 | X-Humanoid (Beijing Humanoid Robot Innovation Center) Tiangong Ultra | Difference |
|---|---|---|---|
| Height (cm) | 123 cm1 | 180 cm2 | +57 cm |
| Weight (kg) | 25 kg3 | 52 kg2 | +27 kg |
| Degrees of freedom | 263 | no sourced value | no sourced value |
| Walking speed (km/h) | no sourced value | no sourced value | no sourced value |
| Payload (kg) | no sourced value | no sourced value | no sourced value |
| Battery runtime (min) | no sourced value | no sourced value | no sourced value |
| Hands | no sourced value | no sourced value | — |
| Actuator torque (Nm) | no sourced value | no sourced value | no sourced value |
| Battery (Wh) | 199 Wh4 | no sourced value | no sourced value |
| Battery swappable | yes5 | no sourced value | — |
| Locomotion | bipedal6 | no sourced value | — |
| SDK / ROS | open source, ros27 | no sourced value | — |
| Warranty (shortest–longest) | no sourced value | no sourced value | — |
| Order type | direct checkout1 | no sourced value | — |
| Latest price | USD 4,9001 | no sourced value | — |
| Announced | 2025-07-293 | 2025-04-198 | -3 mo |
| First customer delivery | no sourced value | no sourced value | no sourced value |
| Delivery status | claimed | demonstrated | — |
| Results under fixed rules | — | 2 results, best rank #1 | — |
Capabilities
| Capability | Unitree Robotics R1 | X-Humanoid (Beijing Humanoid Robot Innovation Center) Tiangong Ultra |
|---|---|---|
| Run | T | — |
| Fall recovery | T | — |
Notes
- standing 123 cm tall (accessed 2026-09-20) — source
- Standing approximately 1.80 m tall (accessed 2026-09-21) — source
- The 25-kilogram robot combines dynamic movement capabilities with a built-in Large Multimodal AI Model (accessed 2026-09-20) — source
- 6000mAh, 199Wh (accessed 2026-09-21) — source
- Smart Battery (Quick Release) (accessed 2026-09-21) — source
- Unitree R1 humanoid robot is capable of walking, running, cartwheeling, doing kung-fu, falling on its own will, and getting up like nothing ever happened. (accessed 2026-09-21) — source
- Unitree robot sdk version 2. https://support.unitree.com/home/zh/developer (accessed 2026-09-21) — source
- The 'Tiangong Ultra' humanoid robot wins the world's first humanoid robot half marathon in Beijing, China, April 19, 2025. (accessed 2026-09-21) — source
Cite this comparison: https://humanoidrecord.com/compare/unitree-r1-vs-x-humanoid-tiangong-ultra/ (accessed 2026-09-21)
Correct this comparison or email corrections@humanoidrecord.com.