Unitree Robotics R1 vs X-Humanoid (Beijing Humanoid Robot Innovation Center) Tiangong Ultra

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Dataset date: 2026-11-03

175 cmhuman

123 cm¹Unitree Robotics R1

180 cm²X-Humanoid (Beijing Humanoid Robot Innovation Center) Tiangong Ultra

Height to scale. Width is schematic, derived from weight; not a measured body width.

claimed → demonstrated
demonstrated
first delivery recorded

Evidence sheet

Only differences Showing all 20 rows

Evidence sheet, scrolls horizontally below 900px
Property	Unitree Robotics R1	X-Humanoid (Beijing Humanoid Robot Innovation Center) Tiangong Ultra	Difference
Height (cm)	123 cm¹ Not reviewed The cited source has not been reviewed for this specific claim.	180 cm² Not reviewed The cited source has not been reviewed for this specific claim.	+57 cm
Weight (kg)	25 kg³ Not reviewed The cited source has not been reviewed for this specific claim.	52 kg⁴ Not reviewed The cited source has not been reviewed for this specific claim.	+27 kg
Degrees of freedom	26⁵ Needs review The reviewed source does not provide enough evidence for this specific claim. Reason The reviewed source did not establish both the exact recorded value and the concrete robot variant for this specification. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Independent source	no sourced value	unknown on one side
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	no sourced value
Actuator torque (Nm)	no sourced value	no sourced value	no sourced value
Battery (Wh)	199 Wh⁶ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Battery swappable	yes⁷ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Locomotion	bipedal⁸ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
SDK / ROS	open source, ros2⁹ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Simulation	1 simulation artifact confirmed. Search checked 2026-09-27 Search result The official R1 repository path and MJCF format marker were checked; the model was not executed. The reviewed README did not list R1 in its simulator configurations, so compatibility remains unconfirmed. Searched source 1 Official · MJCF · R1 Variant R1 Format MJCF Provenance Official Revision 1eb6642e3f3fdfb7fb13a9794fd6a2dd93ea0e7d License BSD-3-Clause Open simulation artifact Artifact evidence Evidence review: supported The cited source was reviewed and supports this specific claim. This does not establish independent truth. Reason Official repository path and format marker checked; model not executed. Checked 2026-09-27 Review method Text review Media type Repository Publisher relation Official source (published by the subject or manufacturer) Robot variant R1 No simulator compatibility claim recorded.	No simulation artifact confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean simulation support is unavailable. Search checked 2026-09-27 Search result Targeted searches found no confirmed model for this record; does not mean unavailable. Only a TienKung Lite model was found; it does not match the Tiangong Ultra record. Searched source 1	—
Actuator architecture	No actuator architecture confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean a particular architecture is absent. Search checked 2026-09-27 Search result Targeted actuator searches did not confirm an exact-variant architecture claim for this record; this does not mean none exists. Searched source 1	No actuator architecture confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean a particular architecture is absent. Search checked 2026-09-27 Search result Targeted actuator searches did not confirm an exact-variant architecture claim for this record; this does not mean none exists. Searched source 1	—
Warranty (shortest–longest)	no sourced value	no sourced value	no sourced value
Order type	direct checkout¹⁰ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Latest price	4,900base · USD · 2026-09-20¹¹ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Announced	2025-07-29¹² Not reviewed The cited source has not been reviewed for this specific claim.	2025-04-19¹³ Not reviewed The cited source has not been reviewed for this specific claim.	-3 mo
Recorded first customer delivery	no sourced value	no sourced value	no sourced value
Recorded delivery status	Recorded claimed	Recorded demonstrated	—
Results under fixed rules	—	2 results, best rank #1	—

Capabilities

Capabilities table
Capability	Unitree Robotics R1	X-Humanoid (Beijing Humanoid Robot Innovation Center) Tiangong Ultra
Run	T¹⁴ Needs review The reviewed source does not provide enough evidence for this specific claim. Reason The text source was reviewed, but no video segment was watched; the existing capability status and autonomy classification for the exact recorded robot variant were not fully verified. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Independent source	—
Fall recovery	T¹⁵ Needs review The reviewed source does not provide enough evidence for this specific claim. Reason The text source was reviewed, but no video segment was watched; the existing capability status and autonomy classification for the exact recorded robot variant were not fully verified. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Independent source	—

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
weighing around 52–55 kg (accessed 2026-09-21) — source
features 26 degrees of freedom across its legs, waist, arms, and head (accessed 2026-09-27) — 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
Add to Cart (accessed 2026-09-21) — source
$4,900.00 USD (accessed 2026-09-20) — source
Unitree designs R1 humanoid robot to be agile and affordable (accessed 2026-09-20) — 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
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 2026-09-27) — source
falling on its own will, and getting up like nothing ever happened (accessed 2026-09-27) — source

Cite this comparison: https://humanoidrecord.com/compare/unitree-r1-vs-x-humanoid-tiangong-ultra/ (data snapshot 2026-11-03)

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