Fourier GR-2 vs UBTech Robotics Walker S2

Cite this page

humanoidrecord.com, "Fourier GR-2 vs UBTech Robotics Walker S2", page snapshot 2026-11-03, https://humanoidrecord.com/compare/fourier-gr-2-vs-ubtech-walker-s2/

Embed this comparison

Live and auto-updating. Recommended height: 900px. Links back to humanoidrecord.com.

<iframe src="https://humanoidrecord.com/embed/compare/fourier-gr-2-vs-ubtech-walker-s2/" style="width:100%;height:900px;border:0" loading="lazy" title="Fourier GR-2 vs UBTech Robotics Walker S2 — humanoidrecord.com"></iframe>

Dataset date: 2026-11-03

175 cmhuman

175 cm²Fourier GR-2

176 cm⁴UBTech Robotics Walker S2

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	Fourier GR-2	UBTech Robotics Walker S2	Difference
Height (cm)	175 cm² Not reviewed The cited source has not been reviewed for this specific claim.	176 cm⁴ Not reviewed The cited source has not been reviewed for this specific claim.	+1 cm
Weight (kg)	63 kg⁵ Not reviewed The cited source has not been reviewed for this specific claim.	sources disagree	unknown on one side
Degrees of freedom	53⁶ 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	52⁷ 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	-1 DoF
Walking speed (km/h)	no sourced value	no sourced value	no sourced value
Payload (kg)	3 kg¹ Not reviewed The cited source has not been reviewed for this specific claim.	15 kg³ Not reviewed The cited source has not been reviewed for this specific claim.	+12 kg
Battery runtime (min)	no sourced value	sources disagree	no sourced value
Hands	12 DoF per hand, tactile sensors⁸ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Actuator torque (Nm)	380 Nm⁹ Source unavailable The cited source could not be accessed during review. Reason The per-host request budget was reached during the review, so the source content and claim could not be re-established. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Independent source	no sourced value	unknown on one side
Battery (Wh)	no sourced value	sources disagree	no sourced value
Battery swappable	yes¹⁰ Not reviewed The cited source has not been reviewed for this specific claim.	yes¹¹ Not reviewed The cited source has not been reviewed for this specific claim.	—
Locomotion	no sourced value	sources disagree	no sourced value
SDK / ROS	no sourced value	no sourced value	no sourced value
Simulation	2 simulation artifacts confirmed. Search checked 2026-09-27 Search result Official repository paths and format markers were checked for two GR-2 artifacts; the models were not executed. Repository-level simulator wording did not establish artifact-specific compatibility. Searched source 1 Searched source 2 Official · URDF · GR-2 v3.0.1 Variant GR-2 v3.0.1 Format URDF Provenance Official Revision 7d96c758f048fe1bf92b3258864d94771ae0c093 License GPL-3.0 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 GR-2 v3.0.1 No simulator compatibility claim recorded. Official · MJCF · GR-2 v3_8_7 Variant GR-2 v3_8_7 Format MJCF Provenance Official Revision 7d96c758f048fe1bf92b3258864d94771ae0c093 License GPL-3.0 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 GR-2 v3_8_7 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 Walker S2 EDU model was found; equivalence to the commercial Walker S2 record was not established. 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	no sourced value	quote required¹² Not reviewed The cited source has not been reviewed for this specific claim.	unknown on one side
Latest price	no sourced value	no sourced value	no sourced value
Announced	2024-09-30¹³ Not reviewed The cited source has not been reviewed for this specific claim.	2025-07-23¹⁴ Not reviewed The cited source has not been reviewed for this specific claim.	+10 mo
Recorded first customer delivery	no sourced value	no sourced value	no sourced value
Recorded delivery status	Recorded claimed	Recorded claimed	—

Notes

single-arm load capacity of 3 kg (6.6 lb.) (accessed 2026-09-20) — source
175 cm (68.9 in.) (accessed 2026-09-20) — source
pitch 125° angle and handle 15kg payload within 0-1.8 meters workspace (accessed 2026-09-20) — source
stands at an impressive height of 1.76 meters (accessed 2026-09-20) — source
63 kg (139 lb.) (accessed 2026-09-20) — source
53 degrees of freedom (accessed 2026-09-27) — source
52 degrees of freedom in its bionic body (accessed 2026-09-27) — source
12-DoF dexterous hands—double the dexterity of previous models (accessed 2026-09-20) — source
With peak torques exceeding 380 N.m (280.3 ft.-lb.), the FSA 2.0 actuators boost GR-2's agility and dynamic capabilities. (accessed 2026-09-21) — source
Since the battery is now swappable, users will be able to swap batteries quickly and return GR-2 to work. (accessed 2026-09-21) — source
swap battery autonomously within 3 minutes (accessed 2026-09-21) — source
Please reach out for more request or become a partner! (accessed 2026-09-21) — source
Standing at 175 cm and weighing 63 kg (accessed 2026-09-20) — source
On July 23rd, UBTECH Robotics announced the launch of its latest innovation, the Walker S2 (accessed 2026-09-20) — source

Cite this comparison: https://humanoidrecord.com/compare/fourier-gr-2-vs-ubtech-walker-s2/ (data snapshot 2026-11-03)

Correct this comparison or email corrections@humanoidrecord.com.