humanoidrobots.systems

The HopeJR vs UBTech Walker S (S1 / S2)

Generated from the registry · revision 2026-09-26 · openness out of 100

No height, mass, DOF or payload figure is sourced for both HopeJR and UBTech Walker S (S1 / S2) yet. Openness score: HopeJR 90, UBTech Walker S (S1 / S2) 0 (of 100); only HopeJR publishes CAD, BOM, SIM, FW and SW. Availability: HopeJR diy build, UBTech Walker S (S1 / S2) buy.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldThe Robot Studio & Hugging FaceThe HopeJRUBTech RoboticsUBTech Walker S (S1 / S2)Δ first − second
Identity
Maker (differs)The Robot Studio & Hugging FaceUBTech Robotics
ClassHumanoidHumanoid
StatusActiveActive
Availability (differs)DIY buildBuy
Country (differs)FranceChina
Year (differs)20252023
Specifications
Height—unsourced—unsourced
Mass—unsourced—unsourced
Degrees of freedom66—unsourced
Payload—unsourced15kg
Top speed—unsourced—unsourced
Runtime—unsourced—unsourced
Battery capacity—unsourced—unsourced
Price3,000USD—unsourced
Actuators (differs)Robstride 02 (humanoid body update)Servo joints with force feedback
Compute—unsourcedBrainNet 2.0 + Co-Agent (UBTech software)
Sensors—unsourcedRGB binocular stereo vision (S2)
Openness and provenance
Openness bar900
Openness score (differs)90/ 1000/ 100+90
CAD (25) (differs)publicnot public
Bill of materials (20) (differs)publicnot public
Sim model (URDF/MJCF) (20) (differs)publicnot public
Firmware (15) (differs)publicnot public
Software (10) (differs)publicnot public
Trained policies (10)not publicnot public
Verification level (differs)L1L0
Sources (differs)43
Last checked (differs)2026-09-252026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: HopeJR, UBTech Walker S (S1 / S2).

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