Poppy Humanoid 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 Poppy Humanoid and UBTech Walker S (S1 / S2) yet. Openness score: Poppy Humanoid 90, UBTech Walker S (S1 / S2) 0 (of 100); only Poppy Humanoid publishes CAD, BOM, SIM, FW and SW. Availability: Poppy Humanoid kit, UBTech Walker S (S1 / S2) buy.
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Side by side
■ rows differ| Field | Poppy Project (Inria Flowers)Poppy Humanoid | UBTech RoboticsUBTech Walker S (S1 / S2) | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Poppy Project (Inria Flowers) | UBTech Robotics | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Orphaned | Active | |
| Availability (differs) | Kit | Buy | |
| Country (differs) | France | China | |
| Year | —unsourced | 2023 | |
| Specifications | |||
| Height | 84cm | —unsourced | |
| Mass | 3.5kg | —unsourced | |
| Degrees of freedom | 25 | —unsourced | |
| Payload | —unsourced | 15kg | |
| Top speed | —unsourced | —unsourced | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | —unsourced | —unsourced | |
| Actuators (differs) | Dynamixel: 19 MX-28AT, 4 MX-64AT, 2 AX-12A | Servo joints with force feedback | |
| Compute (differs) | Raspberry Pi (current kit version) | BrainNet 2.0 + Co-Agent (UBTech software) | |
| Sensors | —unsourced | RGB binocular stereo vision (S2) | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 90/ 100 | 0/ 100 | +90 |
| CAD (25) (differs) | public | not public | |
| Bill of materials (20) (differs) | public | not public | |
| Sim model (URDF/MJCF) (20) (differs) | public | not public | |
| Firmware (15) (differs) | public | not public | |
| Software (10) (differs) | public | not public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L1 | L0 | |
| Sources (differs) | 6 | 3 | |
| Last checked (differs) | 2026-09-25 | 2026-09-24 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Poppy Humanoid, UBTech Walker S (S1 / S2).
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