Pollen Reachy 2 vs UBTech Walker S (S1 / S2)
Generated from the registry · revision 2026-09-26 · openness out of 100
Reachy 2 has 12 kg less rated payload (3 vs 15 kg) than UBTech Walker S (S1 / S2). Openness score: Reachy 2 45, UBTech Walker S (S1 / S2) 0 (of 100); only Reachy 2 publishes SIM, FW and SW. Availability for both: buy.
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Side by side
■ rows differ| Field | Pollen Robotics (Hugging Face)Pollen Reachy 2 | UBTech RoboticsUBTech Walker S (S1 / S2) | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Pollen Robotics (Hugging Face) | UBTech Robotics | |
| Class (differs) | Wheeled humanoid | Humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country (differs) | France | China | |
| Year (differs) | 2024 | 2023 | |
| Specifications | |||
| Height | 166cm | —unsourced | |
| Mass | 50kg | —unsourced | |
| Degrees of freedom | 18 | —unsourced | |
| Payload (differs) | 3kg | 15kg | −12 kg (-80%) |
| Top speed | 0.83m/s | —unsourced | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | 840Wh | —unsourced | |
| Price | 70,000USD | —unsourced | |
| Actuators (differs) | Orbita parallel joints (neck, wrists) | Servo joints with force feedback | |
| Compute (differs) | SolidRun BedRock V3000 industrial PC | BrainNet 2.0 + Co-Agent (UBTech software) | |
| Sensors (differs) | 2x IMX296 RGB, Orbbec Gemini 336 RGB-D, ToF, RPLIDAR S2, IMU, microphones | RGB binocular stereo vision (S2) | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 45/ 100 | 0/ 100 | +45 |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not 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 | 3 | 3 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Reachy 2, UBTech Walker S (S1 / S2).
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