Hyperspawn Dropbear vs UBTech Walker S (S1 / S2)
Generated from the registry · revision 2026-09-26 · openness out of 100
Dropbear has 10 kg less rated payload (5 vs 15 kg) than UBTech Walker S (S1 / S2). Openness score: Dropbear 100, UBTech Walker S (S1 / S2) 0 (of 100); only Dropbear publishes CAD, BOM, SIM, FW, SW and POL. Availability: Dropbear preorder, UBTech Walker S (S1 / S2) buy.
01
Side by side
■ rows differ| Field | Hyperspawn RoboticsHyperspawn Dropbear | UBTech RoboticsUBTech Walker S (S1 / S2) | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Hyperspawn Robotics | UBTech Robotics | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability (differs) | Preorder | Buy | |
| Country (differs) | India | China | |
| Year | 2023 | 2023 | |
| Specifications | |||
| Height | 180cm | —unsourced | |
| Mass | 45kg | —unsourced | |
| Degrees of freedom | 32 | —unsourced | |
| Payload (differs) | 5kg | 15kg | −10 kg (-67%) |
| Top speed | —unsourced | —unsourced | |
| Runtime | 120min | —unsourced | |
| Battery capacity | 960Wh | —unsourced | |
| Price | 9,999USD | —unsourced | |
| Actuators (differs) | MyActuator RMD-X10, RMD-X8, RMD-X6 and CEM-60 over 1 Mbit/s CAN (18 per the 2026 BOM; myactuator-can lists 12 RMD-X8 Pro, 4 RMD-X10 V3, 6 CEM-60); 6 NEMA 17 lead-screw steppers in the Stewart-platform neck. hyperspawn.ai: servo + QDD. | Servo joints with force feedback | |
| Compute (differs) | NVIDIA Jetson AGX Orin 64GB (BOM; Orin NX 16GB alternative) plus one ESP32-DevKitC-V4 CAN node per limb. Kit: Raspberry Pi 5 base, Jetson Orin advanced. | BrainNet 2.0 + Co-Agent (UBTech software) | |
| Sensors (differs) | Intel RealSense D455f depth camera, IMU (center-IMU controller role), foot load cells (4x HX711 per foot, dropbear-feet), actuator encoders; five AS5600 magnetic angle sensors per leg controller (observation-safe firmware) | RGB binocular stereo vision (S2) | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 100/ 100 | 0/ 100 | +100 |
| 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) (differs) | public | not public | |
| Verification level (differs) | L2 | L0 | |
| Sources (differs) | 16 | 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: Dropbear, UBTech Walker S (S1 / S2).
02
Related comparisons
DropbearvsUnitree H1DropbearvsPollen Reachy 2DropbearvsFourier GR-1DropbearvsPAL KangarooDropbearvsKepler Forerunner K2 "Bumblebee"UBTech Walker S (S1 / S2)vsKepler Forerunner K2 "Bumblebee"UBTech Walker S (S1 / S2)vsPUDU D9UBTech Walker S (S1 / S2)vsUnitree G1UBTech Walker S (S1 / S2)vsEngineAI PM01