Compare humanoids
Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.
01
Pick robots
52 humanoidsDropbear is 40 cm taller (180 vs 140 cm) and 86 kg lighter (45 vs 131 kg) than Rainbow Robotics RB-Y1. Dropbear has 12 more degrees of freedom (32 vs 20) and 2 kg more rated payload (5 vs 3 kg) than Rainbow Robotics RB-Y1. Openness score: Dropbear 100, Rainbow Robotics RB-Y1 30 (of 100); only Dropbear publishes CAD, BOM, FW and POL. Availability: Dropbear preorder, Rainbow Robotics RB-Y1 buy.
| Field | Hyperspawn RoboticsHyperspawn Dropbear | Rainbow RoboticsRainbow Robotics RB-Y1 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Hyperspawn Robotics | Rainbow Robotics | |
| Class (differs) | Humanoid | Wheeled humanoid | |
| Status | Active | Active | |
| Availability (differs) | Preorder | Buy | |
| Country (differs) | India | South Korea | |
| Year (differs) | 2023 | 2024 | |
| Specifications | |||
| Height (differs) | 180cm | 140cm | +40 cm (+29%) |
| Mass (differs) | 45kg | 131kg | −86 kg (-66%) |
| Degrees of freedom (differs) | 32 | 20 | +12 (+60%) |
| Payload (differs) | 5kg | 3kg | +2 kg (+67%) |
| Top speed | —unsourced | 1.5m/s | |
| Runtime | 120min | —unsourced | |
| Battery capacity (differs) | 960Wh | 1,250Wh | −290 Wh (-23%) |
| 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. | Rainbow in-house joint modules | |
| 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. | Dual-PC (real-time robot PC + user PC with ROS 2) | |
| 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) | Built-in wrist force/torque sensors (v1.2); optional camera | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 100/ 100 | 30/ 100 | +70 |
| CAD (25) (differs) | public | not public | |
| Bill of materials (20) (differs) | public | not public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) (differs) | public | not public | |
| Software (10) | public | public | |
| Trained policies (10) (differs) | public | not public | |
| Verification level | L2 | L2 | |
| Sources (differs) | 16 | 2 | |
| Last checked (differs) | 2026-09-25 | 2026-09-24 | |
03
Best-documented pairs
most sourced fields on both sidesHyperspawn DropbearvsPollen Reachy 211fHyperspawn DropbearvsKepler Forerunner K2 "Bumblebee"11fHyperspawn DropbearvsPUDU D911fKepler Forerunner K2 "Bumblebee"vsPollen Reachy 211fPollen Reachy 2vsPUDU D911fKepler Forerunner K2 "Bumblebee"vsPUDU D911fHyperspawn DropbearvsRainbow Robotics RB-Y110fHyperspawn DropbearvsUnitree G110fRainbow Robotics RB-Y1vsUnitree G110fEngineAI PM01vsHyperspawn Dropbear10fEngineAI PM01vsRainbow Robotics RB-Y110fEngineAI PM01vsUnitree G110fHyperspawn DropbearvsK-Scale K-Bot10fHyperspawn DropbearvsUnitree H1-210fK-Scale K-BotvsRainbow Robotics RB-Y110fK-Scale K-BotvsUnitree G110fPollen Reachy 2vsRainbow Robotics RB-Y110fPollen Reachy 2vsUnitree G110fRainbow Robotics RB-Y1vsUnitree H1-210fUnitree G1vsUnitree H1-210fEngineAI PM01vsK-Scale K-Bot10fEngineAI PM01vsPollen Reachy 210fEngineAI PM01vsUnitree H1-210fFigure 02vsHyperspawn Dropbear10f