humanoidrobots.systems

EngineAI PM01 vs Rainbow Robotics RB-Y1

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

EngineAI PM01 is 2 cm shorter (138 vs 140 cm) and 91 kg lighter (40 vs 131 kg) than Rainbow Robotics RB-Y1. EngineAI PM01 has 4 more degrees of freedom (24 vs 20) than Rainbow Robotics RB-Y1. Both score 30/100 on openness. Availability for both: buy.

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Side by side

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FieldEngineAI (Zhongqing Robotics)EngineAI PM01Rainbow RoboticsRainbow Robotics RB-Y1Δ first − second
Identity
Maker (differs)EngineAI (Zhongqing Robotics)Rainbow Robotics
Class (differs)HumanoidWheeled humanoid
StatusActiveActive
AvailabilityBuyBuy
Country (differs)ChinaSouth Korea
Year20242024
Specifications
Height (differs)138cm140cm−2 cm (-1%)
Mass (differs)40kg131kg−91 kg (-69%)
Degrees of freedom (differs)2420+4 (+20%)
Payload—unsourced3kg
Top speed (differs)2m/s1.5m/s+0.5 m/s (+33%)
Runtime120min—unsourced
Battery capacity—unsourced1,250Wh
Price12,000USD—unsourced
Actuators (differs)EngineAI electric actuators (up to 300 N·m)Rainbow in-house joint modules
Compute (differs)Intel N97 + NVIDIA Jetson OrinDual-PC (real-time robot PC + user PC with ROS 2)
Sensors (differs)Intel RealSense depth cameraBuilt-in wrist force/torque sensors (v1.2); optional camera
Openness and provenance
Openness bar3030
Openness score30/ 10030/ 100=
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15)not publicnot public
Software (10)publicpublic
Trained policies (10)not publicnot public
Verification level (differs)L1L2
Sources (differs)32
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: EngineAI PM01, Rainbow Robotics RB-Y1.

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