humanoidrobots.systems

Agility Digit vs Rainbow Robotics RB-Y1

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

Digit is 35 cm taller (175 vs 140 cm) and 66 kg lighter (65 vs 131 kg) than Rainbow Robotics RB-Y1. Digit has 8 more degrees of freedom (28 vs 20) and 13 kg more rated payload (16 vs 3 kg) than Rainbow Robotics RB-Y1. Openness score: Digit 0, Rainbow Robotics RB-Y1 30 (of 100); only Rainbow Robotics RB-Y1 publishes SIM and SW. Availability: Digit not for sale, Rainbow Robotics RB-Y1 buy.

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Side by side

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Side-by-side specifications. Rows marked with a square differ.
FieldAgility RoboticsAgility DigitRainbow RoboticsRainbow Robotics RB-Y1Δ first − second
Identity
Maker (differs)Agility RoboticsRainbow Robotics
Class (differs)HumanoidWheeled humanoid
StatusActiveActive
Availability (differs)Not for saleBuy
Country (differs)United StatesSouth Korea
Year (differs)20192024
Specifications
Height (differs)175cm140cm+35 cm (+25%)
Mass (differs)65kg131kg−66 kg (-50%)
Degrees of freedom (differs)2820+8 (+40%)
Payload (differs)16kg3kg+13 kg (+433%)
Top speed (differs)1.4m/s1.5m/s−0.1 m/s (-7%)
Runtime—unsourced—unsourced
Battery capacity—unsourced1,250Wh
PriceNot for sale—unsourced
Actuators—unsourcedRainbow in-house joint modules
Compute—unsourcedDual-PC (real-time robot PC + user PC with ROS 2)
Sensors—unsourcedBuilt-in wrist force/torque sensors (v1.2); optional camera
Openness and provenance
Openness bar030
Openness score (differs)0/ 10030/ 100−30
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20) (differs)not publicpublic
Firmware (15)not publicnot public
Software (10) (differs)not publicpublic
Trained policies (10)not publicnot public
Verification level (differs)L0L2
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: Digit, Rainbow Robotics RB-Y1.

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