humanoidrobots.systems

Agility Digit vs ROBOTIS OP3

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

Digit is 124 cm taller (175 vs 51 cm) and 61.5 kg heavier (65 vs 3.5 kg) than ROBOTIS OP3. Digit has 8 more degrees of freedom (28 vs 20) than ROBOTIS OP3. Openness score: Digit 0, ROBOTIS OP3 45 (of 100); only ROBOTIS OP3 publishes SIM, FW and SW. Availability: Digit not for sale, ROBOTIS OP3 buy.

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Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldAgility RoboticsAgility DigitROBOTISROBOTIS OP3Δ first − second
Identity
Maker (differs)Agility RoboticsROBOTIS
ClassHumanoidHumanoid
StatusActiveActive
Availability (differs)Not for saleBuy
Country (differs)United StatesSouth Korea
Year2019—unsourced
Specifications
Height (differs)175cm51cm+124 cm (+243%)
Mass (differs)65kg3.5kg+61.5 kg (+1757%)
Degrees of freedom (differs)2820+8 (+40%)
Payload16kg—unsourced
Top speed1.4m/s—unsourced
Runtime—unsourced—unsourced
Battery capacity—unsourced36.6Wh
PriceNot for sale—unsourced
Actuators—unsourced20x Dynamixel XM430-W350-R
Compute—unsourcedIntel NUC i3, 8GB RAM
Sensors—unsourcedLogitech C920 camera, 9-axis IMU
Openness and provenance
Openness bar045
Openness score (differs)0/ 10045/ 100−45
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20) (differs)not publicpublic
Firmware (15) (differs)not publicpublic
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, ROBOTIS OP3.

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