humanoidrobots.systems

Boston Atlas (electric) vs ROBOTIS OP3

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

Atlas (electric) is 99 cm taller (150 vs 51 cm) and 85.5 kg heavier (89 vs 3.5 kg) than ROBOTIS OP3. Atlas (electric) has 36 more degrees of freedom (56 vs 20) than ROBOTIS OP3. Openness score: Atlas (electric) 0, ROBOTIS OP3 45 (of 100); only ROBOTIS OP3 publishes SIM, FW and SW. Availability: Atlas (electric) 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.
FieldBoston DynamicsBoston Atlas (electric)ROBOTISROBOTIS OP3Δ first − second
Identity
Maker (differs)Boston DynamicsROBOTIS
ClassHumanoidHumanoid
StatusActiveActive
Availability (differs)Not for saleBuy
Country (differs)United StatesSouth Korea
Year2024—unsourced
Specifications
Height (differs)150cm51cm+99 cm (+194%)
Mass (differs)89kg3.5kg+85.5 kg (+2443%)
Degrees of freedom (differs)5620+36 (+180%)
Payload50kg—unsourced
Top speed—unsourced—unsourced
Runtime240min—unsourced
Battery capacity—unsourced36.6Wh
PriceNot for sale—unsourced
Actuators (differs)Electric; actuators supplied by Hyundai Mobis20x Dynamixel XM430-W350-R
Compute—unsourcedIntel NUC i3, 8GB RAM
Sensors (differs)360-degree cameras; tactile-sensing handsLogitech 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: Atlas (electric), ROBOTIS OP3.

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