humanoidrobots.systems

Apptronik Apollo vs ROBOTIS OP3

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

Apollo is 122 cm taller (173 vs 51 cm) and 69.5 kg heavier (73 vs 3.5 kg) than ROBOTIS OP3. Openness score: Apollo 20, ROBOTIS OP3 45 (of 100); only ROBOTIS OP3 publishes FW and SW. Availability: Apollo not for sale, ROBOTIS OP3 buy.

01

Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldApptronikApptronik ApolloROBOTISROBOTIS OP3Δ first − second
Identity
Maker (differs)ApptronikROBOTIS
ClassHumanoidHumanoid
StatusActiveActive
Availability (differs)Not for saleBuy
Country (differs)United StatesSouth Korea
Year2023—unsourced
Specifications
Height (differs)173cm51cm+122 cm (+239%)
Mass (differs)73kg3.5kg+69.5 kg (+1986%)
Degrees of freedom—unsourced20
Payload25kg—unsourced
Top speed—unsourced—unsourced
Runtime240min—unsourced
Battery capacity—unsourced36.6Wh
PriceNot for sale—unsourced
Actuators (differs)Electric20x Dynamixel XM430-W350-R
Compute—unsourcedIntel NUC i3, 8GB RAM
Sensors—unsourcedLogitech C920 camera, 9-axis IMU
Openness and provenance
Openness bar2045
Openness score (differs)20/ 10045/ 100−25
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15) (differs)not publicpublic
Software (10) (differs)not publicpublic
Trained policies (10)not publicnot public
Verification levelL2L2
Sources (differs)42
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Apollo, ROBOTIS OP3.

02

Related comparisons

Add a third or fourth robot to this comparison