humanoidrobots.systems

Apptronik Apollo vs Stanford ToddlerBot

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

Apollo is 117 cm taller (173 vs 56 cm) and 69.6 kg heavier (73 vs 3.4 kg) than ToddlerBot. Apollo has 23.52 kg more rated payload (25 vs 1.48 kg) than ToddlerBot. Openness score: Apollo 20, ToddlerBot 100 (of 100); only ToddlerBot publishes CAD, BOM, FW, SW and POL. Availability: Apollo not for sale, ToddlerBot diy build.

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Side by side

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Side-by-side specifications. Rows marked with a square differ.
FieldApptronikApptronik ApolloStanford UniversityStanford ToddlerBotΔ first − second
Identity
Maker (differs)ApptronikStanford University
ClassHumanoidHumanoid
Status (differs)ActiveResearch
Availability (differs)Not for saleDIY build
CountryUnited StatesUnited States
Year (differs)20232025
Specifications
Height (differs)173cm56cm+117 cm (+209%)
Mass (differs)73kg3.4kg+69.6 kg (+2047%)
Degrees of freedom—unsourced30
Payload (differs)25kg1.48kg+23.52 kg (+1589%)
Top speed—unsourced—unsourced
Runtime240min—unsourced
Battery capacity—unsourced—unsourced
PriceNot for sale—unsourced
Actuators (differs)Electricservo actuators; 7 DOF/arm, 6 DOF/leg, 2 neck, 2 waist
Compute—unsourcedNVIDIA Jetson Orin NX 16GB
Sensors—unsourced—unsourced
Openness and provenance
Openness bar20100
Openness score (differs)20/ 100100/ 100−80
CAD (25) (differs)not publicpublic
Bill of materials (20) (differs)not publicpublic
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15) (differs)not publicpublic
Software (10) (differs)not publicpublic
Trained policies (10) (differs)not publicpublic
Verification levelL2L2
Sources (differs)43
Last checked (differs)2026-09-242026-09-25

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

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