humanoidrobots.systems

Boston Atlas (electric) vs Stanford ToddlerBot

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

Atlas (electric) is 94 cm taller (150 vs 56 cm) and 85.6 kg heavier (89 vs 3.4 kg) than ToddlerBot. Atlas (electric) has 26 more degrees of freedom (56 vs 30) and 48.52 kg more rated payload (50 vs 1.48 kg) than ToddlerBot. Openness score: Atlas (electric) 0, ToddlerBot 100 (of 100); only ToddlerBot publishes CAD, BOM, SIM, FW, SW and POL. Availability: Atlas (electric) not for sale, ToddlerBot diy build.

01

Side by side

■ rows differ
Side-by-side specifications. Rows marked with a square differ.
FieldBoston DynamicsBoston Atlas (electric)Stanford UniversityStanford ToddlerBotΔ first − second
Identity
Maker (differs)Boston DynamicsStanford University
ClassHumanoidHumanoid
Status (differs)ActiveResearch
Availability (differs)Not for saleDIY build
CountryUnited StatesUnited States
Year (differs)20242025
Specifications
Height (differs)150cm56cm+94 cm (+168%)
Mass (differs)89kg3.4kg+85.6 kg (+2518%)
Degrees of freedom (differs)5630+26 (+87%)
Payload (differs)50kg1.48kg+48.52 kg (+3278%)
Top speed—unsourced—unsourced
Runtime240min—unsourced
Battery capacity—unsourced—unsourced
PriceNot for sale—unsourced
Actuators (differs)Electric; actuators supplied by Hyundai Mobisservo actuators; 7 DOF/arm, 6 DOF/leg, 2 neck, 2 waist
Compute—unsourcedNVIDIA Jetson Orin NX 16GB
Sensors360-degree cameras; tactile-sensing hands—unsourced
Openness and provenance
Openness bar0100
Openness score (differs)0/ 100100/ 100−100
CAD (25) (differs)not publicpublic
Bill of materials (20) (differs)not publicpublic
Sim model (URDF/MJCF) (20) (differs)not publicpublic
Firmware (15) (differs)not publicpublic
Software (10) (differs)not publicpublic
Trained policies (10) (differs)not publicpublic
Verification level (differs)L0L2
Sources33
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: Atlas (electric), ToddlerBot.

02

Related comparisons

Add a third or fourth robot to this comparison