humanoidrobots.systems

Engineered Ameca vs Stanford ToddlerBot

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

Ameca is 131 cm taller (187 vs 56 cm) and 58.6 kg heavier (62 vs 3.4 kg) than ToddlerBot. Ameca has 31 more degrees of freedom (61 vs 30) than ToddlerBot. Openness score: Ameca 0, ToddlerBot 100 (of 100); only ToddlerBot publishes CAD, BOM, SIM, FW, SW and POL. Availability: Ameca buy, ToddlerBot diy build.

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Side by side

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Side-by-side specifications. Rows marked with a square differ.
FieldEngineered ArtsEngineered AmecaStanford UniversityStanford ToddlerBotΔ first − second
Identity
Maker (differs)Engineered ArtsStanford University
ClassHumanoidHumanoid
Status (differs)ActiveResearch
Availability (differs)BuyDIY build
Country (differs)United KingdomUnited States
Year (differs)20212025
Specifications
Height (differs)187cm56cm+131 cm (+234%)
Mass (differs)62kg3.4kg+58.6 kg (+1724%)
Degrees of freedom (differs)6130+31 (+103%)
Payload—unsourced1.48kg
Top speed—unsourced—unsourced
Runtime—unsourced—unsourced
Battery capacity—unsourced—unsourced
Price—unsourced—unsourced
Actuators (differs)Electric; 27 DOF head/face, 34 DOF upper bodyservo actuators; 7 DOF/arm, 6 DOF/leg, 2 neck, 2 waist
Compute (differs)Embedded robot PC; Tritium robotOS (Linux/Yocto)NVIDIA Jetson Orin NX 16GB
Sensors2x 8MP eye cameras, binaural mics, 4-ch chest mic, LiDAR safety sensors—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
Sources (differs)23
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: Ameca, ToddlerBot.

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