Compare humanoids
Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.
01
Pick robots
52 humanoidsAmeca 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.
| Field | Engineered ArtsEngineered Ameca | Stanford UniversityStanford ToddlerBot | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Engineered Arts | Stanford University | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Active | Research | |
| Availability (differs) | Buy | DIY build | |
| Country (differs) | United Kingdom | United States | |
| Year (differs) | 2021 | 2025 | |
| Specifications | |||
| Height (differs) | 187cm | 56cm | +131 cm (+234%) |
| Mass (differs) | 62kg | 3.4kg | +58.6 kg (+1724%) |
| Degrees of freedom (differs) | 61 | 30 | +31 (+103%) |
| Payload | —unsourced | 1.48kg | |
| Top speed | —unsourced | —unsourced | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | —unsourced | —unsourced | |
| Actuators (differs) | Electric; 27 DOF head/face, 34 DOF upper body | servo 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 | |
| Sensors | 2x 8MP eye cameras, binaural mics, 4-ch chest mic, LiDAR safety sensors | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 0/ 100 | 100/ 100 | −100 |
| CAD (25) (differs) | not public | public | |
| Bill of materials (20) (differs) | not public | public | |
| Sim model (URDF/MJCF) (20) (differs) | not public | public | |
| Firmware (15) (differs) | not public | public | |
| Software (10) (differs) | not public | public | |
| Trained policies (10) (differs) | not public | public | |
| Verification level (differs) | L0 | L2 | |
| Sources (differs) | 2 | 3 | |
| Last checked (differs) | 2026-09-24 | 2026-09-25 | |
03
Best-documented pairs
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