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 humanoidsCassie has 51 fewer degrees of freedom (10 vs 61) than Ameca. Openness score: Cassie 20, Ameca 0 (of 100); only Cassie publishes SIM. Availability: Cassie research only, Ameca buy.
| Field | Agility RoboticsAgility Cassie | Engineered ArtsEngineered Ameca | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Agility Robotics | Engineered Arts | |
| Class (differs) | Biped | Humanoid | |
| Status (differs) | Discontinued | Active | |
| Availability (differs) | Research only | Buy | |
| Country (differs) | United States | United Kingdom | |
| Year (differs) | 2017 | 2021 | |
| Specifications | |||
| Height | —unsourced | 187cm | |
| Mass | —unsourced | 62kg | |
| Degrees of freedom (differs) | 10 | 61 | −51 (-84%) |
| Payload | —unsourced | —unsourced | |
| Top speed | —unsourced | —unsourced | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | Not for sale | —unsourced | |
| Actuators | —unsourced | Electric; 27 DOF head/face, 34 DOF upper body | |
| Compute | —unsourced | Embedded robot PC; Tritium robotOS (Linux/Yocto) | |
| Sensors | —unsourced | 2x 8MP eye cameras, binaural mics, 4-ch chest mic, LiDAR safety sensors | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 20/ 100 | 0/ 100 | +20 |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) (differs) | public | not public | |
| Firmware (15) | not public | not public | |
| Software (10) | not public | not public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L2 | L0 | |
| Sources (differs) | 3 | 2 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
03
Best-documented pairs
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