Agility Cassie vs Boston Atlas (hydraulic)
Generated from the registry · revision 2026-09-26 · openness out of 100
No height, mass, DOF or payload figure is sourced for both Cassie and Atlas (hydraulic) yet. Openness score: Cassie 20, Atlas (hydraulic) 0 (of 100); only Cassie publishes SIM. Availability for both: research only.
01
Side by side
■ rows differ| Field | Agility RoboticsAgility Cassie | Boston DynamicsBoston Atlas (hydraulic) | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Agility Robotics | Boston Dynamics | |
| Class (differs) | Biped | Humanoid | |
| Status | Discontinued | Discontinued | |
| Availability | Research only | Research only | |
| Country | United States | United States | |
| Year (differs) | 2017 | 2013 | |
| Specifications | |||
| Height | —unsourced | —unsourced | |
| Mass | —unsourced | —unsourced | |
| Degrees of freedom | 10 | —unsourced | |
| Payload | —unsourced | —unsourced | |
| Top speed | —unsourced | —unsourced | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | Not for sale | Not for sale | |
| Actuators | —unsourced | Hydraulic | |
| Compute | —unsourced | —unsourced | |
| Sensors | —unsourced | —unsourced | |
| 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 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Cassie, Atlas (hydraulic).
02