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 humanoidsNo height, mass, DOF or payload figure is sourced for both Cassie and Fourier GR-1 yet. Openness score: Cassie 20, Fourier GR-1 30 (of 100); only Fourier GR-1 publishes SW. Availability: Cassie research only, Fourier GR-1 buy.
| Field | Agility RoboticsAgility Cassie | Fourier (Fourier Intelligence)Fourier GR-1 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Agility Robotics | Fourier (Fourier Intelligence) | |
| Class (differs) | Biped | Humanoid | |
| Status (differs) | Discontinued | Active | |
| Availability (differs) | Research only | Buy | |
| Country (differs) | United States | China | |
| Year (differs) | 2017 | 2023 | |
| Specifications | |||
| Height | —unsourced | 165cm | |
| 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 | —unsourced | |
| Actuators | —unsourced | Fourier FSA smart actuators | |
| Compute | —unsourced | —unsourced | |
| Sensors | —unsourced | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 20/ 100 | 30/ 100 | −10 |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) | not public | not public | |
| Software (10) (differs) | not public | public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L2 | L1 | |
| Sources (differs) | 3 | 2 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
03
Best-documented pairs
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