UC Berkeley Humanoid vs Fourier GR-2
Generated from the registry · revision 2026-09-26 · openness out of 100
Berkeley Humanoid is 90 cm shorter (85 vs 175 cm) and 47 kg lighter (16 vs 63 kg) than Fourier GR-2. Berkeley Humanoid has 41 fewer degrees of freedom (12 vs 53) than Fourier GR-2. Both score 30/100 on openness. Availability: Berkeley Humanoid research only, Fourier GR-2 buy.
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Side by side
■ rows differ| Field | UC Berkeley Hybrid Robotics LabUC Berkeley Humanoid | Fourier (Fourier Intelligence)Fourier GR-2 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | UC Berkeley Hybrid Robotics Lab | Fourier (Fourier Intelligence) | |
| Class (differs) | Biped | Humanoid | |
| Status (differs) | Research | Active | |
| Availability (differs) | Research only | Buy | |
| Country (differs) | United States | China | |
| Year | 2024 | 2024 | |
| Specifications | |||
| Height (differs) | 85cm | 175cm | −90 cm (-51%) |
| Mass (differs) | 16kg | 63kg | −47 kg (-75%) |
| Degrees of freedom (differs) | 12 | 53 | −41 (-77%) |
| Payload | —unsourced | 3kg | |
| Top speed | —unsourced | —unsourced | |
| Runtime | —unsourced | 120min | |
| Battery capacity | —unsourced | —unsourced | |
| Price | Not for sale | —unsourced | |
| Actuators (differs) | custom 5013/8513/8518/10413 motors, 9:1 planetary, EtherCAT | Fourier FSA 2.0 actuators (>380 N·m peak) | |
| Compute | Intel i7-1255U onboard PC | —unsourced | |
| Sensors | IMU, joint encoders | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score | 30/ 100 | 30/ 100 | = |
| 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) | 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 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Berkeley Humanoid, Fourier GR-2.
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