UC Berkeley Humanoid Lite vs Fourier N1
Generated from the registry · revision 2026-09-26 · openness out of 100
Berkeley Humanoid Lite is 50 cm shorter (80 vs 130 cm) and 22 kg lighter (16 vs 38 kg) than Fourier N1. Berkeley Humanoid Lite has 1 fewer degrees of freedom (22 vs 23) than Fourier N1. Openness score: Berkeley Humanoid Lite 100, Fourier N1 85 (of 100); only Berkeley Humanoid Lite publishes FW. Availability: Berkeley Humanoid Lite diy build, Fourier N1 buy.
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Side by side
■ rows differ| Field | UC Berkeley Hybrid Robotics LabUC Berkeley Humanoid Lite | Fourier (Fourier Intelligence)Fourier N1 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | UC Berkeley Hybrid Robotics Lab | Fourier (Fourier Intelligence) | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Research | Active | |
| Availability (differs) | DIY build | Buy | |
| Country (differs) | United States | China | |
| Year | 2025 | 2025 | |
| Specifications | |||
| Height (differs) | 80cm | 130cm | −50 cm (-38%) |
| Mass (differs) | 16kg | 38kg | −22 kg (-58%) |
| Degrees of freedom (differs) | 22 | 23 | −1 (-4%) |
| Payload | —unsourced | —unsourced | |
| Top speed | —unsourced | 3.5m/s | |
| Runtime | —unsourced | 120min | |
| Battery capacity | —unsourced | —unsourced | |
| Price | —unsourced | —unsourced | |
| Actuators (differs) | BLDC motors with 3D-printed cycloidal gearboxes | Fourier FSA actuators; URDF effort limits 95 N·m x4, 54 N·m x7, 30 N·m x12 | |
| Compute | —unsourced | —unsourced | |
| Sensors | —unsourced | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 100/ 100 | 85/ 100 | +15 |
| CAD (25) | public | public | |
| Bill of materials (20) | public | public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) (differs) | public | not public | |
| Software (10) | public | public | |
| Trained policies (10) | public | public | |
| Verification level | L2 | L2 | |
| Sources (differs) | 3 | 8 | |
| Last checked (differs) | 2026-09-24 | 2026-09-25 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Berkeley Humanoid Lite, Fourier N1.
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