Fourier N1 vs Leju Kuavo
Generated from the registry · revision 2026-09-26 · openness out of 100
No height, mass, DOF or payload figure is sourced for both Fourier N1 and Leju Kuavo yet. Openness score: Fourier N1 85, Leju Kuavo 30 (of 100); only Fourier N1 publishes CAD, BOM and POL. Availability for both: buy.
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Side by side
■ rows differ| Field | Fourier (Fourier Intelligence)Fourier N1 | Leju RoboticsLeju Kuavo | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Fourier (Fourier Intelligence) | Leju Robotics | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country | China | China | |
| Year (differs) | 2025 | 2023 | |
| Specifications | |||
| Height | 130cm | —unsourced | |
| Mass | 38kg | —unsourced | |
| Degrees of freedom | 23 | —unsourced | |
| Payload | —unsourced | —unsourced | |
| Top speed (differs) | 3.5m/s | 1.28m/s | +2.22 m/s (+173%) |
| Runtime | 120min | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | —unsourced | —unsourced | |
| Actuators (differs) | Fourier FSA actuators; URDF effort limits 95 N·m x4, 54 N·m x7, 30 N·m x12 | Joints up to 360 N·m | |
| Compute | —unsourced | —unsourced | |
| Sensors | —unsourced | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 85/ 100 | 30/ 100 | +55 |
| CAD (25) (differs) | public | not public | |
| Bill of materials (20) (differs) | public | not public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) | not public | not public | |
| Software (10) | public | public | |
| Trained policies (10) (differs) | public | not public | |
| Verification level (differs) | L2 | L1 | |
| Sources (differs) | 8 | 3 | |
| Last checked (differs) | 2026-09-25 | 2026-09-24 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Fourier N1, Leju Kuavo.
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