Fourier N1 vs PUDU D9
Generated from the registry · revision 2026-09-26 · openness out of 100
Fourier N1 is 40 cm shorter (130 vs 170 cm) and 27 kg lighter (38 vs 65 kg) than PUDU D9. Fourier N1 has 19 fewer degrees of freedom (23 vs 42) than PUDU D9. Openness score: Fourier N1 85, PUDU D9 0 (of 100); only Fourier N1 publishes CAD, BOM, SIM, SW and POL. Availability: Fourier N1 buy, PUDU D9 not for sale.
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Side by side
■ rows differ| Field | Fourier (Fourier Intelligence)Fourier N1 | Pudu RoboticsPUDU D9 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Fourier (Fourier Intelligence) | Pudu Robotics | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability (differs) | Buy | Not for sale | |
| Country | China | China | |
| Year (differs) | 2025 | 2024 | |
| Specifications | |||
| Height (differs) | 130cm | 170cm | −40 cm (-24%) |
| Mass (differs) | 38kg | 65kg | −27 kg (-42%) |
| Degrees of freedom (differs) | 23 | 42 | −19 (-45%) |
| Payload | —unsourced | 20kg | |
| Top speed (differs) | 3.5m/s | 2m/s | +1.5 m/s (+75%) |
| Runtime | 120min | —unsourced | |
| Battery capacity | —unsourced | 720Wh | |
| Price | —unsourced | Not for sale | |
| Actuators (differs) | Fourier FSA actuators; URDF effort limits 95 N·m x4, 54 N·m x7, 30 N·m x12 | Pudu joint modules (352 N·m max torque) | |
| Compute | —unsourced | 275 TOPS onboard | |
| Sensors | —unsourced | RGB, RGB-D cameras, tactile sensors, IMU | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 85/ 100 | 0/ 100 | +85 |
| CAD (25) (differs) | public | not public | |
| Bill of materials (20) (differs) | public | not public | |
| Sim model (URDF/MJCF) (20) (differs) | public | not public | |
| Firmware (15) | not public | not public | |
| Software (10) (differs) | public | not public | |
| Trained policies (10) (differs) | public | not public | |
| Verification level (differs) | L2 | L0 | |
| Sources (differs) | 8 | 2 | |
| 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, PUDU D9.
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