Fourier N1 vs Sanctuary Phoenix
Generated from the registry · revision 2026-09-26 · openness out of 100
Fourier N1 is 40 cm shorter (130 vs 170 cm) and 32 kg lighter (38 vs 70 kg) than Phoenix. Openness score: Fourier N1 85, Phoenix 0 (of 100); only Fourier N1 publishes CAD, BOM, SIM, SW and POL. Availability: Fourier N1 buy, Phoenix not for sale.
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Side by side
■ rows differ| Field | Fourier (Fourier Intelligence)Fourier N1 | Sanctuary AISanctuary Phoenix | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Fourier (Fourier Intelligence) | Sanctuary AI | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Active | Research | |
| Availability (differs) | Buy | Not for sale | |
| Country (differs) | China | Canada | |
| Year (differs) | 2025 | 2023 | |
| Specifications | |||
| Height (differs) | 130cm | 170cm | −40 cm (-24%) |
| Mass (differs) | 38kg | 70kg | −32 kg (-46%) |
| Degrees of freedom | 23 | —unsourced | |
| Payload | —unsourced | 25kg | |
| Top speed (differs) | 3.5m/s | 1.3m/s | +2.2 m/s (+169%) |
| Runtime | 120min | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| 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 | Hydraulic hands (20 DOF total across both hands) | |
| Compute | —unsourced | Carbon AI control system | |
| Sensors | —unsourced | Haptic sensing in hands | |
| 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, Phoenix.
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