Compare humanoids
Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.
01
Pick robots
52 humanoidsFourier N1 is 84 cm taller (130 vs 46 cm) than Z-Bot (Zeroth Bot). Fourier N1 has 5 more degrees of freedom (23 vs 18) than Z-Bot (Zeroth Bot). Openness score: Fourier N1 85, Z-Bot (Zeroth Bot) 90 (of 100); only Fourier N1 publishes POL; only Z-Bot (Zeroth Bot) publishes FW. Availability: Fourier N1 buy, Z-Bot (Zeroth Bot) diy build.
| Field | Fourier (Fourier Intelligence)Fourier N1 | K-Scale LabsK-Scale Z-Bot (Zeroth Bot) | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Fourier (Fourier Intelligence) | K-Scale Labs | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Active | Orphaned | |
| Availability (differs) | Buy | DIY build | |
| Country (differs) | China | United States | |
| Year | 2025 | 2025 | |
| Specifications | |||
| Height (differs) | 130cm | 46cm | +84 cm (+183%) |
| Mass | 38kg | —unsourced | |
| Degrees of freedom (differs) | 23 | 18 | +5 (+28%) |
| Payload | —unsourced | —unsourced | |
| Top speed | 3.5m/s | —unsourced | |
| Runtime | 120min | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | —unsourced | 999USD | |
| Actuators (differs) | Fourier FSA actuators; URDF effort limits 95 N·m x4, 54 N·m x7, 30 N·m x12 | 18 servo motors | |
| Compute | —unsourced | —unsourced | |
| Sensors | —unsourced | cameras, IMU (per press) | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 85/ 100 | 90/ 100 | −5 |
| CAD (25) | public | public | |
| Bill of materials (20) | public | public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) (differs) | not public | 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 | |
03
Best-documented pairs
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