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 10 cm taller (130 vs 120 cm) and 3 kg heavier (38 vs 35 kg) than Asimov 1. Fourier N1 has 2 fewer degrees of freedom (23 vs 25) than Asimov 1. Openness score: Fourier N1 85, Asimov 1 70 (of 100); only Fourier N1 publishes BOM and POL; only Asimov 1 publishes FW. Availability: Fourier N1 buy, Asimov 1 kit.
| Field | Fourier (Fourier Intelligence)Fourier N1 | Menlo Research (Asimov)Menlo Asimov 1 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Fourier (Fourier Intelligence) | Menlo Research (Asimov) | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability (differs) | Buy | Kit | |
| Country (differs) | China | Singapore | |
| Year (differs) | 2025 | 2026 | |
| Specifications | |||
| Height (differs) | 130cm | 120cm | +10 cm (+8%) |
| Mass (differs) | 38kg | 35kg | +3 kg (+9%) |
| Degrees of freedom (differs) | 23 | 25 | −2 (-8%) |
| Payload | —unsourced | —unsourced | |
| Top speed | 3.5m/s | —unsourced | |
| Runtime | 120min | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | —unsourced | 20,000USD | |
| Actuators (differs) | Fourier FSA actuators; URDF effort limits 95 N·m x4, 54 N·m x7, 30 N·m x12 | CAN-bus actuators; 6 DOF/leg, 5 DOF/arm, 1 waist, 2 neck; RSU ankle with passive toes | |
| Compute | —unsourced | Raspberry Pi 5 (media/network) + Radxa CM5 (motion control) | |
| Sensors | —unsourced | 2MP monocular camera, stereo mic array, 6-DOF IMU, joint states | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 85/ 100 | 70/ 100 | +15 |
| CAD (25) | public | public | |
| Bill of materials (20) (differs) | public | not 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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