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 humanoidsNo height, mass, DOF or payload figure is sourced for both Fourier N1 and UBTech Walker S (S1 / S2) yet. Openness score: Fourier N1 85, UBTech Walker S (S1 / S2) 0 (of 100); only Fourier N1 publishes CAD, BOM, SIM, SW and POL. Availability for both: buy.
| Field | Fourier (Fourier Intelligence)Fourier N1 | UBTech RoboticsUBTech Walker S (S1 / S2) | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Fourier (Fourier Intelligence) | UBTech 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 | 15kg | |
| Top speed | 3.5m/s | —unsourced | |
| 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 | Servo joints with force feedback | |
| Compute | —unsourced | BrainNet 2.0 + Co-Agent (UBTech software) | |
| Sensors | —unsourced | RGB binocular stereo vision (S2) | |
| 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 | 3 | |
| Last checked (differs) | 2026-09-25 | 2026-09-24 | |
03
Best-documented pairs
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