Fourier N1 vs Stanford ToddlerBot
Generated from the registry · revision 2026-09-26 · openness out of 100
Fourier N1 is 74 cm taller (130 vs 56 cm) and 34.6 kg heavier (38 vs 3.4 kg) than ToddlerBot. Fourier N1 has 7 fewer degrees of freedom (23 vs 30) than ToddlerBot. Openness score: Fourier N1 85, ToddlerBot 100 (of 100); only ToddlerBot publishes FW. Availability: Fourier N1 buy, ToddlerBot diy build.
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Side by side
■ rows differ| Field | Fourier (Fourier Intelligence)Fourier N1 | Stanford UniversityStanford ToddlerBot | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Fourier (Fourier Intelligence) | Stanford University | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Active | Research | |
| Availability (differs) | Buy | DIY build | |
| Country (differs) | China | United States | |
| Year | 2025 | 2025 | |
| Specifications | |||
| Height (differs) | 130cm | 56cm | +74 cm (+132%) |
| Mass (differs) | 38kg | 3.4kg | +34.6 kg (+1018%) |
| Degrees of freedom (differs) | 23 | 30 | −7 (-23%) |
| Payload | —unsourced | 1.48kg | |
| 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 actuators; 7 DOF/arm, 6 DOF/leg, 2 neck, 2 waist | |
| Compute | —unsourced | NVIDIA Jetson Orin NX 16GB | |
| Sensors | —unsourced | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 85/ 100 | 100/ 100 | −15 |
| 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) | public | public | |
| Verification level | L2 | L2 | |
| Sources (differs) | 8 | 3 | |
| Last checked | 2026-09-25 | 2026-09-25 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Fourier N1, ToddlerBot.
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