Booster K1 vs Fourier N1
Generated from the registry · revision 2026-09-26 · openness out of 100
Booster K1 is 35 cm shorter (95 vs 130 cm) and 18.5 kg lighter (19.5 vs 38 kg) than Fourier N1. Booster K1 has 1 fewer degrees of freedom (22 vs 23) than Fourier N1. Openness score: Booster K1 30, Fourier N1 85 (of 100); only Fourier N1 publishes CAD, BOM and POL. Availability for both: buy.
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Side by side
■ rows differ| Field | Booster RoboticsBooster K1 | Fourier (Fourier Intelligence)Fourier N1 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Booster Robotics | Fourier (Fourier Intelligence) | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country | China | China | |
| Year | 2025 | 2025 | |
| Specifications | |||
| Height (differs) | 95cm | 130cm | −35 cm (-27%) |
| Mass (differs) | 19.5kg | 38kg | −18.5 kg (-49%) |
| Degrees of freedom (differs) | 22 | 23 | −1 (-4%) |
| Payload | —unsourced | —unsourced | |
| Top speed | —unsourced | 3.5m/s | |
| Runtime (differs) | 40min | 120min | −80 min (-67%) |
| Battery capacity | —unsourced | —unsourced | |
| Price | 4,999USD | —unsourced | |
| Actuators (differs) | Dual-encoder actuators | Fourier FSA actuators; URDF effort limits 95 N·m x4, 54 N·m x7, 30 N·m x12 | |
| Compute | NVIDIA Jetson Orin NX 8GB (117 TOPS) base; up to 200 TOPS tier | —unsourced | |
| Sensors | RGB-D camera, 9-axis IMU, microphone array | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 30/ 100 | 85/ 100 | −55 |
| CAD (25) (differs) | not public | public | |
| Bill of materials (20) (differs) | not public | public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) | not public | not public | |
| Software (10) | public | public | |
| Trained policies (10) (differs) | not public | public | |
| Verification level (differs) | L1 | L2 | |
| Sources (differs) | 2 | 8 | |
| Last checked (differs) | 2026-09-24 | 2026-09-25 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Booster K1, Fourier N1.
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