Booster K1 vs Fourier GR-2
Generated from the registry · revision 2026-09-26 · openness out of 100
Booster K1 is 80 cm shorter (95 vs 175 cm) and 43.5 kg lighter (19.5 vs 63 kg) than Fourier GR-2. Booster K1 has 31 fewer degrees of freedom (22 vs 53) than Fourier GR-2. Both score 30/100 on openness. Availability for both: buy.
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Side by side
■ rows differ| Field | Booster RoboticsBooster K1 | Fourier (Fourier Intelligence)Fourier GR-2 | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Booster Robotics | Fourier (Fourier Intelligence) | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country | China | China | |
| Year (differs) | 2025 | 2024 | |
| Specifications | |||
| Height (differs) | 95cm | 175cm | −80 cm (-46%) |
| Mass (differs) | 19.5kg | 63kg | −43.5 kg (-69%) |
| Degrees of freedom (differs) | 22 | 53 | −31 (-58%) |
| Payload | —unsourced | 3kg | |
| Top speed | —unsourced | —unsourced | |
| Runtime (differs) | 40min | 120min | −80 min (-67%) |
| Battery capacity | —unsourced | —unsourced | |
| Price | 4,999USD | —unsourced | |
| Actuators (differs) | Dual-encoder actuators | Fourier FSA 2.0 actuators (>380 N·m peak) | |
| 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 | 30/ 100 | 30/ 100 | = |
| CAD (25) | not public | not public | |
| Bill of materials (20) | not public | not public | |
| Sim model (URDF/MJCF) (20) | public | public | |
| Firmware (15) | not public | not public | |
| Software (10) | public | public | |
| Trained policies (10) | not public | not public | |
| Verification level | L1 | L1 | |
| Sources | 2 | 2 | |
| Last checked | 2026-09-24 | 2026-09-24 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Booster K1, Fourier GR-2.
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