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 humanoidsBooster 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.
| 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 | |
03
Best-documented pairs
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