Fourier GR-2 vs PNDbotics Adam Lite
Generated from the registry · revision 2026-09-26 · openness out of 100
Fourier GR-2 is 15 cm taller (175 vs 160 cm) and 3 kg heavier (63 vs 60 kg) than Adam Lite. Fourier GR-2 has 28 more degrees of freedom (53 vs 25) than Adam Lite. Openness score: Fourier GR-2 30, Adam Lite 20 (of 100); only Fourier GR-2 publishes SW. Availability for both: buy.
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Side by side
■ rows differ| Field | Fourier (Fourier Intelligence)Fourier GR-2 | PNDboticsPNDbotics Adam Lite | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Fourier (Fourier Intelligence) | PNDbotics | |
| Class | Humanoid | Humanoid | |
| Status | Active | Active | |
| Availability | Buy | Buy | |
| Country | China | China | |
| Year | 2024 | 2024 | |
| Specifications | |||
| Height (differs) | 175cm | 160cm | +15 cm (+9%) |
| Mass (differs) | 63kg | 60kg | +3 kg (+5%) |
| Degrees of freedom (differs) | 53 | 25 | +28 (+112%) |
| Payload | 3kg | —unsourced | |
| Top speed | —unsourced | —unsourced | |
| Runtime | 120min | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | —unsourced | —unsourced | |
| Actuators (differs) | Fourier FSA 2.0 actuators (>380 N·m peak) | quasi-direct-drive actuators | |
| Compute | —unsourced | —unsourced | |
| Sensors | —unsourced | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 30/ 100 | 20/ 100 | +10 |
| 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) (differs) | public | not public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L1 | L2 | |
| Sources (differs) | 2 | 4 | |
| 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: Fourier GR-2, Adam Lite.
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