Fourier GR-3 vs Unitree G1
Fourier against Unitree Robotics, 5 specifications published by both.
Key differences
- Fourier GR-3 is heavier (71 kg vs 35 kg for Unitree G1).
- Fourier GR-3 runs longer per charge (3 h vs 2 h for Unitree G1).
- Fourier GR-3 carries more (3 kg vs 2 kg for Unitree G1).
- Fourier GR-3 is taller (1.65 m vs 1.32 m for Unitree G1).
- Fourier GR-3 has more degrees of freedom (55 vs 23 for Unitree G1).
Side by side
| Spec | Fourier GR-3 | Unitree G1 |
|---|---|---|
| Status | Prototype support-old.fftai.com | Commercially available unitree.com |
| Price | — | $13,500 unitree.com |
| Mass | 71 kg | 35 kg About 35 kg with battery |
| Runtime per charge | 3 h (better) | 2 h About 2 h, 9000 mAh quick-release battery |
| Payload | 3 kg (better) Single hand load capacity | 2 kg Arm maximum load, about 2 kg (G1 EDU about 3 kg); varies with arm posture |
| Height | 1.65 m | 1.32 m |
| Degrees of freedom | 55 (better) Up to 55, depending on hand option | 23 Base G1; G1 EDU 23–43 depending on options |
| Top speed | 6.1 km/h Walking speed | — |
| Hand DoF (per hand) | 6 Standard hand; optional 12-DoF dexterous hand | — |
| Swappable battery | Yes | — |
| Dimensions (L × W × H) | — | — |
| Reach | — | — |
| Ingress protection | — | — |
Bold = better where higher or lower is clearly better · “—” = not published