Fourier GR2
Fourier Intelligence · Humanoid · China
A high-DoF humanoid platform for research and rehabilitation, featuring Fourier's proprietary force-adaptive servo actuators and a modular dual-arm architecture.
Fourier GR2 specifications
| Degrees of freedom | 40 |
|---|---|
| Weight | 58 kg |
| Battery life | 3 h |
| Payload | 15 kg |
| Max speed | 1.5 m/s |
| Actuators | FSA (Force-Adaptive Servo Actuators) |
| Primary sensor | Depth Camera + IMU Fusion Array |
| Function | Research & development |
| Released | 2023 |
| Maturity | Advanced |
| Status | Active |
| Indicative price | $100,000 |
ZeroGantry verdict: 4 out of 5
Fourier GR2 is the dark horse of the humanoid market — less hyped than Figure or Optimus, but with the best force-control architecture of any robot in its price class. The 40-DoF dual-arm system with 8-DoF dexterous hands is unmatched for bimanual manipulation tasks, and the 0.1N torque resolution enables true compliant control that makes the robot safe to operate alongside humans without cages. The open SDK is a breath of fresh air in a market dominated by closed ecosystems — researchers and integrators can actually build on this platform. The weakness is deployment maturity: while Fourier has pilots in rehab and light assembly, there's no BMW Spartanburg or GXO Logistics-scale deployment to point to. The 2-hour battery and slow walking speed also constrain it to stationary or near-stationary work cells. For research labs and early-stage commercial pilots needing dexterous dual-arm manipulation with an open SDK, GR2 is the best value proposition available.
What sets Fourier GR2 apart
- 40-DoF full-body articulation with dexterous 12-DoF hands
- Force-adaptive servo actuators with closed-loop impedance control
- Rehabilitation-focused compliant motion trajectories
Fourier GR2 service and repair
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