China——

Fourier

Shanghai robotics company that grew out of rehabilitation robots into the GRx line of humanoids

Fourier GR-2

Humanoid · Production

Fourier GR-2 is the company's second-generation humanoid, 175 cm tall and about 63 kg, with up to 53 actuated joints when fitted with 12-DoF hands. Fourier rates it at 5 km/h walking speed, about 3 kg per arm and roughly two hours per detachable battery.

Height: 175 cmOfficial
Weight: 63 kgOfficial
Payload: 3 kgOfficial
DOF: 53Official
Hand DOF: 6Official
Top speed: 5 km/hOfficial
Runtime: 2 hOfficial
Battery: About 950 Wh Li-ion, detachableOfficial
Actuator: FSA 2.0, dual encoders, max 436 N·mOfficial
Hand: 6-DoF hand; optional 12-DoF, 6 tactile arraysOfficial
Sensor: Stereo camera, 6-axis IMUOfficial

Fourier GR-3

Humanoid · Pilot

Fourier GR-3 is a 165 cm, roughly 71 kg care and companionship humanoid with a soft upholstered shell, up to 55 degrees of freedom and 31 distributed pressure sensors for touch response. It runs about three hours on dual hot-swappable batteries and pairs rule-based reflexes with a large language model for dialogue.

Height: 165 cmOfficial
Weight: 71 kgOfficial
Payload: 3 kgOfficial
DOF: 55Official
Hand DOF: 6Official
Top speed: 5.5 km/hOfficial
Runtime: 3 hOfficial
Battery: Dual hot-swap, 702 Wh + 234 WhOfficial
Actuator: Max peak torque 440 N·m, dual encodersOfficial
Sensor: Stereo depth camera, 4 mics, 31 touch sensorsOfficial
AI model: Multimodal interaction system with LLMOfficial