Fourier Intelligence
Fourier Intelligence GR-3
Full-size humanoid designed as a care and companionship robot, with soft outer covering, touch sensing and voice interaction.
Learn:Humanoid and legged robots: how they walk and keep their balanceInside a robot joint: motors, reducers and encodersAI in robots: perception, learned control and foundation modelsControl loops and encoders: how a robot holds its position
Compare with other robots- Height
- 1,642 mm
- Weight
- 71 kg
- Payload
- 3 kg
- Degrees of freedom
- 55
Technical specifications
Dimensions
| Specification | Value | Source |
|---|---|---|
| Height | 1,642 mmlisted dimensions 1642 × 552 × 292 mm | support.fftai.com (opens in a new tab)Sep 28, 2026 |
| Weight | 71 kgapprox., net weight | support.fftai.com (opens in a new tab)Sep 28, 2026 |
Performance
| Specification | Value | Source |
|---|---|---|
| Payload | 3 kgapprox., single arm | support.fftai.com (opens in a new tab)Sep 28, 2026 |
| Degrees of freedom | 55up to 55 actuators with optional 12-DoF dexterous hands | support.fftai.com (opens in a new tab)Sep 28, 2026 |
| Maximum speed | 1.69 m/swalking speed, converted from 6.1 km/h | support.fftai.com (opens in a new tab)Sep 28, 2026 |
Power & battery
| Specification | Value | Source |
|---|---|---|
| Battery capacity | 936 Whlisted as 702 Wh + 234 Wh (two packs) | support.fftai.com (opens in a new tab)Sep 28, 2026 |
| Battery voltage | 46.8 Vnominal | support.fftai.com (opens in a new tab)Sep 28, 2026 |
| Runtime | 180 minapprox., converted from ~3 h | support.fftai.com (opens in a new tab)Sep 28, 2026 |
| Charging time | 90 minapprox., converted from ~1.5 h | support.fftai.com (opens in a new tab)Sep 28, 2026 |
| Power consumption | 936 Wrated power, approx. | support.fftai.com (opens in a new tab)Sep 28, 2026 |
Environment
| Specification | Value | Source |
|---|---|---|
| Minimum operating temperature | 0 °C | support.fftai.com (opens in a new tab)Sep 28, 2026 |
| Maximum operating temperature | 45 °C | support.fftai.com (opens in a new tab)Sep 28, 2026 |
Compute
| Specification | Value | Source |
|---|---|---|
| Compute platform | AMD Ryzen 7 8845HS (Ubuntu 22.04) | support.fftai.com (opens in a new tab)Sep 28, 2026 |
Software
| Specification | Value | Source |
|---|---|---|
| SDK available | YesGR-3 SDK modules documented | support.fftai.com (opens in a new tab)Sep 28, 2026 |
Documentation
External links to the original publishers.
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