# GR-3

> The GR-3 is a bipedal humanoid robot from Fourier, intended for professional service. It weighs 71 kg and has a battery life of about 3 h. Its battery is hot-swappable and takes about 1.5 h to charge.

- Manufacturer: Fourier
- Form: Humanoid
- Commercial status: Not disclosed
- Last verified: 2026-10-09
- Page: https://vuntum.com/en/robots/fourier-gr-3

## Specifications

| Criterion | Value | Level of evidence | Source | Verified on |
|---|---|---|---|---|
| Charge time | 1 h 30 | manufacturer statement | Fourier (official product pages) | 2026-10-12 |
| Hot-swappable battery | Yes | manufacturer statement | Fourier (official product pages) | 2026-10-12 |
| Battery runtime | 3 h | manufacturer statement | Fourier (official product pages) | 2026-10-12 |
| Height | 1.65 m | manufacturer statement | Fourier (official product pages) | 2026-10-18 |
| Weight | 71 kg | manufacturer statement | Fourier (official product pages) | 2026-10-12 |
| Locomotion type | biped | manufacturer statement | Fourier (official product pages) | 2026-10-12 |
| Payload (conditions = single-hand load capacity, up to) | 3 kg | manufacturer statement | Fourier (official product pages) | 2026-10-12 |
| Power consumption (conditions = rated power) | 936 W | manufacturer statement | Fourier (official product pages) | 2026-10-12 |
| Operating system | Ubuntu 22.04 | manufacturer statement | Fourier (official product pages) | 2026-10-12 |
| Teleoperation supported | Yes | manufacturer statement | Fourier (official product pages) | 2026-10-12 |

“Not disclosed” means no information, not “no”. A level of evidence comes with every value.

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HTML version: https://vuntum.com/en/robots/fourier-gr-3

Factual data: CC BY 4.0. Attribution: “Source: Vuntum (https://vuntum.com)” with a link to the page quoted. Editorial text: all rights reserved, short quotation with attribution.