# Stretch 4 vs REEM-C

- [Stretch 4](https://vuntum.com/en/robots/hello-robot-stretch-4) · [REEM-C](https://vuntum.com/en/robots/pal-reem-c)
- Last verified: 2026-10-02

| Criterion | Stretch 4 | REEM-C |
|---|---|---|
| Height | 1.6 m (manufacturer statement, Hello Robot (pages produit officielles)) | 1.65 m (manufacturer statement, PAL Robotics (pages produit officielles)) |
| Weight | 46 kg (manufacturer statement, Hello Robot (pages produit officielles)) | 80 kg (manufacturer statement, PAL Robotics (pages produit officielles)) |
| Battery runtime | Not disclosed | 21,600 s (manufacturer statement, PAL Robotics (pages produit officielles)) |
| Maximum speed | Not disclosed | 0.694 m/s (manufacturer statement, PAL Robotics (pages produit officielles)) |
| Payload | 4 kg (manufacturer statement, Hello Robot (pages produit officielles)) | 1 kg (manufacturer statement, PAL Robotics (pages produit officielles)) |
| Climbs stairs | Not disclosed | Yes (manufacturer statement, PAL Robotics (pages produit officielles)) |
| Autonomous navigation | Yes (manufacturer statement, Hello Robot (pages produit officielles)) | Not disclosed |
| Camera | Yes (manufacturer statement, Hello Robot (pages produit officielles)) | Not disclosed |
| Teleoperation supported | Yes (manufacturer statement, Hello Robot (pages produit officielles)) | Yes (manufacturer statement, PAL Robotics (pages produit officielles)) |
| Public SDK | Yes (manufacturer statement, Hello Robot (pages produit officielles)) | Not disclosed |
| Operating system | Not disclosed | Linux, Ubuntu, ROS (manufacturer statement, PAL Robotics (pages produit officielles)) |

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

## Frequently asked questions

### On which criteria can Stretch 4 and REEM-C be compared?

On 3 criteria documented for both robots and measured the same way: height, weight and teleoperation supported.

### Who makes Stretch 4 and REEM-C?

Stretch 4 is made by Hello Robot, REEM-C by PAL Robotics.

### Where do the values in this comparison come from?

Every value links to a claim on the robot’s sheet, with its source, its level of evidence and the date it was verified. “Not disclosed” means that no validated source gives the value, never “no”.

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