Hello Robot Stretch 4 is the fourth generation of Hello Robot's mobile manipulator, designed for homes and workplaces. Weighs 46 kg (33 kg without transport ballast), 160 cm tall, 45 cm diameter base. Arm reach is 55 cm + 6 cm wrist, payload 2.5 kg (4 kg with arm retracted).
Stretch 4 features wide-FOV depth sensing, calibrated RGB+Depth camera, floor hazard sensing, and a self-charging dock. Runtime is 8 hours at light CPU load. The platform is open: ROS 2, Python SDK, autonomy demos, and Embodied AI references.
Dimensions, weight and structural proportions
