Hello Robot Stretch 4
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.
Classification
serves as: Manipulation, Manipulator, Research and Education.
Which group Hello Robot Stretch 4 belongs to and how it is built
Technical specification
Basic physical properties of Hello Robot Stretch 4 — dimensions, weight and materials
Software
ROS 2 (Nav2, MoveIt 2), Python SDK stretch_body, Embodied AI demos (Hello Robot GitHub). Self-charging dock integration. Broader ecosystem than Stretch 3.