Martinez, California, is as far from Silicon Valley as one can get while still being in the San Francisco Bay Area. Home to Hello Robot, the startup released the fourth iteration of its home assistance robot, Stretch, last month. While Stretch has a vaguely humanoid torso and a sensor-studded head, its telescoping arm features pinchers, and it moves on a heavy, omnidirectional wheeled base. When Stretch's batteries run low, lights around its 'eyes' glow—'it looks angry,' jokes engineer Blaine Matulevich.
Founded in 2017 by CEO Aaron Edsinger, a former robotics director at Google, and CTO Charlie Kemp, a Georgia Tech professor, Hello Robot isn’t creating foundation models or promising to replace every human job. Instead, they developed Stretch to work in real homes with real people, unlike many robots confined to laboratories. This is critical, as the latest advances in AI promise enhanced capabilities, yet useful training data remains scarce. Investors are increasingly focused on deployment, as noted by Bullhound Capital in a report: 'Companies that deploy first accumulate site-specific recovery loops and workflow tolerances that no competitor can buy or synthesize.'
A Different Kind of Embodiment
Keith Platt, an investor in Georgia, joined Hello Robot's board after taking Stretch as a housemate. Paralyzed in 2021, he can only control parts of his shoulders, neck, and head. He began exploring adaptive technology and started collaborating with Hello Robot in 2024, where an occupational therapist supports their work. Platt controls Stretch via a voice-operated iPhone app, allowing it to autonomously move around his house, after which he directly manipulates objects. Initially, getting Stretch to serve him a protein shake took nearly two hours, but he has since reduced that to just a few minutes.
Dependence on others is a significant challenge for Platt. Any ability to regain independence—like putting on or taking off his reading glasses or brushing his teeth—is substantial, not just for him, but also for his caregivers. He predicts robotic assistants could be 'life-changing' for families, enabling people with mobility challenges to safely spend days at home.
Stretch comes with limited autonomy, focusing on having a human in the loop as a feature. Matulevitch emphasizes that human control is a desired aspect of the robot. Despite the current state of hardware being subpar, Stretch’s simpler design may offer more power. Edsinger likens his company to Waymo, emphasizing a safety-first approach. Stretch 4 retails for $30,000, slightly higher than some Chinese-made robots, yet Edsinger aims to keep it accessible for hackers and researchers.
Hello Robot's customers range from researchers testing AI advancements to enterprises exploring Stretch’s utility in data centers. The robot’s combination of sensors, physical capabilities, and safe operations could make it a candidate for fulfilling the aspirations of physical AI. Hello Robot intends to keep iterating, with lessons from Stretch 4 feeding into the development of their next bot.
Blogger's Review: Hello Robot's focus on practical applications for home robotics demonstrates a pragmatic approach to technology. Rather than chasing complex humanoid designs, prioritizing the enhancement of life quality, especially for those with special needs, can yield greater societal value and broader market acceptance in the future.