Stanford and Caltech Integrate GPT-6 Astra into Unitree G1 for Kitchen Cleaning

On September 27, 2026, researchers from Stanford and Caltech successfully integrated OpenAI's GPT-6 Astra into the Unitree G1 robot, enabling it to autonomously clean an unfamiliar kitchen. The system, named HomeBody, allows the robot to explore its environment and build a digital twin using Nvidia's Isaac Sim software. Matthias Bastian noted that GPT-6 Astra demonstrates significantly improved spatial reasoning, enhancing the robot's ability to navigate and perform cleaning tasks effectively. However, challenges remain, including Astra's latency, overheating finger servos, and high compute costs. Bastian also highlighted potential safety issues when Astra controls a robot. This development follows OpenAI's announcement of plans to re-enter the robotics space, indicating a growing interest in the intersection of AI and robotic applications. The code for this project is available on GitHub.