Group 1 - OpenAI has established a humanoid robot laboratory that has expanded over four times since its launch in February 2025, employing around 100 data collectors to train robotic arms for household tasks [1] - The laboratory employs a combination of teleoperation and simulation training, utilizing low-cost 3D printed controllers to gather real-world interaction data, which is a more pragmatic approach compared to Tesla's end-to-end training [2] - OpenAI aims to inject sensor data from robots directly into multimodal models like the GPT architecture to enhance AI's understanding of physical concepts, with experimental data showing a 47% reduction in task error rates when tactile feedback is included [2] Group 2 - The focus of OpenAI's laboratory is on household chores, indicating a target market in the trillion-dollar home service sector, where the demand for environmental adaptability is higher than for industrial robots [2] - The industry anticipates that 2027 will be a critical year for the large-scale deployment of humanoid robots, coinciding with Tesla's plan to produce 50,000 to 100,000 units of its Optimus robot by 2026 [2] - As of January 23, 2026, the National Securities Robot Industry Index has seen a slight increase of 0.29%, with notable gains in constituent stocks such as CITIC Heavy Industries and Aerospace Zhizhuang [3]