Unitree and Nvidia R1 humanoid robot Costfoto/NurPhoto via Getty Images Silicon Valley spent the last few years teaching AI to talk. Now it wants to give AI a body to lift, sort, build, and eventually live alongside us. This weekend offered a glimpse of how quickly the biggest AI players are moving in on humanoid robotics. At Nvidia GTC Taipei, the company announced a standard humanoid robot blueprint for academic researchers, expected to be available in late 2026. On Sunday, Sam Altman declared robotics the company's next frontier and made a callout for talent. "In the short term, we are focused on robots to support skilled workers to build our future infrastructure; in the long term, we imagine everyone having a personal robot doing anything they need," Altman wrote on X . Robotics has become tech's latest arms race, with Nvidia, OpenAI, Meta, Tesla, and a flock of startups racing to give AI a body.…