As scientists aim to develop more intelligent robots, they’re hitting a roadblock. Large language models like ChatGPT-3 have what robots lack: access to knowledge about practically everything humans have ever written. In turn, robots have what the models lack: physical bodies that can interact with their surroundings, connecting words to reality. “The way things are now, the language understanding is amazing, and the robots suck,” says Stefanie Tellex, half-jokingly. As a roboticist at Brown who works on robots’ grasp of language, she says “the robots have to get better to keep up.”
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