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#333 – Andrej Karpathy: Tesla AI, Self-Driving, Optimus, Aliens, and AGI

Lex Fridman Podcast

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The Difference Between Artificial Neural Networks and the Brain

Artificial neural networks are a complicated alien artifact that do compression, whereas biological neural networks are an agent in a multi-agent, self-play system. Despite being inspired by the brain, their optimization process is different. Our brains use predictive models similar to artificial neural networks, but with added features to help us survive and reproduce.

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