5min chapter

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#151 – Ajeya Cotra on accidentally teaching AI models to deceive us

80,000 Hours Podcast

CHAPTER

How Machine Learning Models Are Trained

I recently heard a different framing than what I'd previously heard for how machine learning models are trained. So as I understand it when you're training an ML model you start out with basically a random brain more or less lots of neurons all connected to one another. And then you see how that random brain performs on some given task and given that it's kind of just a randomly chosen one it's going to be terrible. It's going to start out completely useless of course. Then you look at how it would have done if the weights between various different neurons in the network were a little bit higher or a little bit lower. If the model would have done a touch better like the task if a

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