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by famouswaffles 1179 days ago
he's likely talking bout the internals. sure we know how to train them but nobody knows what the models learn exactly. how those billions of parameters shape the output on inference.

a few months ago, just this year some researchers discovered what might be the neuron that largely decides when to use an in gpt-2. yes 2. that's what he means.

https://clementneo.com/posts/2023/02/11/we-found-an-neuron