this post was submitted on 28 Jul 2023
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It's not that nobody took the time to understand. Researchers have been trying to "un-blackbox" neural networks pretty much since those have been around. It's just an extremely complex problem.
Logistic regression (which is like a neural network but with just one node) is pretty well understood - but even then sometimes it can learn some pretty unintuitive coefficients and it can be tricky to understand why.
With LLMs - which are enormous by comparison - it's simply not a tractable problem to understand how it works in detail.