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Cubic millimetre of brain mapped in spectacular detail
(www.nature.com)
This is a most excellent place for technology news and articles.
It's demonstrably several orders of magnitude less complex. That's mathematically clear cut.
Philosophical question without an answer - We do know that it's nowhere near the complexity of the brain.
There are many things we cannot directly interrogate which we can still describe.
It's entirely possible to say that because we know the fundamental structures of each, even if we don't map the entirety of eithers complexity. We know they're fundamentally different - Their basic behaviors are fundamentally different. That's what fundamentals are.
Speculation but entirely possible. We're nowhere near that though. There's nothing even approaching intelligence in LLMs. We've never seen emergent behavior or evidence of an id or ego. There's no ongoing thought processes, no rationality - because that's not what an LLM is. An LLM is a static model of raw text inputs and the statistical association thereof. Any "knowledge" encoded in an LLM exists entirely in the encoding - It cannot and will not ever generate anything that wasn't programmed into it.
It's possible that an LLM might represent a single, tiny, module of AGI in the future. But that module will be no more the AGI itself than you are your cerebellum.
First thing I think we agree on.