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GPT-4 to launch this week, Microsoft Germany's CTO lets slip

Michael Wojcik Silver badge

Yeah. Grey parrots have around 2e8 forebrain neurons, so figure around 1e12 to 1e13 synapses. Synapses are very roughly parallel to parameters in an LLM. OpenAI won't say (yet) how many parameters GPT-4 has, but GPT-3 clocked in at about 2e11 parameters. So unless GPT-4 is an OOM or two bigger than GPT-3, it's still behind the parrot even by a simple (again, very rough) connectivity matrix.

And the parrot has the rest of its CNS, peripheral nervous system, and body, all of which (per experiments done by the Damasios and others) contributes to cognitive processing. And its world-model is subject to constant updating.

(As an aside, I was pleased to note that GPT-4 still does worse than I did on various standardized tests. That means approximately nothing, but ha anyway.)

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