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Where Do the Probabilities Come From? What is a Model? What Really Lets ChatGPT Work? What Is ChatGPT Doing, and Why Does It Work? Why Does It Work? What Is ChatGPT Doing … Why Does It Work? That ChatGPT can automatically generate one thing that reads even superficially like human-written text is exceptional, and unexpected. But how does it do it? And why does it work? My objective right here is to present a rough outline of what’s occurring inside ChatGPT-and then to discover why it's that it could possibly achieve this nicely in producing what we'd consider to be meaningful text. I should say on the outset that I’m going to concentrate on the large image of what’s occurring-and whereas I’ll point out some engineering particulars, I won’t get deeply into them. So let’s say we’ve bought the text “The smartest thing about AI is its capacity to”. Imagine scanning billions of pages of human-written text (say on the net and in digitized books) and discovering all cases of this textual content-then seeing what word comes next what fraction of the time.
ChatGPT successfully does something like this, besides that (as I’ll clarify) it doesn’t look at literal textual content it appears to be like for things that in a sure sense “match in meaning”. And the outstanding factor is that when ChatGPT does one thing like write an essay what it’s basically doing is just asking over and over “given the text to this point, what ought to the following word be? ”-and every time including a phrase. But, Ok, at every step it will get an inventory of words with probabilities. But which one ought to it actually choose to add to the essay (or no matter) that it’s writing? One might suppose it ought to be the “highest-ranked” phrase (i.e. the one to which the very best “probability” was assigned). But this is where a bit of voodoo begins to creep in. Because for some motive-that perhaps sooner or later we’ll have a scientific-type understanding of-if we all the time choose the best-ranked word, we’ll usually get a really “flat” essay, that by no means seems to “show any creativity” (and even generally repeats word for word).