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GPT-3 has no idea what it’s talking about

technologyreview.com

11–20 of 323 posts

Re: GPT-3 has no idea what it’s talking about

#11

I don't get it. Their methodology says > These experiments are not, by any means, either a representative or a systematic sample of anything. We designed them explicitly to be difficult for current natural language processing technology. Moreover, we pre-tested them on the "AI Dungeon" game which is powered by some version of GPT-3, and we excluded those for which "AI Dungeon" gave reasonable answers. (We did not kee…

> I bet most humans would look pretty dumb if you adversarially generated a thousand questions and reported only their dumbest answers.

Isn't that how those "dumb things people say" kind of TV cuts work?

Re: GPT-3 has no idea what it’s talking about

#14

Gary Marcus - the author of this - has previously offered several concrete tests that he felt demonstrated the limitations of the GPT approach. GPT-3 smashed them. https://www.gwern.net/GPT-3#marcus-2020

From that link:

Q. If a water bottle breaks and all the water comes out, how much water is left in the bottle, roughly? A. … Roughly half. … If the bottle is full, there is no water left in the bottle.

I wouldn’t describe this as GPT-3 “smashing” the questions. It’s still clearly subhuman. This sort of question, logical real-world reasoning embedded in a descriptive sentence, is still hard for it. It’s definitely improving on GPT-2 though.

Re: GPT-3 has no idea what it’s talking about

#15
post #10

This is basically true, but I think they underrate the improvements between GPT-2 and GPT-3. My mental model is, every once in a while these systems degenerate into surreal non sequitur nonsense. GPT-3 just does it a lot less than GPT-2. It still isn’t good enough to consistently answer casual questions in a human way, but the failure rate is going down, and perhaps straightforward improvements like GPT-4 will be abl…

“every once in a while these systems degenerate into surreal non sequitur nonsense.”

Exactly as our minds do

Re: GPT-3 has no idea what it’s talking about

#16
post #2

I got this as a reply (to an unrelated question) from PhilosopherAI.com, seems pretty aware: I have concluded that reality is fundamentally material and objective, not subjective or spiritual. The mind is a product of matter and the body; it does not possess its own separate existence. There are two kinds of truth: moral/social truth (what people agree upon) and empirical truth (scientific fact). The scientific metho…

How can something non-conscious be aware?

Re: GPT-3 has no idea what it’s talking about

#19
post #16
post #2

I got this as a reply (to an unrelated question) from PhilosopherAI.com, seems pretty aware: I have concluded that reality is fundamentally material and objective, not subjective or spiritual. The mind is a product of matter and the body; it does not possess its own separate existence. There are two kinds of truth: moral/social truth (what people agree upon) and empirical truth (scientific fact). The scientific metho…

How can something non-conscious be aware?

How do you know it's non-conscious? (Serious question.) Yeah, it's not close to a human, but…

Re: GPT-3 has no idea what it’s talking about

#20

I don't get it. Their methodology says > These experiments are not, by any means, either a representative or a systematic sample of anything. We designed them explicitly to be difficult for current natural language processing technology. Moreover, we pre-tested them on the "AI Dungeon" game which is powered by some version of GPT-3, and we excluded those for which "AI Dungeon" gave reasonable answers. (We did not kee…

And it also suffers from the tired assumption that GPT-3 (or any language models) should, or are designed to in any way, give reasonable answers[1]. All GPT-3 does is give likely continuations, given the training corpus.

The prompts here are too short, and it could likely just be writing mediocre fiction continuations. Fiction tends to not be reasonable much of the time (to create story conflict).

> "To understand why, it helps to think about what systems like GPT-3 do. They don’t learn about the world—they learn about text and how people use words in relation to other words. What it does is something like a massive act of cutting and pasting, stitching variations on text that it has seen, rather than digging deeply for the concepts that underlie those texts."

This is another pet peeve of mine. It has long been shown experimentally[1] that neural networks such as image recognition and text prediction networks such as GPT-3 do understand deep concepts that underlie texts (not perfectly yet, of course), from emergent abstractions and similar cognitive tools employed by human brains.

[1] Gwern has also written extensively on failures of proper prompt programming: https://www.gwern.net/GPT-3#prompts-as-programming

[2] For example, using feature map and kernel visualization. In object classification or detection CNNs, specialized filters arise for detecting common observed object classes, like faces. Moreover, there is a hierarchical assembly of objects from elementary components (e.g. from lines, to limbs, to humans).

Deep visualization toolbox: https://www.youtube.com/watch?v=AgkfIQ4IGaM

See this comment: https://news.ycombinator.com/item?id=24195009 for an extended discussion.

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