Earlier quoted context omitted.
> This "hallucination" come along a lot recently. Couldn’t exactly be otherwise given how young GPT is. ChatGPT was released a bit under 7 months ago. > Is it a legit concept or just "the dog ate my homework" type of excuse for anything? It’s an analogy for how LLMs work. An LLM does not know anything, it just adds tokens probabilistically based on the previous tokens. So essentially it always hallucinates (makes shi…
Which is why "hallucination" is really the wrong word to use, "confabulation" would be more proper. But "hallucination" has stuck because it's the word used back when people first figured out the trick of running image classifiers "in reverse" to generate images from noise.
So “hallucination” hews close enough to have good explanatory powers.