The ChatGPT model is huge, but it’s not huge enough to retain every exact fact it’s encountered in its training set.

It can produce a convincing answer to anything, but that doesn’t mean it’s reflecting actual facts in its answers. You always have to stay skeptical and fact check what it tells you.

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I like to think of language models like ChatGPT as a calculator for words.

This is reflected in their name: a “language model” implies that they are tools for working with language. That’s what they’ve been trained to do, and it’s language manipulation where they truly excel.

The post includes a list of language manipulations you can try.