They aren’t trying to return a true answer. They are trying to return a likely answer based on the information it has and how it’s seen other people respond to similar questions. Now those are often right answers because that’s how people generally answer such questions in the data it has seen. But there is no guarantee.
ChatGPT is a chat bot belonging to the family of generative AI models called Large Language Model, or LLM. ChatGPT generates text based on learned statistical relationships between words. ChatGPT does not evaluate whether or not what it is generating is correct, only whether or not it is statistically likely based on the prior input and its training data.
If you ask ChatGPT to tell you the sum of 2 + 2 it will tell you that the sum is 4. However, ChatGPT will tell you this because it’s seen that many times before in its training data, it will not tell you it because it’s evaluating a mathematical expression.
If you instead ask ChatGPT to tell you the product of 45694 and 9866 it will almost certainly give you an incorrect result. It hasn’t seen that before, so it will just produce something close to it that it has seen before because that’s the most likely result based on the training data.
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