It is because English is an ambiguous input unlike a high level programming language. The output cannot help but be wrong sometimes when the input is ambiguous.

It is because English is an ambiguous input unlike a high level programming language. The output cannot help but be wrong sometimes when the input is ambiguous. See my comment here https://news.ycombinator.com/item?id=49491797 https://news.ycombinator.com/item?id=49491797 Determinism isn't the issue; it's that the prompt does not contain enough information to know the correct way to do the thing, even if it did the thing the same way with the same inputs every time.