> Hallucinations can sometimes serve the same role as TDD. If an LLM hallucinates a method that doesn’t exist, sometimes that’s because it makes sense to have a method like that and you should implement it.
— https://www.threads.com/@jimdabell/post/DLek0rbSmEM
I guess it’s true for product features as well.
>> Hallucinations can sometimes serve the same role as TDD. If an LLM hallucinates a method that doesn’t exist, sometimes that’s because it makes sense to have a method like that and you should implement it.
A detailed counterargument to this position can be found here[0]. In short, what is colloquially described as "LLM hallucinations" do not serve any plausible role in software design other than to introduce an opportunity for software engineers to stop and think about the problem being solved.
See also Clark's third law[1].
0 - https://addxorrol.blogspot.com/2025/07/a-non-anthropomorphiz...