LLMs that quack like a duck
A letter to the editor on the essential nature of LLMs from the Times Literary Supplement (5/30/25):
Large language models
As someone who has spent the past few years working out what AI means to academic journals, I found Melanie Mitchell’s excellent review of These Strange New Minds by Christopher Summerfield (May 16) full of challenging, but often disputable, assertions.
Mitchell quotes the author’s version of the Duck Test: “If something swims like a duck and quacks like a duck, then we should assume that it probably is a duck”. But, as we all know, if it quacks like a duck, it could be anything at all. Anybody stuck with the notion that only real ducks quack must be seriously confused about their childhood doll, which surely said “Mama” when tilted. In this case, the quacking duck is AI and the “Mama” it emits is chatbot information, or “botfo”, which is as much a mechanical product as the piezo beeper responsible for the doll’s locution.
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