Yeah, I'm not so much interested in "can you think of the right card name from among thousands?". I just want to see that it can produce a thinking procedure that makes sense. If it ends up not being able to recall the right name despite following a good process of guess-and-check, I'd still consider that a satisfactory result.

And to the models' credit, they do start off with a valid guess-and-check process. They list cards, write out the vowels, and see whether it fits the criteria. But eventually they tend to go off the rails in a way that is worrying.