Fig. 3

Histogram of differential diagnosis scores based on Bond et al. ordinal score [6]: (a) ChatGPT-4 (b) Gemini (c) Copilot (d) Claude AI. (5) The actual diagnosis is included in the differential. (4) A very close suggestion is included. (3) A roughly approximate but useful suggestion is included. (2) A related but unlikely useful suggestion is included. (0) No relevant suggestion