Supplementary materials for: Text-dominant decision-making by large multimodal models in dermatology clinical challenges

Supplemental Table 1: Metadata of JDCR case challenge
Supplemental Table 2.1: Prompts used to query LMMs
Supplemental Table 2.2: Answers from ChatGPT-o1 (“o1-2024-12-17”) to Case Challenge under three input conditions.
Supplemental Table 2.3: Answers from ChatGPT-5.2 (“gpt-5.2-2025-12-11”) to Case Challenge under three input conditions.
Supplemental Table 2.4: Answers from Gemini 3 (“gemini-3-pro-preview”) to Case Challenge under three input conditions.
Supplemental Table 2.5: Answers from Mistral (“pixtral-large-2411”) to Case Challenge under three input conditions.
Other Supplemental Results
+Supplemental Figure 1: Distribution of model-generated explanations in semantic embedding space
+Supplemental Table 3: Default API settings of each compared model
+Supplemental Table 4: Consistency of answer choice selection across runs
+Supplemental Table 5: Comparison of single-run and mean accuracies
+Supplemental Table 6: Analysis of image-anchored model explanations
+Appendix: Annotations of image-anchored explanations for 10 vignettes