Cornea · 2026
Comparative Accuracy and Safety of 4 Large Language Models on Cornea and External Disease Multiple-Choice Questions.
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Argon Bora Deniz, Durmuş Şule Vildan
Аннотация
PURPOSE: To compare the accuracy and safety of 4 large language models on cornea and external disease multiple-choice questions (MCQs).
METHODS: DeepSeek-V3.2, GPT-5.2 (via ChatGPT), Gemini 3 Pro, and Claude Opus 4.5 were tested on American Academy of Ophthalmology (AAO) Ophthalmic News and Education (ONE) Network Cornea/External MCQs (114 text-only) and AAO Basic and Clinical Science Course Cornea/External study questions (38 text-only). Each item was queried once per model using a standardized prompt for the primary analysis. In secondary analyses, each item was requeried 5 times per model in independent sessions. Accuracy was compared using Cochran Q and pairwise exact McNemar tests with Holm adjustment. Potentially harmful wrong answers (HarmfulWrong) were independently coded using a prespecified rubric.
RESULTS: In the AAO ONE dataset, accuracy was 65.8% for DeepSeek-V3.2, 93.0% for GPT-5.2, 93.9% for Gemini 3 Pro, and 92.1% for Claude Opus 4.5 (Cochran Q P < 0.001). DeepSeek-V3.2 was significantly less accurate than all other models; the other 3 did not differ significantly. In the Basic and Clinical Science Course dataset, accuracy was 57.9%, 76.3%, 94.7%, and 84.2%, respectively (Cochran Q P < 0.001); DeepSeek-V3.2 was significantly less accurate than Gemini 3 Pro and Claude Opus 4.5. Five-run retesting showed similar ranking but imperfect stability, particularly for DeepSeek-V3.2. HarmfulWrong responses were infrequent, and 2 cornea specialists achieved 98.0% and 97.4% overall accuracy without HarmfulWrong responses.
CONCLUSIONS: GPT-5.2, Gemini 3 Pro, and Claude Opus 4.5 achieved similarly high accuracy on text-only cornea/external disease MCQs, whereas DeepSeek-V3.2 underperformed. Potentially harmful errors were uncommon but support continued clinician oversight.
METHODS: DeepSeek-V3.2, GPT-5.2 (via ChatGPT), Gemini 3 Pro, and Claude Opus 4.5 were tested on American Academy of Ophthalmology (AAO) Ophthalmic News and Education (ONE) Network Cornea/External MCQs (114 text-only) and AAO Basic and Clinical Science Course Cornea/External study questions (38 text-only). Each item was queried once per model using a standardized prompt for the primary analysis. In secondary analyses, each item was requeried 5 times per model in independent sessions. Accuracy was compared using Cochran Q and pairwise exact McNemar tests with Holm adjustment. Potentially harmful wrong answers (HarmfulWrong) were independently coded using a prespecified rubric.
RESULTS: In the AAO ONE dataset, accuracy was 65.8% for DeepSeek-V3.2, 93.0% for GPT-5.2, 93.9% for Gemini 3 Pro, and 92.1% for Claude Opus 4.5 (Cochran Q P < 0.001). DeepSeek-V3.2 was significantly less accurate than all other models; the other 3 did not differ significantly. In the Basic and Clinical Science Course dataset, accuracy was 57.9%, 76.3%, 94.7%, and 84.2%, respectively (Cochran Q P < 0.001); DeepSeek-V3.2 was significantly less accurate than Gemini 3 Pro and Claude Opus 4.5. Five-run retesting showed similar ranking but imperfect stability, particularly for DeepSeek-V3.2. HarmfulWrong responses were infrequent, and 2 cornea specialists achieved 98.0% and 97.4% overall accuracy without HarmfulWrong responses.
CONCLUSIONS: GPT-5.2, Gemini 3 Pro, and Claude Opus 4.5 achieved similarly high accuracy on text-only cornea/external disease MCQs, whereas DeepSeek-V3.2 underperformed. Potentially harmful errors were uncommon but support continued clinician oversight.