Evaluating the Performance of ChatGPT, Gemini, and Bing Compared with Resident Surgeons in the Otorhinolaryngology In-service Training Examination

Objective Large language models (LLMs) are used in various fields for their ability to produce human-like text. They are particularly useful in medical education, aiding clinical management skills and exam preparation for residents. To evaluate and compare the performance of ChatGPT (GPT-4), Gemini, and Bing with each other and with otorhinolaryngology residents in answering in-service training exam questions and provide insights into the usefulness of these models in medical education and healthcare. Methods Eight otorhinolaryngology in-service training exams were used for comparison. 316 questions were prepared from the Resident Training Textbook of the Turkish Society of Otorhinolaryngology Head and Neck Surgery. These questions were presented to the three artificial intelligence models. The exam results were evaluated to determine the accuracy of both models and residents. Results GPT-4 achieved the highest accuracy among the LLMs at 54.75% (GPT-4 vs. Gemini p=0.002, GPT-4 vs. Bing p<0.001), followed by Gemini at 40.50% and Bing at 37.00% (Gemini vs. Bing p=0.327). However, senior residents outperformed all LLMs and other residents with an accuracy rate of 75.5% (p<0.001). The LLMs could only compete with junior residents. GPT-4 and Gemini performed similarly to juniors, whose accuracy level was 46.90% (p=0.058 and p=0.120, respectively). However, juniors still outperformed Bing (p=0.019). Conclusion The LLMs currently have limitations in achieving the same medical accuracy as senior and mid-level residents. However, they outperform in specific subspecialties, indicating the potential usefulness in certain medical fields.