Guideline concordance of large language models for ERAS colorectal surgery recommendations: a blinded, clinician-rated comparison of Google Gemini and ChatGPT
Background: Large language models (LLMs) are increasingly used by clinicians and trainees for perioperative decision support, yet their alignment with Enhanced Recovery After Surgery (ERAS) recommendations remains uncertain. Methods: We converted the 2025 ERAS Society recommendations for elective colorectal surgery into a 52-question bank (preoperative…