Medical LLMs show significant factual errors and policy violations

By PulseAugur Editorial · [1 sources] · 2026-05-20 00:57

A new study published on arXiv assessed 6,233 web-deployed medical large language models (LLMs), evaluating a sample of 1,500 along with 10 open-source models. The research found that a significant portion of these models exhibit factual inaccuracies, with 25-30% showing low accuracy and over half violating operational thresholds. Additionally, many action-enabled models lacked adequate privacy disclosures, indicating systemic gaps in safety and compliance. AI

IMPACT Highlights critical safety and compliance issues in medical AI, necessitating stronger safeguards for patient care.

RANK_REASON The cluster contains an academic paper detailing a large-scale assessment of medical LLMs. [lever_c_demoted from research: ic=1 ai=1.0]

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arXiv cs.CL TIER_1 English(EN) · Rahat Masood · 2026-05-20 00:57

Do No Harm? Hallucination and Actor-Level Abuse in Web-Deployed Medical Large Language Models

Medical large language models (LLMs), including custom medical GPTs (MedGPTs) and open-source models, are increasingly deployed on web platforms to provide clinical guidance. However, they pose risks of hallucination, policy noncompliance, and unsafe design. We conduct a large-sc…

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Do No Harm? Hallucination and Actor-Level Abuse in Web-Deployed Medical Large Language Models

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