A study evaluating AI tools on real clinical queries from physicians found that a specialized clinical tool (OpenEvidence) outperformed frontier general-purpose models (Claude Opus 4.8, Gemini 3.1 Pro…
China's medical AI achieved two milestones: Shanghai MicroPort MedBot's Toumai Remote surgical robot received EU CE mark approval, and Baichuan-M4 clinical AI topped OpenAI's HealthBench benchmark. Th…
OpenAI made GPT-5.5 Instant the default ChatGPT model on May 5, achieving a 52.5% reduction in hallucinated medical claims while matching frontier reasoning models on health benchmarks. The model scor…
OpenAI researcher Karan Singhal is leading the company's push to make ChatGPT a trusted healthcare tool, with over 230 million weekly users seeking health advice. Singhal, formerly of Google, is build…
Researchers developed a variance-aware reward framework using Group Relative Policy Optimization (GRPO) to improve heart-focused medical question answering in large language models. The approach, whic…
Researchers at Duke University introduced Reward-Variance Policy Optimization (RVPO), a risk-sensitive alignment method that penalizes inter-reward variance to prevent language models from neglecting …