HealthBench is a benchmark dataset developed by OpenAI in collaboration with 262 physicians from 60 countries to evaluate AI systems in health-related conversational scenarios. It contains 5,000 multi-turn health conversations in a JSONL file (2025-05-07-06-14-12_oss_eval.jsonl), simulating interactions between AI models and users (laypersons or clinicians). Each conversation includes a user prompt, a candidate model response… See the full description on the dataset page: https://huggingface.co/datasets/Tonic/Health-Bench-Eval-OSS-2025-07.