Author

Samuel K. Powell

View on Semantic Scholar

1 paper indexed here

We haven’t gathered this author’s papers yet. Follow them and we’ll fetch their work.

Not the right person? Other researchers publish under this name.

Review Aug 2026

HealthBench-Psych: A Mental Health Subset of OpenAI's HealthBench

Evaluating 20 frontier and open models under a cross-vendor panel of three LLM judges, it is found that a statistically tied frontier cluster, measurable refusal behavior in two models, and near-identical rankings across judges are found.

M. Flathers, Phuong Anh Nguyen, J. Noorily et al. · 0 citations