To cite package ‘vitals’ in publications use:

  Couch S (2026). _vitals: Large Language Model Evaluation_. R package
  version 0.3.0.9000, <https://github.com/tidyverse/vitals>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {vitals: Large Language Model Evaluation},
    author = {Simon Couch},
    year = {2026},
    note = {R package version 0.3.0.9000},
    url = {https://github.com/tidyverse/vitals},
  }