To cite ellmercodex in publications use:

Herrera S (2026). ellmercodex: 'ChatGPT' Plan Provider for 'ellmer'. doi:10.32614/CRAN.package.ellmercodex. R package version 0.2.1, https://CRAN.R-project.org/package=ellmercodex.

Corresponding BibTeX entry:

  @Manual{ellmercodex,
    title = {{ellmercodex}: 'ChatGPT' Plan Provider for 'ellmer'},
    author = {Simon Herrera},
    year = {2026},
    note = {R package version 0.2.1},
    doi = {10.32614/CRAN.package.ellmercodex},
    url = {https://CRAN.R-project.org/package=ellmercodex},
  }