You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

codex
1.9.17

This version was deleted from PyPI around 2026-04-09. Installing fails with:
$ pip3 install codex==1.9.17 ERROR: Could not find a version that satisfies the requirement codex==1.9.17
View other deleted versions of codex

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2026-04-08/ \ codex==1.9.17
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
codex-1.9.17-py3-none-any.whl (413.9KB)
codex-1.9.17.tar.gz (1.2MB)