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

cortex-omega
1.2.1

This version was deleted from PyPI around 2025-12-04. Installing fails with:
$ pip3 install cortex-omega==1.2.1 ERROR: Could not find a version that satisfies the requirement cortex-omega==1.2.1
View other deleted versions of cortex-omega

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/2025-12-03/ \ cortex-omega==1.2.1
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Or, download files manually

And install manually via pip:
cortex_omega-1.2.1-py3-none-any.whl (43.6KB)
cortex_omega-1.2.1.tar.gz (40.9KB)