The # OpenAI # Codex desktop app (since rebranded to just # ChatGPT ) has 1.7GB of stuff in there in a folder called codex-primary-runtime, including a full # Python installation, a full # NodeJS inst

The # OpenAI # Codex desktop app (since rebranded to just # ChatGPT ) has 1.7GB of stuff in there in a folder called codex-primary-runtime, including a full # Python installation, a full # NodeJS installation, and native binaries for # Poppler , git, and the # LibreOffice open source office suite https:// simonwillison.net/2026/Sep/1/c odex-libreoffice/