The ChatGPT/Codex app bundles a full copy of LibreOffice
simonwillison.net
September 1, 2026
1 min read
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Summary
1st September 2026 I was poking around in my ~/.cache/ folder using OmniDiskSweeper when I spotted something interesting. 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 Node.js installation, and native binaries for Poppler, git, and the LibreOffice open source office ...