Codex bundles LibreOffice
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…
Opening of the original on Simon Willison
Summary
OpenAI's ChatGPT desktop app includes a full LibreOffice installation, totaling 1.7GB. The app, formerly known as Codex, also bundles Python, Node.js, and Poppler. Skills within the app's plugin system guide ChatGPT on how to access and utilize these bundled binaries, suggesting a deeper integration of local tools for enhanced functionality.
Why it matters
This discovery reveals OpenAI is embedding significant local software, including a full office suite, within its desktop application. This contrasts with cloud-centric AI models and suggests a move towards more capable, self-contained AI agents that can directly manipulate local files and applications. Competitors like Google Gemini and Anthropic Claude primarily operate in the cloud, though they are developing agentic capabilities. This local bundling could offer ChatGPT enhanced offline functionality and direct document processing, impacting how users interact with AI for productivity tasks. Future developments may focus on the scope of these local integrations and their security implications.
Related: Google: Don't wait to graduate: A student’s AI ancestry storyteller · Anthropic: Claude turns flight data into "look behind you" · Microsoft: Gemini 3.8 Flash is now available in GitHub Copilot · Meta: Nvidia launches free tool that links idle computers into a personal AI data center · xAI: Nobody Is Saying Why OpenAI and Anthropic Had Outages Today
Rated low: routine. Worth knowing, not worth rearranging your day for.
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Questions people ask
- What is bundled with the OpenAI ChatGPT desktop app?
- The app includes a full Python installation, a full Node.js installation, native binaries for Poppler, and the LibreOffice open source office suite. This amounts to 1.7GB of data.
- How does ChatGPT use LibreOffice?
- Skills within the app's plugin system tell Codex (now ChatGPT) how to find and use the bundled binaries, including LibreOffice, suggesting direct integration for document processing.
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Page generated Sep 3, 2026. Summaries are Subvolts' own; the story belongs to Simon Willison.