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Codex voice mode builds a Django newsletter index in a local checkout

simonwillison.net 6 min read Editor score 7/10

The feature was built through voice conversation with Codex in a local development environment, where the developer could preview the site and track the new pages. It illustrates a hands-on workflow for supervising a coding agent while doing other work.

What

Simon Willison built a newsletter index almost entirely by voice using Codex voice mode in the ChatGPT desktop app.

How

Codex modified a local Django project, adding a model, migration, views, templates and import functions; a browser preview showed progress.

Why it matters

The example shows how conversational coding can drive multi-file changes while a local development setup supports visual inspection.

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