A new feature for my, blog built using my voice
Simon Willison shipped a blog Newsletters index built almost entirely by voice using ChatGPT Codex.
Simon Willison published a Newsletters page that indexes his free weekly Substack and monthly sponsor-only updates. He says he built the feature almost entirely by voice while cooking, using the ChatGPT desktop app's Codex voice mode against a local blog checkout. The session began by asking the agent to start the dev server and open a browser preview.
- New page indexes his free weekly and sponsor-only newsletters.
- Built mainly by voice in ChatGPT Codex while cooking.
- Session ran against a local checkout of the blog.
I shipped a new feature for my blog today: the Newsletters page, which offers an index of all of the newsletters I've sent out, both my free weekly Substack and my monthly sponsors-only updates. I built the feature almost entirely using my voice, chatting away to my laptop while I cooked dinner. Codex voice mode I used the ChatGPT desktop app for this, in the Codex tab, using the voice conversation mode, running against a local development environment. Here's what that looks like: I started the session against my local simonwillisonblog checkout by typing: Start dev server and open in browser This gave me a preview of the site that it would be working on, and meant that I could later ask it…
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