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TutorialsSimon Willison·· 8 days ago

Simon Willison builds a Newsletters page for his blog using Codex voice mode

A new feature for my blog, built using my voice

Who
openai
When

What happened

Simon Willison used the voice conversation mode in the Codex tab of the ChatGPT desktop app to develop a Newsletters page for his blog almost entirely by voice during a half hour spent cooking, with GPT-6 Astra High as the underlying model.

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The same kind of briefing as the one above: a few stories worth reading. Free. Mail starts after you confirm, and every letter has a one-click unsubscribe. Read a past issue · 2026-10-17