Simon Willison built a Newsletters page for his blog almost entirely by voice, using ChatGPT's Codex voice mode with GPT-6 Astra High against a local Django environment. The feature indexes his free weekly Substack newsletters and monthly sponsors-only updates, with imports from RSS, Substack's API, and GitHub repositories. He finished via typed review, swapping a Git subprocess for an API-based import, and says voice mode suits multitasking more than daily use.
No score is assigned. Sources and their independence are shown in the citation chain below.