Simon Willison’s Weblog

Mozilla Firefox Start Page. Firefox 1.0 is out. The default home page is hosted by Google.

Posted 9th November 2004 at 11:29 am

Recent articles

I ported JustHTML from Python to JavaScript with Codex CLI and GPT-5.2 in 4.5 hours - 15th December 2025
JustHTML is a fascinating example of vibe engineering in action - 14th December 2025
OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025

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