Simon Willison’s Weblog

Beginning JavaScript with DOM Scripting and Ajax: From Novice to Professional. Christian’s book is out. I wrote the foreword.

Posted 31st July 2006 at 10:43 am

Recent articles

My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025
The surprise deprecation of GPT-4o for ChatGPT consumers - 8th August 2025
GPT-5: Key characteristics, pricing and model card - 7th August 2025

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