Simon Willison’s Weblog

www. is deprecated. I wouldn’t go as far to say avoid www—just as long as you pick one and redirect the other.

Posted 4th February 2007 at 2 pm

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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