Simon Willison’s Weblog

Tidy service for the Desperate Blog Hacker (via) The easiest kind of web service: post HTML to it, get back tidied XHTML

Posted 10th December 2003 at 7:01 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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