Simon Willison’s Weblog

Three steps to OpenID. Maybe explaining OpenID isn’t as hard as I thought... Jacob Kaplan-Moss nails it in three.

Posted 20th December 2006 at 12:44 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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