Simon Willison’s Weblog

Web Applications 1.0 section on canvas. “Do not implement this in a production product. It is not ready yet! At all!” ;)

Posted 20th April 2005 at 5:29 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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