Simon Willison’s Weblog

Google at it again. Ian’s rant perfectly reflects my own feelings on the matter. Don’t break existing apps.

Posted 25th October 2005 at 8:53 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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