Simon Willison’s Weblog

Guardian Unlimited | Newsblog. The Guardian’s new blog. Interesting for the comments above anything else.

Posted 21st September 2004 at 10:24 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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