Simon Willison’s Weblog

ASP.NET 2 url rewriting considered harmful in some cases. This is dumb.

Posted 5th July 2006 at 11:27 pm

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GPT-5: Key characteristics, pricing and model card - 7th August 2025
OpenAI's new open weight (Apache 2) models are really good - 5th August 2025
ChatGPT agent's user-agent - 4th August 2025

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