Simon Willison’s Weblog

Reuse-in-the-large is an unsolved problem: Why I left OpenACS for Rails. Fascinating insight in to the reason frameworks that do less do more.

Posted 26th June 2006 at 2:55 pm

Recent articles

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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