Simon Willison’s Weblog

Compilers. Not, it turns out, a difficult thing. Dan says they’re easy. But then he did write most of Parrot...

Posted 11th February 2004 at 6:38 am

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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