Simon Willison’s Weblog

21st April 2005 - Link Blog

The Simplest Possible Metaclass. A great illustration of one of Python’s least understood features.

Posted 21st April 2005 at 9:50 pm

Recent articles

Claude Opus 4.8: "a modest but tangible improvement" - 28th May 2026
I think Anthropic and OpenAI have found product-market fit - 27th May 2026
Notes on Pope Leo XIV's encyclical on AI - 25th May 2026

This is a link post by Simon Willison, posted on 21st April 2005.

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe