Simon Willison’s Weblog

29th March 2021 - Link Blog

Hello, HPy (via) HPy provides a new way to write C extensions for Python in a way that is compatible with multiple Python implementations at once, including PyPy.

Posted 29th March 2021 at 2:40 pm

Recent articles

The Pelican comparison grid for Astra is pretty interesting - 4th September 2026
OpenAI's rogue agents were caught communicating via public wikis - 4th September 2026
Claude's new system prompt really doesn't want to reproduce song lyrics - 2nd September 2026

This is a link post by Simon Willison, posted on 29th March 2021.

pypy 9 python 1,280

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