Simon Willison’s Weblog

13th July 2024

TIL Trying out free-threaded Python on macOS — Inspired by [py-free-threading.github.io](https://py-free-threading.github.io/) I decided to try out a beta of Python 3.13 with the new free-threaded mode enabled, which removes the GIL.

None

Posted 13th July 2024 at 12:13 am

Recent articles

Anthropic's Project Glasswing - restricting Claude Mythos to security researchers - sounds necessary to me - 7th April 2026
The Axios supply chain attack used individually targeted social engineering - 3rd April 2026
Highlights from my conversation about agentic engineering on Lenny's Podcast - 2nd April 2026

This is a beat by Simon Willison, posted on 13th July 2024.

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