Simon Willison’s Weblog

PyCon DC 2005 Preliminary Program (via) Looks like a great lineup.

Posted 22nd January 2005 at 2:51 pm

Recent articles

Designing agentic loops - 30th September 2025
Claude Sonnet 4.5 is probably the "best coding model in the world" (at least for now) - 29th September 2025
I think "agent" may finally have a widely enough agreed upon definition to be useful jargon now - 18th September 2025

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