Simon Willison’s Weblog

Early Day Motion to support Bletchley Park Museum. Time to fire up WriteToThem.com and drop your MP a friendly note of encouragement.

Posted 21st July 2009 at 1:56 pm

Recent articles

LLM 0.27, the annotated release notes: GPT-5 and improved tool calling - 11th August 2025
Qwen3-4B-Thinking: "This is art - pelicans don't ride bikes!" - 10th August 2025
My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025

bletchleypark 2 edparsons 1 politics 37

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