Simon Willison’s Weblog

A Hack for Europe! Signups are now open for Hack Day Europe, on June 16th and 17th. You need to apply for an invitation.

Posted 18th April 2007 at 11:24 pm

Recent articles

ChatGPT agent's user-agent - 4th August 2025
The ChatGPT sharing dialog demonstrates how difficult it is to design privacy preferences - 3rd August 2025
Reverse engineering some updates to Claude - 31st July 2025

bbc 35 bbcbackstage 1 hackday 10 tom-coates 9 yahoo 107

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