Simon Willison’s Weblog

Twenty questions about the GPL. Jacob kicks off a fascinating discussion about GPLv3.

Posted 13th July 2009 at 11:59 pm

Recent articles

GPT-4.1: Three new million token input models from OpenAI, including their cheapest model yet - 14th April 2025
CaMeL offers a promising new direction for mitigating prompt injection attacks - 11th April 2025
Model Context Protocol has prompt injection security problems - 9th April 2025

gpl 4 gpl3 1 jacob-kaplan-moss 53 open-source 245 licenses 7