Simon Willison’s Weblog

The Japanese game to end all Japanese games. Fighting girls who take pictures of each other’s panties.

Posted 7th December 2005 at 9:48 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