Simon Willison’s Weblog

XML and JSON. James Clark on JSON’s strengths and weaknesses compared to XML.

Posted 9th April 2007 at 8:57 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

james-clark 2 json 142 xml 61