Simon Willison’s Weblog

Everything Can be a Link with Mozilla's window.getSelection() Method and the W3C DOM Range API (via) Impressive is an understatement.

Posted 31st May 2004 at 3:31 am

Recent articles

GPT-5: Key characteristics, pricing and model card - 7th August 2025
OpenAI's new open weight (Apache 2) models are really good - 5th August 2025
ChatGPT agent's user-agent - 4th August 2025

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