Simon Willison’s Weblog

tinyarchive.org. Blaine Cook’s archive of 301 and 302 redirects—needs to be automatically updated by a crawler for it to be really useful though.

Posted 13th April 2009 at 9:57 pm

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

archive 5 tinyarchive 1 tinyurls 1 urls 79

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