Simon Willison’s Weblog

OSCON 2005 Keynote - Identity 2.0 (via) Great presentation, great presentation style.

Posted 16th November 2005 at 11:22 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

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