Simon Willison (simonw) on Twitter. I just realised I’ve never actually linked to my Twitter account on my blog. This is mainly an experiment to see if doing so makes my follower count go up...
Recent articles
- My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025
- The surprise deprecation of GPT-4o for ChatGPT consumers - 8th August 2025
- GPT-5: Key characteristics, pricing and model card - 7th August 2025