Simon Willison’s Weblog

Bumpspark Library-less Minigraphs (via) It’s that neat data:uri hack but for Ruby and without needing an external image library.

Posted 28th April 2005 at 10:19 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