Simon Willison’s Weblog

Early Day Motion to support Bletchley Park Museum. Time to fire up WriteToThem.com and drop your MP a friendly note of encouragement.

Posted 21st July 2009 at 1:56 pm

Recent articles

The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025
LLM 0.27, the annotated release notes: GPT-5 and improved tool calling - 11th August 2025

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