Simon Willison’s Weblog

Believing AI vendors who promise you that they won't train on your data is a huge competitive advantage these days.

Posted 14th April 2025 at 4:30 pm

Recent articles

V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
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

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