Simon Willison’s Weblog

1901EasternTelegraph.jpg (via) A map of undersea telegraph cables as of 1901.

Posted 9th February 2009 at 8:44 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

cables 1 maps 43 undersea 1

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