Simon Willison’s Weblog

Version 1 Sucks, But Ship It Anyway. I think I should probably get this tattooed on to my skull.

Posted 5th December 2009 at 5:36 pm

Recent articles

Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult - 24th November 2025
sqlite-utils 4.0a1 has several (minor) backwards incompatible changes - 24th November 2025
Olmo 3 is a fully open LLM - 22nd November 2025

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