Simon Willison’s Weblog

Mono 1.2.3 has been released (via) More importantly, it ships with IronPython in the form of Seo Sanghyeon’s Community Edition.

Posted 9th February 2007 at 12:55 am

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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