Simon Willison’s Weblog

Why Tamarin instead of... Justification for Tamarin in Mozilla over Mono and the JVM. It mainly comes down to license compatibility and overall size.

Posted 9th August 2007 at 12:43 pm

Recent articles

My review of Claude's new Code Interpreter, released under a very confusing name - 9th September 2025
Recreating the Apollo AI adoption rate chart with GPT-5, Python and Pyodide - 9th September 2025
GPT-5 Thinking in ChatGPT (aka Research Goblin) is shockingly good at search - 6th September 2025

java 89 john-resig 32 jvm 4 mono 8 mozilla 113 open-source 265 tamarin 6

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