Simon Willison’s Weblog

1st October 2008 - Link Blog

simplejson 2.0.1. Python’s simplejson JSON library got a whole lot faster while I wasn’t looking.

Posted 1st October 2008 at 10:55 pm

Recent articles

Running Python code in a sandbox with MicroPython and WASM - 6th June 2026
Claude Opus 4.8: "a modest but tangible improvement" - 28th May 2026
I think Anthropic and OpenAI have found product-market fit - 27th May 2026

This is a link post by Simon Willison, posted on 1st October 2008.

bob-ippolito 5 json 148 performance 95 python 1,257 simplejson 2

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