Simon Willison’s Weblog

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

My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025
The surprise deprecation of GPT-4o for ChatGPT consumers - 8th August 2025
GPT-5: Key characteristics, pricing and model card - 7th August 2025

bob-ippolito 5 json 143 performance 92 python 1171 simplejson 2

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