Simon Willison’s Weblog

24th March 2021 - Link Blog

Understanding JSON Schema (via) Useful, comprehensive short book guide to JSON Schema, which finally helped me feel like I fully understand the specification.

Posted 24th March 2021 at 2:57 am

Recent articles

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
Notes on Pope Leo XIV's encyclical on AI - 25th May 2026

This is a link post by Simon Willison, posted on 24th March 2021.

json 148 jsonschema 4

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