Simon Willison’s Weblog

28th May 2026

Sighting 11:17 AM — Brewer's Blackbird, in Monterey Bay National Marine Sanctuary, CA, US, CA

Brewer's Blackbird

Posted 28th May 2026 at 6:17 pm

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 beat by Simon Willison, posted on 28th May 2026.

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