Simon Willison’s Weblog

4th June 2026

Sighting 11:31 AM — Black Phoebe, in San Mateo County, CA, US

Black Phoebe

Posted 4th June 2026 at 6:31 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 4th June 2026.

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