Given the recent burst of activity around enterprise pricing and contracts, I think April 2026 was the month when both OpenAI and Anthropic found product-market fit https://simonwillison.net/2026/May/27/product-market-fit/
Who's Who of AI
Simon Willison
Open source developer building tools to help journalists, archivists, librarians and others analyze, explore and publish their data. https://datasette.io […]
[bridged from https://fedi.simonwillison.net/@simon on the fediverse by https://fed.brid.gy/ ]
What they're sharing
simonwillison.net
simonwillison.net
simonwillison.net
simonwillison.net
simonwillison.net
simonwillison.net
Articles & links
When I woke up this morning I didn't think I'd be spending a bunch of time today getting familiar with Catholic theology, but here we are. Notes on Pope Leo XIV's encyclical on AI. https://simonwillison.net/2026/May/25/encyclical-on-ai/
My notes on Gemini 3.5 Flash - 3x the price of Gemini 3 Flash but Google are planning to use it for many of their own products https://simonwillison.net/2026/May/19/gemini-35-flash/
Notes on Claude Opus 4.8, which Anthropic call "a modest but tangible improvement" - plus pelicans riding bicycles for each of the five different thinking efforts https://simonwillison.net/2026/May/28/claude-opus-4-8/
I don't have much to say about this year's Google I/O because I prefer to write about products that have shipped, not just "coming soon" announcements - but here are some notes on Gemini Spark and Antigravity https://simonwillison.net/2026/May/20/google-io/
@slowenough I had it do a NORTH VIRGINIA OPOSSUM ON AN E-SCOOTER too - it made this: https://gist.github.com/simonw/68560eddb0b268a8417f80ceb7304dc6?permalink_comment_id=6172972#gistcomment-6172972 Pales in comparison to GLM-5.1 though https://simonwillison.net/2026/Apr/7/glm-…