September sponsors-only newsletter

AI introduction

Simon Willison sent his September sponsors-only monthly newsletter, readable immediately by sponsors only, covering frontier models, price wars, LLMs moving into math, a misconfigured-network incident, and a Datasette vulnerability saga. A free version will be published later; paying $10/month grants access a month early.

Article · English

3rd October 2026

I just sent the September edition of my sponsors-only monthly newsletter. If you are a sponsor (or start a sponsorship now) you can access it here.

This month:

More Fable class models
A pricing war
3D graphics, Blender, and pixel art
LLMs come for mathematics
So many more accidental cyberattacks
The vulnapocalypse comes for Datasette
What I'm using right now
My software releases this month
2026 in LLMs (so far)

Here's a copy of the August newsletter as a preview of what you'll get. Pay $10/month to stay a month ahead of the free copy!

Source: Simon Willison · simonwillison.net