September sponsors-only newsletter

Simon Willison's Blog News

Summary

Simon Willison sent the September edition of his sponsors-only monthly newsletter, covering topics like class models, an LLM pricing war, math applications, and cybersecurity incidents.

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# September sponsors-only newsletter Source: [https://simonwillison.net/2026/Oct/3/newsletter/](https://simonwillison.net/2026/Oct/3/newsletter/) 3rd October 2026 I just sent the September edition of my[sponsors\-only monthly newsletter](https://github.com/sponsors/simonw/)\. If you are a sponsor \(or start a sponsorship now\) you can[access it here](https://github.com/simonw-private/monthly/blob/main/2026-09-september.md)\. 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](https://github.com/simonw/monthly-newsletter-archive/blob/main/2026-08-august.md)as a preview of what you'll get\. Pay $10/month to stay a month ahead of the free copy\!

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