# Simon Willison’s Newsletter

> AI, LLMs, web engineering, open source, data science, Datasette, SQLite, Python and more.

- **Platform:** substack
- **Category:** AI
- **Subscribers:** 72K
- **Weekly growth:** +0.7%
- **Monthly growth:** +3.7%
- **Last updated:** 2026-10-14
- **URL:** https://simonw.substack.com
- **Profile:** https://newsletterinsights.io/newsletter/simonw

## Recent Posts

- [Datasette Apps: Host custom HTML applications inside Datasette](https://simonw.substack.com/p/datasette-apps-host-custom-html-applications)
- [Can coding agents relicense open source through a “clean room” implementation of code?](https://simonw.substack.com/p/can-coding-agents-relicense-open)
- [FastRender: a browser built by thousands of parallel agents](https://simonw.substack.com/p/fastrender-a-browser-built-by-thousands)
- [Vibe coding and agentic engineering are getting closer than I’d like](https://simonw.substack.com/p/vibe-coding-and-agentic-engineering)
- [Qwen 3.8 27B is excellent, but it defaults to wildly overthinking things](https://simonw.substack.com/p/qwen-38-27b-is-excellent-but-it-defaults)
- [Jev introduces a new shape of LLM - System One, aka Decision Models](https://simonw.substack.com/p/jev-introduces-a-new-shape-of-llm)
- [Now we have a timeline of the OpenAI accidental attack against Hugging Face](https://simonw.substack.com/p/now-we-have-a-timeline-of-the-openai)
- [Two new Showboat tools: Chartroom and datasette-showboat](https://simonw.substack.com/p/two-new-showboat-tools-chartroom)
- [Designing agentic loops](https://simonw.substack.com/p/designing-agentic-loops)
- [Highlights from my conversation about agentic engineering on Lenny’s Podcast](https://simonw.substack.com/p/highlights-from-my-conversation-about)

## Sponsors

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