Simon Willison

October sponsors-only newsletter

Simon Willison released the October edition of his sponsors‑only monthly newsletter, which covers topics such as the October inflection point for vibe game development, the vulnerability apocalypse, new LLM releases, API credits for paid subscriptions, his current tools, software releases, and a preview of his September newsletter. Sponsors (or those who start a sponsorship) can access the content for $10/month, which provides early access ahead of the free version.

Simon Willison
Sep 4

August newsletter is out

Simon Willison announces that the August edition of his sponsors‑only monthly newsletter is now available. The issue covers topics such as OpenAI’s accidental cyberattacks, new game releases, Claude auto mode, ChatGPT work model updates, and miscellaneous projects and tools he’s using. A preview of the July newsletter is also provided, and sponsors can access the full content for $10 per month.

Simon Willison
Oct 3

September sponsors-only newsletter

Simon Willison has released the September edition of his sponsors‑only monthly newsletter. The issue covers new Fable class models, a pricing war, 3D graphics with Blender and pixel art, LLMs applied to mathematics, accidental cyberattacks, the vulnapocalypse affecting Datasette, his current tools, and software releases for 2026. Sponsors can access the full newsletter for $10/month, with an August preview available for free.

Simon Willison
Oct 29

API credits benefit for eligible ChatGPT subscriptions

Anthropic and OpenAI have introduced matching API credit benefits for their premium ChatGPT subscription plans. Subscribers paying $100, $200, or $500 per month receive an equivalent amount of expiring credits that can be applied to their respective APIs. The author, who holds subscriptions with both services, notes this allows for immediate use in public-facing demos without additional cost.

Simon Willison
Sep 29

OpenAI DevDay 2026 live blog

Simon Willison is live‑blogging the OpenAI DevDay event in Fort Mason, San Francisco, covering the keynote and other highlights. He received a free ticket and a seat in the "creator" area for the keynote. The blog will include notes from the day’s sessions.

Simon Willison
Oct 28

The October inflection point for vibe game development

Simon Willison discusses a new inflection point in October 2026 for creating video games using AI, noting that Claude Opus 5.5 now reliably produces compelling 3D models, music, and especially game design. He reports having successfully "vibe coded" four enjoyable games without inspecting the code, and highlights that the real challenge is now generating novel, delightful concepts that AI alone could not conceive. The author compares Opus 5.5’s fun factor to GPT‑6 Astra, which he finds lacking in that regard.

Towards Data Science
Sep 24

How to Maximize Your Coding Agent Subscriptions

The article titled "How to Maximize Your Coding Agent Subscriptions" discusses ways to get more out of your coding agent subscriptions. It was published on Towards Data Science and focuses on optimizing the use of these tools. The post offers practical tips and strategies for users to enhance their experience with coding agents.

By Eivind Kjosbakken
Simon Willison
3d ago

llm 0.37.1

Release: llm 0.37.1 A bugfix release for LLM, with contributions from Steven Huang, Tao An, Arjan Mossel, and XQ. Tags: llm

Simon Willison
Aug 10

Quoting OpenClaw (running Opus 4.6)

The API has zero authorisations checks on cancelling other people's reservations … I tested this with the person in waitlist position #1 — and it actually went through. So you've moved from #4 to #3 already.

Simon Willison
Sep 29

GPT 6.1 Sol: Near-Astra intelligence for a fifth of the price

Simon Willison comments on GPT 6.1‑Sol, describing it as "Near‑Astra intelligence for a fifth of the price." He notes that the model’s pelican illustrations are similar to those of the GPT‑6 family and provides links to the live‑blog of the keynote and to the pelican images. The post is tagged with AI, OpenAI, generative‑AI, LLMs, and playful references to pelican‑riding‑a‑bicycle.

Simon Willison
Oct 26

Quoting Jason Koebler

The article discusses how users of major tech platforms, frustrated by the lack of human customer support, are increasingly turning to ChatGPT for help with everyday tech issues. ChatGPT is reportedly suggesting that these users have uncovered a noteworthy story and that 404 Media can assist them. The piece highlights the growing role of AI in both troubleshooting and journalism.

Towards Data Science
3d ago

Your Agent Works in the Demo. Now Make It Survive Monday.

The article titled "Your Agent Works in the Demo. Now Make It Survive Monday" discusses the transition from a simple demonstration to a more robust, real‑world application. It highlights the challenges of ensuring an agent remains functional beyond a controlled demo environment. The piece appears on Towards Data Science.

By Gursimar Singh