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Simon Willison reviews Qwen 3.8 27B, highlighting it as an excellent local AI model that defaults to overthinking, but this issue is easily fixable.
Simon Willison shares a link to his interview with Cynthia Dunlop about technical blogging, and repeats his top tip: lower your standards and publish while still unhappy with your writing.
Simon Willison creates a custom 'pet' for Codex Desktop — a pelican on a bicycle — entirely via AI image generation using GPT-5.6 Sol and gpt-image-2, documenting the open-source process and sprite generation.
A blog post reports that after 6,000 attempts by over 2,000 people, no one successfully leaked secrets from an AI assistant (powered by Opus 4.6) via prompt injection, highlighting improved model resistance but cautioning against overconfidence.
A quote from Sean Lynch highlighting that the main value of the Model Context Protocol (MCP) is isolating authentication flow outside the agent's context window, potentially just an auth gateway for APIs.
Pope Leo XIV issued an encyclical on AI ethics, emphasizing human dignity and the interpretability challenge. Simon Willison highlights key passages and discusses the document's significance.
A web tool experiment demonstrating how to handle Content Security Policy errors in sandboxed iframes by intercepting fetch requests and prompting users to whitelist domains. The tool was built using GPT-5.5 via the Codex desktop app.
Simon Willison created a simple web tool called Big Words that generates presentation slides from URL query string parameters, useful for his vibe-coded macOS presentations tool.
Simon Willison discusses the need for RSS feeds to distribute rapidly developed 'vibe-coded' apps, noting that he has added Atom feed support to his personal tools page to facilitate this.
Release announcement for llm version 0.32a1, a Python CLI and library for working with Large Language Models, by Simon Willison.
LLM 0.32a0 is a major backwards-compatible refactor of the Python library and CLI tool, shifting from simple text prompts to supporting sequences of messages and multi-part responses to better handle modern LLM capabilities like structured JSON and tool use.
This article announces the release of version 0.32a0 of the 'llm' command-line tool by Simon Willison, providing a monthly briefing on LLM developments.
Simon Willison's link post highlights a dataset or project titled 'pelicans_riding_bicycles', likely used for LLM training or generative AI experimentation.