Simon Willison — Independent developer and writer documenting practical experiments, tools, and deep analysis around large language models, generative AI, web development, security, and emerging programming workflows through detailed posts and daily TILs.
170 articles from this blog
Release of micropython-wasm 0.1a2, a Python library for running a MicroPython sandbox using WebAssembly, with a new CLI.
Using MicroPython compiled to WebAssembly to run Python code in a secure sandbox for plugins.
OpenAI introduces Lockdown Mode to prevent data exfiltration from prompt injection attacks in ChatGPT.
Andreas Kling explains Ladybird browser's policy change to stop accepting public pull requests for quality and accountability.
Explores the tension between AI enthusiasts racing to adopt AI and skeptics warning about reliability and knowledge loss.
A quote from Emanuel Maiberg about Google employees sharing memes criticizing its AI, with a note on Google's statement change.
Uber caps employee AI coding tool spending at $1,500/month per tool to manage costs after overspending its 2026 AI budget.
Microsoft announces MAI-Thinking-1 and MAI-Code-1-Flash LLMs, with details on parameters, licensing, and training data.
Announcing datasette-agent-micropython 0.1a0, a MicroPython WASM sandbox for safe code execution in Datasette Agent.
Announcement of micropython-wasm 0.1a1, a Python library for running MicroPython sandboxes using WebAssembly.
A tool for creating a text editor with automatic file attachment via paste, drag-and-drop, or file selection.
Announcing micropython-wasm 0.1a0, a Python library for running MicroPython in a WebAssembly sandbox via wasmtime.
Hackers exploited Meta's AI support bot to take over high-profile Instagram accounts by simply asking it to change linked emails.
Datasette 1.0a32 bugfix release: fixes INSERT...RETURNING queries and base_url issues for the open-source data exploration tool.
Explores the paradox of AI tools boosting productivity yet causing distraction, with personal anecdotes and ADHD perspectives.
A quote from Karen Kwok explaining how Anthropic defines 'run-rate revenue' using consumption and subscription models.
Overview of Anthropic's sandbox techniques for Claude across products like Claude.ai, Claude Code, and Cowork.
A quote from Daniel Jalkut on AI, shared by Simon Willison, expressing a balanced view on the technology.
Running Python ASGI apps in the browser using Pyodide and a service worker, eliminating backend servers.
Datasette 1.0a31 alpha release adds SQL write queries and stored queries for data exploration.
