Writing about Agentic Engineering Patterns
I’ve started a new project to collect and document Agentic Engineering Patterns—coding practices and patterns to help get the…
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Running Pydantic’s Monty Rust sandboxed Python subset in WebAssembly
There’s a jargon-filled headline for you! Everyone’s building sandboxes for running untrusted code right now, and Pydantic’s…
Vibe coding SwiftUI apps is a lot of fun
I have a new laptop—a 128GB M5 MacBook Pro, which early impressions show to be very capable for running good local LLMs. I got…
LLM 0.32a0 is a major backwards-compatible refactor
I just released LLM 0.32a0, an alpha release of my LLM Python library and CLI tool for accessing LLMs, with some consequential…
Mr. Chatterbox is a (weak) Victorian-era ethically trained model you can run on…
Trip Venturella released Mr. Chatterbox, a language model trained entirely on out-of-copyright text from the British Library.…
Experimenting with Starlette 1.0 with Claude skills
Starlette 1.0 is out! This is a really big deal. I think Starlette may be the Python framework with the most usage compared to…
Join us at PyCon US 2026 in Long Beach—we have new AI and security tracks this…
This year’s PyCon US is coming up next month from May 13th to May 19th, with the core conference talks from Friday 15th to Sunday…
The evolution of OpenAI’s mission statement
As a USA 501(c)(3) the OpenAI non-profit has to file a tax return each year with the IRS. One of the required fields on that tax…
Two new Showboat tools: Chartroom and datasette-showboat
I introduced Showboat a week ago—my CLI tool that helps coding agents create Markdown documents that demonstrate the code that…
Adding dynamic features to an aggressively cached website
My blog uses aggressive caching: it sits behind Cloudflare with a 15 minute cache header, which guarantees it can survive even…
My fireside chat about agentic engineering at the Pragmatic Summit
I was a speaker last month at the Pragmatic Summit in San Francisco, where I participated in a fireside chat session about…
DeepSeek V4—almost on the frontier, a fraction of the price
Chinese AI lab DeepSeek’s last model release was V3.2 (and V3.2 Speciale) last December. They just dropped the first of their…
Adding TILs, releases, museums, tools and research to my blog
I’ve been wanting to add indications of my various other online activities to my blog for a while now. I just turned on a new…
Is Claude Code going to cost $100/month? Probably not—it’s all very confusing
Anthropic today quietly (as in silently, no announcement anywhere at all) updated their claude.com/pricing page (but not their…
Extract PDF text in your browser with LiteParse for the web
LlamaIndex have a most excellent open source project called LiteParse, which provides a Node.js CLI tool for extracting text from…
Anthropic’s Project Glasswing—restricting Claude Mythos to security…
Anthropic didn’t release their latest model, Claude Mythos (system card PDF), today. They have instead made it available to a…
Using Claude Code: The Unreasonable Effectiveness of HTML
Thought-provoking piece by Thariq Shihipar (on the Claude Code team at Anthropic) advocating for HTML over Markdown as an output…
Highlights from my conversation about agentic engineering on Lenny’s Podcast
I was a guest on Lenny Rachitsky’s podcast, in a new episode titled An AI state of the union: We’ve passed the inflection point,…
GPT-5.4 mini and GPT-5.4 nano, which can describe 76,000 photos for $52
OpenAI today: Introducing GPT‑5.4 mini and nano. These models join GPT-5.4 which was released two weeks ago. OpenAI’s…
Distributing Go binaries like sqlite-scanner through PyPI using go-to-wheel
I’ve been exploring Go for building small, fast and self-contained binary applications recently. I’m enjoying how there’s…
Introducing Showboat and Rodney, so agents can demo what they’ve built
A key challenge working with coding agents is having them both test what they’ve built and demonstrate that software to you,…
ChatGPT Containers can now run bash, pip/npm install packages, and download…
One of my favourite features of ChatGPT is its ability to write and execute code in a container. This feature launched as ChatGPT…