Pi 1.0
Today we are proudly shipping Pi 1.0: a hardened, minimal, extensible agent harness that you can make your own. Hundreds of thousands of people around the world use Pi every week. Many of you submit issues and pull requests. Over the course of many months, we have used that feedback to improve, harden and evolve […]
Big Tech’s Capex Is Half of Wall Street’s Profit Growth
The English draft accurately matches the Korean source with correct numbers, headings, footnotes, and links. No Hangul remains. No corrections needed. A Number You Should See Before the $1.2 Trillion On September 25th, Goldman Sachs put out a forecast for how much America’s five hyperscalers1 will spend on capital expenditures2 next year: $1.2 trillion. That’s […]
Bez: Generating a browser engine from specs and tests
Generate a web rendering engine from specs and tests. Why# Building a web engine by hand costs hundreds of engineers and many years, so only a few companies can have one, and only they decide how the web works. Bez generates the engine instead: from the specifications, with the three shipping browsers (checked against each […]
Show HN: Vote on which of Hacker News’ challenges for AI have been met
Goalposts Hacker News has set AI a lot of challenges over the years. Which ones has it met? VoteResults This page needs JavaScript. That was the last comment. See the results. Loading comments… Has this happened? Yes Not sure No
Git 3.0’s upcoming SHA-256 default will be a costly mistake
Where to begin? I’ve been sitting on this for a few years, mostly because there are smarter people who have been concentrating on this and I don’t love being a back seat driver. However, I think that the Git 3.0 release is about to cost everyone a lot of time and angst for little benefit, […]
Clef: our open-source decision models
Over the last few weeks, there has been lots of buzz around decision models such as Typesafe AI’s Jev System One model. While classifier models have been around for some time, Jev introduces a new decision model concept into the world of AI — a model that produces bounded structured outputs cheaply, quickly and consistently […]
RIP, vector database
September 30, 2026•Dan Harrison (Engineer) We are changing turbopuffer’s storage architecture. The new engine, informally called “turbopuffer v3”, changes how documents and indexes are laid out, written, compacted, and queried in turbopuffer. It will allow us to serve many more query plans, at much greater scale. turbopuffer launched as a serverless vector database, highly specialized […]
OpenID Foundation: Identity Management for Agentic AI [pdf]
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Various Projects Find Hidden SDR Capabilities in ESP32 Microcontrollers
Back in 2025, we posted about ESPARGOS, a phased array of many patch antennas, each connected to an ESP32 WiFi microcontroller. ESPARGOS could be used to determine the direction of arrival for WiFi signals and create a live augmented reality heatmap. Recently, the ESPARGOS team has made an exciting discovery. They found that several ESP32 […]
Ask HN: Who is hiring? (October 2026)
applyapply | REMOTE (US) or Austin, TX | Full-time | https://applyapply.xyz I’m building applyapply — it runs a serious job search overnight: matching roles, tailored resumes, cover notes, and answers so applications take minutes instead of hours. Live product. https://applyapply.xyz Hiring two founding roles: 1) Founding Engineer — $140–170k + meaningful founding equity Own the […]