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The Signal.
Writing on AI, design, engineering, and building in public. No newsletter. No paywall.
Why open-source AI is the only responsible path forward
Closed models held by a small number of corporations are a civilisational risk. The counter-argument is weaker than people think.
Building Heka: what we learned training our first frontier model
Twelve months, four training runs, three pivots. Here is what actually happened — including the parts that did not work.
Designing for AI-native users: killing the prompt box
The text input is not the future of AI interaction. Here is what we are building instead.
Six months of Flux beta: what 2,000 users taught us about AI video editing
We shipped it broken and watched carefully. The patterns that emerged changed how we think about the product entirely.
Alignment is not a values problem. It is an engineering problem.
The AI safety discourse is dominated by philosophers. The people who will actually solve it are engineers. Here is why that matters.
How a team of six ships frontier AI research
No middle management. No sprint planning. No OKRs. This is how we actually work.