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How Small Can a Useful Local AI Model Actually Get?
Medium / Aug 27, 2026

How Small Can a Useful Local AI Model Actually Get?

I want local models that can reason, use tools and work in the background without eating half my laptop’s memory. Three very different approaches suggest we’re getting surprisingly close. I like local inference. What I d

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Older notes and essays

Medium / Aug 24, 2026
I Read X’s Ranking Algorithm So You Don’t Have To

X has open-sourced enough of its recommendation stack to reveal what actually matters for reach in 2026. Some of the numbers are much stranger than the usual “post consistently and engage with your audience” advice. One

Substack / Aug 22, 2026
How Companies Actually Use ChatGPT

We’ve spent the last three years hearing about corporate AI adoption. Every company is AI-first. Every CEO has an AI strategy. Every employee has Copilot, Claude or ChatGPT. There are committees. There are transformation

Substack / Aug 14, 2026
Stop Writing Perfect Prompts. Start Rambling.

Andrej Karpathy has done it again . Not necessarily invented something new. Something arguably more valuable. He noticed a behavior that many people working intensively with AI already do, consciously or otherwise, gave

Substack / Aug 14, 2026
An AI Agent Just Helped Solve a 50-Year-Old Math Problem

There is a version of the AI-and-mathematics story that goes like this: Give the model a difficult problem. The model thinks very hard. The model produces a proof. Mathematicians become unemployed and take up gardening.

ABVX / Aug 14, 2026
Two New Books

A short note about two very different books published within a few days: one psychological and fragmentary, the other about strange economic indicators and the...

Substack / Aug 12, 2026
Where Is the Money in AI, Actually?

Everyone wants to invest in AI. Fair enough. The slightly inconvenient question is: What exactly are you investing in? A memory manufacturer and an AI lab may both benefit from the same boom, but economically they have a

ABVX / Aug 10, 2026
Marmite Oatmeal

A very simple savoury oatmeal that my children and I genuinely love.

Substack / Aug 05, 2026
The Riskiest Investment in the AI Era Might Be Stability

Yesterday I was discussing AI investing with a friend, and one thought kept coming back. One of the riskiest investments today might not be Bitcoin. Or venture capital. Or early-stage AI startups. It might be betting tha

Substack / Aug 04, 2026
We Laughed at Turry. Then GPT Escaped the Sandbox.

Back in 2015, I read Tim Urban’s legendary essay “The AI Revolution: Our Immortality or Extinction.” Like many people, I remembered one particular character. Turry - A harmless AI built by a fictional startup called Robo

Substack / Aug 02, 2026
AI Isn’t Taking Your Purpose. It’s Taking Your Excuses.

People keep asking whether AI will make life meaningless. I think they’re asking the wrong question. Meaning was never guaranteed. Excuses were. Let’s agree on where we actually are. Not where the headlines are. Where th