AI.
On the technology rearranging the floor under everyone. What it does, what it cannot, and what it costs to use it well.
Essays, by post
Essays, by post.
A small, irregular publication. Sent when the essay is finished and not before.
Subscribe Issue 14 · May 2026 Subscribe
AI.
On the technology rearranging the floor under everyone. What it does, what it cannot, and what it costs to use it well.
11 essays
ai · The lead
AI Cost Per Token: Why GPU Hour Is the Wrong Bill
AI bills come in confusing units. The fix is to budget for the product the business sells: tokens. Cost per token is the only metric that compares two quotes.
ai
AI Chip Performance: Why Blackwell Delivers 50x, Not 2x
AI hardware delivers 50x more tokens per watt while spec sheets show 2x. The 25x gap lives in extreme co-design across seven layers, not in any single chip.
ai
AI Productivity: Five Percent of Your Job, Leveraged 20x
ai
Code Is No Longer a Moat. The New AI Moats Are Elsewhere.
ai
How AI Chips Work: The Pause Is Where the Work Lives
ai
AI Orchestration: The Blind Spot Is Not the Model
ai
AI Is Not a Faster Chip. It Is a Reinvention of Computing.
From the notebook
"The AI-native company replaces middle-management coordination with recursive loops. Here is the five-layer shape, and what survives inside it."