The Build Log

Notes from the build

Where AI engineering is actually heading — agents in production, the economics of inference, and the hardware underneath it.

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Latest posts

Chinese models are getting cheaper. Here's what that means if you're building AI search

Chinese AI models are narrowing the performance gap while staying far cheaper to run. Coinbase halved its AI spend by routing tasks to them - and that same tradeoff decides the cost of building AI search.

July 08, 2026 · 3 min read

Agentic AI Is Finally Reaching Production

AI agents have spent two years in demos. They're finally shipping into production — and the winners won't be the companies with the smartest models.

June 14, 2026 · 3 min read

The Economics of AI Are Starting to Matter

The AI race is shifting from intelligence to cost. The company that reduces the price of intelligence may create more value than the one that improves it.

June 03, 2026 · 3 min read

Pokemon Go Was Always a Data Collection Project

Pokemon Go felt like a game. But Niantic was quietly building one of the most detailed spatial maps ever assembled - and now it's powering delivery robots.

June 02, 2026 · 2 min read

Agents are at work

The era of agents is here. AI agents are reshaping how we work, code, and orchestrate tasks - and the numbers prove it.

June 01, 2026 · 2 min read

The Real AI Race Is in Silicon

The rise of AI creates a new paradigm in hardware engineering. AI models need heavy computation - and the real money isn't in models, it's in chips.

May 31, 2026 · 2 min read