Field notes from building with AI, infrastructure, and the work between.

What Changed After Hitting 1B tokens/month

Doubling my token cost every month at what cost

Engineering notes, experiments, and personal projects.

Using coding harnesses to avoid implementing code

Why flat-rate AI subscriptions aren't the cash incinerator they look like on paper.

Moving from vibe coding prototypes to production-ready AI engineering workflows.

In an era of yes-men, be different.

Learnings from OpenAI about the state of Codex

Gen Z adventure into dusty tapes

How cool HSMs are and why cloud based cryptographic operations are cheaper

Evolution of Generative AI in 2025

Learning to embrace the mess

Reflections on leading the development of the first Android agent, combining computer use models with virtual displays for background tasks