Writing

Explainers and How I work

Writeups on AI, products, and building things that ship

Why FamPay Stopped Being a Teen App, an Explainer

A money-lens explainer on why FamPay moved beyond teens and why the new payments fight is so hard to win.

AI Evals (Part A): Evaluating LLM Correctness

A simple guide to separating hallucination, unfaithfulness, and calibration failures when evaluating LLM correctness.

How AI Products Have Evolved: A Three Layer Perspective

A brief dive into the three-layered evolution of modern AI products. Each change roughly mapps to one layer: the model at the core, the harness around it, or the product you touch.

Evolution of GPT in Brief

How OpenAI's models developed, from GPT-3 to today's AI agents, and the specific problem each new model set out to fix.