Prakhar Singh

Experiments with AI

I tend to understand a new technology by giving it a real problem. These are a few cases where I used AI to make sense of decisions I was actually facing—not demos built in search of a use.

The original tools contain personal information and keep changing as the decisions change. So this is a portfolio of what became possible, how I approached it, and what I learnt along the way. The dates are also a useful record of how my use of AI is changing.

August 2026

Wheel or Wire: Total Cost of Ownership

A car’s price is obvious. Its cost is not. I built an interactive model for comparing used versus new, petrol versus EV, finance offers, running costs, resale and the opportunity cost of taking money out of a home-loan offset account.

July 2026

Waurnvale Interiors

I knew when I liked a sofa or a rug in a shop. I had almost no idea whether they would like each other—or my house. This became a way to test colours, proportions and complete rooms before buying anything.

May 2026

Home Buying Command Center

I had to compare property types, suburbs, contracts, valuations, inspections, personal taste and finances—often all at once. I built one working system to hold the research and still help me make a decision.

October 2025

Abbotsford Sublease Landing Page

A rapid Airbnb-style listing generated with AI prompts, then tuned with real photos, pricing, and context to market our Abbotsford apartment sublease.

September 2025

How this site was built

How a coding assistant and an LLM help me build and maintain a minimal Jekyll site: small, auditable changes; simple CSS; and GitHub Pages for deployment.

September 2025

The Digital Self — An AI Autobiography

An AI‑generated autobiography from my tweet export (5,384 tweets, 2011–2025). A creative reconstruction exploring how narrative and “voice” emerge from a long public feed.

September 2025

Mercor Rubrics Bootcamp — Notes

Field notes from a data‑labeling “rubrics bootcamp”: where labeling fits in the AI value chain, limits of binary rubrics, and small evaluation experiments to try.