Engineering · business strategy · AI workflows
Stanley Yang
I build useful software at the intersection of engineering and business: AI tools, product systems, and operating loops that turn messy ideas into shipped outcomes.
I am strongest when the work needs both technical depth and commercial judgment, from clarifying the problem to designing the system and getting it in front of users.
Stanley's AI Systems Lab
Practical AI tutorials for builders and founders
Learn how to design AI agents, founder operating systems, product engineering workflows, automations, and content systems that hold up outside a demo.
Current work
A focused mix of product engineering, AI tooling, and business systems from the things I am building.
Product engineering
Business-critical software
Turning ambiguous customer and operational needs into dependable full-stack systems.
AI tooling
yardstiq
An open-source CLI for comparing LLMs side-by-side with real prompts, latency, and judge scoring.
Business systems
Strategy to shipped product
Connecting growth, operations, and customer context to engineering decisions that move the business.
Selected writing
Recent essays on growth, software, AI, and operating with focus.
Latest essay · Jul 2, 2026
What AI Agents Actually Are
A practical framework for understanding AI agents, deciding when to use them, and designing workflows that do useful work without pretending the model is magic.
AI Agents vs. Automations vs. Chatbots: What to Build When
A decision guide for choosing between chatbots, automations, and AI agents so you can ship the simplest system that reliably does the job.
The Practical AI Stack for Founders
A lean AI operating stack founders can use to improve research, sales, support, product feedback, content, and weekly decision-making without building a fragile pile of tools.
How to Compare LLMs Side-by-Side From Your Terminal
I built yardstiq, an open-source CLI tool that sends one prompt to multiple AI models simultaneously and streams responses side-by-side. Here's what I learned comparing 10 LLMs across coding, creative writing, and reasoning tasks.
How I Went From 0 to 142,263 Users in 12 Months
In 2020, I drove 142,263 visits to my website. Here is how you can too.
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