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Field notes from an AI Lead at Gravity9

AI is three layers of work.

I built Codehance to share what I am learning about using AI, working with AI, and building AI. Choose the conversation that matches where you are today.

01

You + a model

Using AI

Use AI thoughtfully in the work you already do—from asking better questions to checking what comes back.

7 field notesExplore →
02

You + an agent

Working with AI

Move from prompting to collaboration: agents, context, tools, workflows, and the judgment that holds it together.

7 field notesExplore →
03

Your product + AI

Building AI

Understand what it takes to create AI systems and product capabilities people can depend on.

1 field noteExplore →

New here?

Start with the map.

One article to understand the whole framework before choosing your path.

Essential reading · 01

The three layers of AI

My brother, who has never written a line of code, and a software engineer with years behind him asked me the same question in the same month: I want to get into AI, where exactly do I start? There are three answers, they are different jobs, and the order you take them in matters.

Read the starting note →

Latest field notes

Practical lessons from building with AI.

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Evidence cards feed a small decision component that branches into retrieval, an answering model and human review.
Working with AI·7 October 2026

Jev, OpenAI, and the Shift Towards Decision AI

I started by asking what Jev actually built. A four-subagent RAG example brought the opportunity into focus: useful decisions need useful context and software that knows what to do next.

A fragile inflated sphere above a durable layered software foundation of data, retrieval, evaluation and connected tools
Working with AI·24 September 2026

When the AI Bubble Bursts, What Will Still Be Worth Learning?

The valuations attached to frontier-model companies will not rise forever. If they correct, the useful question for engineers is not whether AI disappears, but which parts of the stack remain worth understanding.

Four delivery professionals in a meeting turning a cloud of abstract AI symbols into one clear shared workflow
Using AI·22 September 2026

AI Fatigue Is Real and Workplace Jargon Is Making It Worse

I keep hearing the same reaction around AI-heavy meetings: people leave tired, confused and unsure what was decided. The problem is not simply new terminology. It is what happens when teams discuss an AI solution before agreeing on the business problem.

There is no finish line here.

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An open notebook from an AI Lead at Gravity9 on using AI, working with AI, and building AI.

The three layers

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  • Working with AI
  • Building AI

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