Skip to main content
← Back to Blog

What a Good AI Proof of Concept Looks Like

Colin Gillingham··4 min
ai-consultingai-implementationhire-ai-consultantai-strategyenterprise-ai

Most POCs prove nothing.

Not because AI can't do the thing. It almost always can, in a demo, with clean data, on a favorable metric. The model behaves. The vendor is impressive. The boardroom gets excited.

What never gets tested is whether AI will work in your environment, with your actual data, for a problem that has real operational stakes.

That's the gap most companies never close.

The wrong question

Most POCs are built around a simple question: can AI do this?

The answer is almost always yes, which isn't what you need to know.

The useful question is: what would have to be true for this to work in production? Work backwards from that. Design your POC to stress-test each assumption rather than confirm the ones that are already comfortable.

What a real test looks like

Real data, not sample data. Your production environment contains incomplete records, edge cases, and whatever strange formatting your legacy system has accumulated over fifteen years. The vendor's demo dataset doesn't. If your POC doesn't run against a representative sample of your actual data, you're testing a version of your company that doesn't exist.

The failure mode, not just the success case. Every AI system fails sometimes. What you're actually evaluating is how often it fails and what happens when it does. A POC that only shows you the hits is audition footage, not evaluation.

The human workflow around the AI output. Where does a person review, correct, or approve? I've seen technically successful POCs collapse operationally because nobody modeled the handoff between system output and human action. The accuracy metric looked fine. The actual workflow didn't work. Handoff points matter as much as model accuracy.

Define success before you start

Before running a single test: write down what good looks like.

Specifically: what accuracy threshold makes this worth deploying, what latency is acceptable, and what would make you walk away even if the accuracy numbers look fine?

Almost nobody does this. Companies flip from "the POC failed" to "the POC succeeded" just by shifting the criteria after seeing the results. Shifting criteria after you see the results isn't evaluation — it's justification. If you can't define success in advance, you're not ready to run the POC. You're ready to run a demo with extra steps.

Keep it short and scoped

A POC that takes more than six weeks is a project, not a proof of concept. Projects need resource planning and stakeholder alignment. POCs need speed and a narrow scope.

Constrain it: one workflow, one data source, one outcome.

The scoped POC that returns a clear "no" in five weeks is more valuable than the sprawling pilot that produces a deck full of promising signals after six months. I wrote about why that pattern kills more AI initiatives than bad models in Why Your AI Pilot Failed.

The honest version

A good AI proof of concept is a structured argument for or against building, not a demonstration designed to justify a decision that's already been made.

Treat it as a genuine test, one where "no" is a valid outcome.

The companies getting real results from AI aren't running better POCs. They're running ones that could actually fail.

Colin Gillingham

Need a Fractional Head of AI?

I help companies build an AI operating system — shared context across teams, AI handling the repetitive work, and your people focused on what actually matters.

15+

Years in Tech

12+

AI Products Shipped

3

Fortune 500 Brands