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How I Evaluate AI Features Before Writing Code

A practical checklist for separating useful AI features from impressive but fragile demos.

2026-05-13 · 5 min read

AI EngineeringProduct ThinkingEvaluation
How I Evaluate AI Features Before Writing Code cover

Start with the decision

A useful AI feature must improve a decision, reduce manual effort, or unlock a workflow that was not possible before. If the feature only adds novelty, I treat it as a demo until it proves business or user value.

Define failure before implementation

Before choosing a model, I define what bad output looks like, who will be affected, and how the interface should recover. This keeps the product from hiding uncertainty behind a polished UI.

Measure the workflow, not only the model

Accuracy matters, but product usefulness also depends on latency, clarity, trust, cost, and handoff. The best AI systems make uncertainty visible and give users a confident next step.