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ProductFeb 12, 20267 min read

When to Build vs. Buy: The AI Decision Framework We Use Every Engagement

A practical framework for deciding where custom AI is worth the investment and where existing tools win.

Build versus buy framework visual

A practical framework for deciding where custom AI is worth the investment and where existing tools win.

The strongest AI projects are rarely the flashiest. They start with one painful workflow, a clear owner, and a tight definition of what better looks like in the business.

What this means operationally

Before writing code, map the current process end to end. Find where people wait, copy, chase, reconcile, rewrite, or approve the same information twice. That is usually where an AI system can create measurable leverage.

  • Keep the first version focused on one outcome.
  • Use real workflow data instead of sanitized demo examples.
  • Ship to the people who will use it, then improve it with them.

The shipping discipline

For product work, speed comes from constraint. The fewer open questions a system has to solve on day one, the faster it can become reliable enough for real operations.

That is the difference between an experiment and a business system: an experiment proves what is possible; a business system earns trust by running the same way every week.

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