AI Ends Build‑vs‑Buy Debate, Focus Shifts to Real Business Impact
Why does the old build‑vs‑buy argument matter now? For years, tech leaders measured AI projects against glossy vendor decks and analyst hype, treating the decision as a binary choice. While the promise of off‑the‑shelf models looked tempting, the reality often fell short of expectations.
Here’s the thing: many enterprises discovered that the real test isn’t whether a solution is built in‑house or bought from a third party, but whether it actually shifts key performance metrics. Companies that stopped chasing feature checklists and started mapping AI to concrete revenue drivers began to see a clearer picture of value—and of wasted effort. The shift has forced teams to sift through a flood of options, identify which use cases truly merit investment, and discard the rest as background noise.
That disciplined approach set the stage for the insight that follows, a candid assessment of what finally moved the needle in a business‑focused AI strategy.
Not what vendor decks told us we needed or what analyst reports said we should want, but what actually moved the needle in our business. We figured out which problems were worth solving, which ones weren't, where AI created real leverage and where it was just noise. And only then, once we had that hard-earned clarity, did we start buying.
By that point, we knew exactly what we were looking for and could tell the difference between substance and marketing in about five minutes. We asked questions that made vendors nervous because we'd already built some rudimentary version of what they were selling.
Is the build‑vs‑buy debate truly over? The article suggests AI tools like Cursor can produce a functional prototype in a few hours, eclipsing traditional vendor timelines and budgets. Finance teams now have the ability to validate a solution on the spot, turning a multi‑week procurement process into a brief internal experiment.
Yet the piece also warns that not every AI‑generated model delivers value; the authors stress the need to separate “real leverage” from “noise.” Without clear metrics, it remains uncertain whether rapid internal builds will consistently outperform vetted third‑party offerings. The narrative underscores a shift toward measuring impact directly—what moves the needle in the business—rather than relying on vendor decks or analyst recommendations. Still, questions linger about scalability, maintenance, and long‑term governance of these home‑grown systems.
As organizations grapple with these trade‑offs, the emphasis appears to be on pragmatic testing before committing resources, a practice that may redefine procurement priorities, but its broader implications are still unclear.
Further Reading
- The Great AI Flip: Why 76% of Enterprises Stopped Building AI In‑House - Beam.ai (citing Menlo Ventures research)
- Build vs Buy AI: Which Choice Saves You Money in 2025? - Netguru
- Build vs. Buy in the Age of AI: The Data‑Driven Case for Strategic Purchasing - Walnut
- The Great AI Debate: Buy vs. Build (Point vs. Platform in GBS) - Shared Services & Outsourcing Network (SSON)
Common Questions Answered
How does the article describe the shift from the traditional build‑vs‑buy debate to focusing on key performance metrics?
The article argues that enterprises are moving beyond the binary build‑vs‑buy decision and instead evaluating AI solutions based on whether they actually move key performance metrics. Companies now prioritize real business impact over vendor hype, distinguishing between genuine leverage and mere noise.
What role does the AI tool Cursor play in changing procurement timelines according to the article?
Cursor is highlighted as an AI tool capable of producing a functional prototype within a few hours, dramatically shortening traditional vendor timelines. This rapid prototyping enables finance teams to validate solutions on the spot, turning a multi‑week procurement process into a brief internal experiment.
Why does the article emphasize separating “real leverage” from “noise” when evaluating AI‑generated models?
The authors warn that not every AI‑generated model delivers value, so distinguishing real leverage from noise is essential to avoid wasted resources. Clear metrics are necessary to identify problems worth solving and ensure AI initiatives truly shift business outcomes.
According to the article, how have vendor decks and analyst reports impacted early AI project decisions?
Early AI projects often relied on glossy vendor decks and analyst hype, treating the decision as a binary choice between building in‑house or buying off‑the‑shelf. The article notes that this approach frequently fell short of expectations, prompting a move toward data‑driven validation of AI solutions.