
Why most companies will buy AI coding tools and get underwhelming results, and what the few who succeed will have done differently.
Executive Summary
“Spotify says its best developers haven’t written a line of code since December, thanks to AI” — Sarah Perez, TechCrunch
When executives see results like Spotify’s, they ask what tool are they using. That is the wrong question.
AI is leverage. It does not create strong systems. It amplifies them. Good systems get better. Bad systems get worse.
Spotify is winning because of what it built before the tools arrived. Mature engineering processes, robust testing pipelines, a modern technology stack, clean and well understood codebases, and senior engineers with enough breathing room to direct AI output rather than fight fires. The tools are the accelerant, not the foundation.
In a strong engineering organization, AI increases throughput and creativity. In a weak one, it increases technical debt, error rates, security risk, and rework.
Most companies will not fail to adopt AI. They will fail to prepare for what AI amplifies.
Frameworks
Most companies are unprepared and overwhelmed by the rate of change so they are either freezing headcount increases or rapidly accelerating AI usage in engineering, both of which are likely setups for underperformance.
The best teams treat AI as part of the system, not a shortcut within it. They integrate it across the development lifecycle so that testing, validation, and deployment keep pace with generation. Speed is introduced alongside control, not ahead of it.

They focus on outcomes, not activity. More code, more pull requests, and faster cycles can give the impression of progress while quality declines and rework increases. The strongest teams measure what actually improves the system and expand AI usage only where the gains are real.
And they simplify. As systems grow in size and complexity, performance degrades. The teams that get the most from AI reduce that complexity, standardize how work is done, and make their systems easier to reason about.
Over time, this creates separation. Some teams move faster but accumulate fragility. Others build systems that get stronger as they scale. That difference compounds.

Source: Yegor Denisov-Blanch, Software Engineering Productivity Research Group, Stanford University
AI Evaluation and Management System
The objective is not to maximize AI activity. The objective is to improve engineering throughput, consistency, and quality in a measurable way.
Sequence of Actions
Step 1: Instrument the workflow
Build the tooling and dashboard required to track the six KPIs consistently across teams.
Step 2: Build the AI capability
Assess current AI readiness by role and team, define what strong AI-enabled execution looks like, and create a path to proficiency through training, workflow design, coaching, and accountability.
Step 3: Establish the baseline
Measure current performance by team, workflow type, and development stage to identify where process gaps, skill gaps, or both are limiting results.
Step 4: Standardize the winning workflows
Codify the AI-enabled workflows that are producing better speed and quality outcomes, and scale those practices across teams.
Step 5: Expand with control
Increase AI adoption only in areas where gains are repeatable and where QA, review, and release processes can absorb higher throughput.
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