Drew Breunig
AI practice & strategy
Writer on AI, data and strategy. Author of widely-cited pieces on agentic coding practice.
Recent activity
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Understanding the Dynamics of the AI Ecosystem with Pace Layers
Stewart Brand's Pace Layers framework reveals why AI's speed is straining the slower systems it depends on for support.
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The Problem is Prompt Debt
The plain-English prompt that makes prototypes effortless turns out to be a poor way to specify how a system should behave, and the bill arrives slowly, disguised as ordinary progress, until the application can barely move.
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What Do Humans Need From Docs?
When an agent can explain anything, should we keep writing docs for humans?
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The Cost of Overfitting the Harness
OpenAI winding down fine tuning is an interesting development and one to watch.
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Learnings from a No-Code Library: Keeping the Spec Driven Development Triangle in Sync
The following is a write up of a talk I delivered at MLOps Community’s “Coding Agents” conference, on March 3rd. There’s a video version of the talk available on YouTube.
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The Cathedral, the Bazaar, and the Winchester Mystery House
Welcome to the era of sprawling, idiosyncratic tooling.
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The 2nd Phase of Agentic Development
Moving from clones to reimaginings.
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How Claude Code Builds a System Prompt
Context engineering in action.
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Cybersecurity Looks Like Proof of Work Now
Is security spending more tokens than your attacker?
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10 Lessons for Agentic Coding
Guidelines for programming when code is cheap.
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