The Four Layers of AI Engineering: From Prompts to Loops
This story is from 2026-09-21. It is preserved in the archive; the latest stories are on the live feed.
"Prompt engineering" has been a buzzword for a few years now. But if you look at what actually happens in practice, the prompt is only the innermost piece of the picture. I find it useful to think of AI engineering as four layers: prompt, context, harness, and loop. You start with the prompt at the…
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- 2026-09-21 14:12 · DEV Community — AI
The Four Layers of AI Engineering: From Prompts to Loops