Skip to content
tensor
up
Posts
Code
Playbook
About
Subscribe →
Posts
Code
Playbook
About
Subscribe →
Topic · 1 post
AI engineering
RAG, evals, serving and cost in production.
Topic
All
Models & research
Agents
AI engineering
Tools & products
Teardowns
24 Oct 2026
A Prompt Is a Layered Program: Mapping Prompt Engineering Techniques to the Layer They Change
Every prompting technique edits one layer of the request, and every model or provider switch breaks the layers whose delivery differs
AI engineering
10 min