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Luke Fryer
Luke Fryer

Posted on • Originally published at aipromptarchitect.co.uk

What Is Prompt Engineering? A Complete Guide for 2026

Quick Answer

Prompt engineering is the practice of designing and optimising inputs for AI language models to get consistent, high-quality outputs. It involves structuring your instructions using frameworks like STCO (System, Task, Context, Output) to reduce hallucinations and improve reliability.


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