Prompt Engineering vs Context Engineering vs Harness Engineering

Artificial Intelligence has evolved far beyond simply asking ChatGPT a question and receiving an answer. As AI systems become more capable and businesses increasingly rely on them for real-world applications, new disciplines have emerged to improve how these systems perform. For a long time, Prompt Engineering was considered the key skill for working with Large Language Models (LLMs). Then came Context Engineering, which focused on providing AI with the right information. Today, a newer concept known as Harness Engineering is gaining attention among developers building production-ready AI appl…