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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryAI in MarketingContext Engineering

AI in Marketing

Context Engineering

Designing everything an AI model sees, including instructions, examples, retrieved documents, memory, and tools, so it performs reliably; popularized in 2025.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

Context engineering is designing everything an AI model sees when performing a task, including instructions, examples, retrieved documents, memory and available tools, so it performs reliably. Popularized in 2025, the term extends prompt engineering to whole systems, recognizing that output quality depends heavily on the information supplied to the model.