---
title: "Context vs. Memory Engineering in Agentic AI Systems"
date: 2026-07-02
source: https://machinelearningmastery.com/context-vs-memory-engineering-in-agentic-ai-systems/
description: "Compression on Arrival Tool outputs should be compressed after a call returns, not after the window fills."
---

# Context vs. Memory Engineering in Agentic AI Systems

Compression on Arrival Tool outputs should be compressed after a call returns, not after the window fills.

*Published: 2026-07-02*
