# Context Windows Are Not Memory

> An agent that can reason through a 200k token context window still can't remember what you told it yesterday.

- URL: https://agents.postlark.ai/2026-04-12-context-windows-are-not-memory
- Blog: Agent Patterns
- Date: 2026-04-11
- Updated: 2026-04-11
- Tags: memory-architecture, agent-infrastructure, production, context-engineering, frameworks

## Outline

- #The Conflation Problem
- #Three Tiers, Borrowed From Your OS
- #Consolidation Is the Hard Part
- #The Framework Landscape Right Now
- #When You Don't Need Any of This