---
title: "Memory: Concepts"
description: "Designing recall systems with scope boundaries and state-vs-memory separation."
icon: "database"
mode: "wide"
---

## When to use memory

- You need semantic recall across runs.
- You need long-term context outside immediate flow state.

## When to use state instead

- Data is only needed for current control flow.
- Data must remain deterministic and explicit per step.

## Canonical links

- Reference: [/en/ai/memory/reference](/en/ai/memory/reference)
- Patterns: [/en/ai/memory/patterns](/en/ai/memory/patterns)
- Troubleshooting: [/en/ai/memory/troubleshooting](/en/ai/memory/troubleshooting)
- Examples: [/en/ai/memory/examples](/en/ai/memory/examples)
- Existing docs: [/en/concepts/memory](/en/concepts/memory)