# A Practical Guide to Long-Term Memory in AI Agents

DevFeed: [A Practical Guide to Long-Term Memory in AI Agents](<https://devfeed.tech/articles/why-ai-needs-to-dream-a-guide-to-long-term-memory-40860.md>)

Original publisher: [Read original article](<https://mutto.fyi/posts/2026/05/long-term-memory/>)

Published: 2026-05-09T00:00:00Z

Content type: tutorial

Language: en

Sources: [Mutt0-ds Notes](<https://devfeed.tech/sources/mutt0-ds-notes.md>)

Topics: [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [context](<https://devfeed.tech/topics/context.md>), [consistency](<https://devfeed.tech/topics/consistency.md>), [User experience (UX)](<https://devfeed.tech/topics/ux.md>)

Tags: [agentic](<https://devfeed.tech/tags/agentic.md>), [ai](<https://devfeed.tech/tags/ai.md>), [benchmarks](<https://devfeed.tech/tags/benchmarks.md>), [consistency](<https://devfeed.tech/tags/consistency.md>), [context](<https://devfeed.tech/tags/context.md>), [guide](<https://devfeed.tech/tags/guide.md>), [memory](<https://devfeed.tech/tags/memory.md>), [retention](<https://devfeed.tech/tags/retention.md>), [ux](<https://devfeed.tech/tags/ux.md>)

## AI overview

This practical guide explains long-term memory in AI systems, including how to think about retention, relevance, recall quality, and personality consistency. It discusses custom instructions, user experience, and challenges encountered when implementing memory in production.

## Source excerpt

Agentic Memory is an area of the AI world where even benchmarks are vague. How do you really measure "memory"? Retention? Relevance? Recall...