背景窗口不是内存

2026年8月14日1 次浏览来源:Dev.to阅读原文

正文保留英文原文(机翻易破坏代码与排版),标题/摘要已提供中文

Everyone is racing to make AI smarter.

Almost nobody is asking what it's allowed to remember.

I'm starting a daily series on the least understood layer in AI.

Day

1.

Here's the confusion at the center of it: we've started calling the context window "memory." It isn't.

A context window is a desk.

You pile things on it, you work, and at the end of the session someone clears the desk.

Bigger models just give you a bigger desk.

Memory is the filing cabinet.

What survives the desk being cleared.

So picture hiring a brilliant analyst with no long-term memory.

Every morning you re-brief them on the company, the customers, the decisions you already made together.

They nod.

They do genuinely excellent work.

And by tomorrow, it's gone.

You'd never call that person a knowledge worker.

You'd call it a very expensive Groundhog Day.

That is most "AI agents" running in production today.

The industry's answer has been to treat this as a storage problem.

Bigger context.

Another vector database.

Stuff more in, hope the right thing comes out.

I think that's the wrong frame entirely.

Memory isn't a storage problem.

It's a trust problem.

Tomorrow, Day 2: why RAG is not memory — and why confusing the two costs teams more than they realise. — We at Alphanimble building Memuron, a memory system for AI agents.

This series is the thinking behind it, in the open.

Every post is something I've had to figure out to build the thing.

AI #AIAgents #AIMemory

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