# What separates a simple agent from one that can reliably work through

[Reference page](https://posts.design/langchain-what-separates-a-simple-agent-from-one-2026-09-28) · [Markdown](https://posts.design/langchain-what-separates-a-simple-agent-from-one-2026-09-28.md) · [Original source](https://x.com/langchain/status/2104587578980663424)

What separates a simple agent from one that can reliably work through complex, long\-running tasks?

It comes down to the harness around the model: how the agent plans, manages context, uses tools, and breaks work into smaller steps\.

In our upcoming virtual workshop, we’ll walk

- Kind: post
- Media: image
- Posting account: LangChain · @LangChain
- Account: [LangChain](https://x.com/LangChain)
- Represented brand: LangChain
- Categories: Event
- Subjects: AI, Developer Tools
- Source published: 2026\-09\-28T15:02:34\.000Z
- Captured: 2026\-09\-28
- Added to posts.design: 2026\-09\-29T23:21:00\.219Z
- Recorded views: 9168 · captured 2026\-10\-12T14:43:23\.514Z · refresh\-observed\-public

![LangChain: What separates a simple agent from one that can reliably work through — public x\-twitter post media curated for social post design inspiration\.](https://posts.design/images/posts/x-twitter-langchain-2104587578980663424-langchain-separates-simple-agent-one-rel.webp)

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