
BLOG . LANGCHAIN . COM {
}
Detected CMS Systems:
- Hubspot (1 occurrences)
Title:
How and when to build multi-agent systems
Description:
Late last week two great blog posts were released with seemingly opposite titles. “Don’t Build Multi-Agents” by the Cognition team, and “How we built our multi-agent research system” by the Anthropic team. Despite their opposing titles, I would argue they actually have a lot in common and contain some
Website Age:
5 years and 7 months (reg. 2019-12-03).
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- Careers
- Education
- Technology & Computing
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Blog.langchain.com utilizes HUBSPOT.
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Keywords {🔍}
agents, context, multiagent, systems, agent, engineering, read, loop, blog, research, tasks, min, work, system, write, building, post, framework, writing, anthropic, effectively, task, llm, langgraph, reading, anthropics, involve, actions, single, challenges, weve, debugging, observability, team, primarily, memory, information, approach, tools, full, require, key, decisions, conflicting, errors, langsmith, evaluation, langchain, build, great,
Topics {✒️}
read-heavy multi-agent systems multi-agent systems excel crucial multi-agent systems multi-agent systems today multi-agent systems work build multi-agent systems long-horizon conversation management multi-agent systems makes actual writing—synthesizing findings a-judge server side low-level orchestration framework multi-agent research system” multi-agent systems enforced “cognitive architectures” involve heavy parallelization smartest human won conflicting read actions multi-agent framework losing previous work build multi-agents” bad search queries building multi-agent preserving conversation coherence durably execute code agent orchestration framework single main agent complex single agent store essential information design choice recognizes fix issues systematically internal evaluations show agents duplicate work long running agents research-oriented approach claude research illustrates standard context windows retrieve stored context seemingly opposite titles conversations spanning hundreds necessitating intelligent compression create incompatible outputs minor system failures hitting tool failures �write” context engineering traditional software observability effectively communicating context spawn fresh subagents generically solving problems finding obvious information choosing poor sources
Questions {❓}
- How do I speed up my AI agent?
- MCP: Flash in the Pan or Future Standard?
- Were the agents using bad search queries?
Schema {🗺️}
Article:
context:https://schema.org
publisher:
type:Organization
name:LangChain Blog
url:https://blog.langchain.com/
logo:
type:ImageObject
url:https://blog.langchain.com/content/images/2024/03/LangChain-logo.png
author:
type:Person
name:Harrison Chase
url:https://blog.langchain.com/author/harrison/
sameAs:
headline:How and when to build multi-agent systems
url:https://blog.langchain.com/how-and-when-to-build-multi-agent-systems/
datePublished:2025-06-16T14:52:10.000Z
dateModified:2025-06-16T15:40:53.000Z
image:
type:ImageObject
url:https://blog.langchain.com/content/images/2025/06/supervisor.png
width:1188
height:886
keywords:In the Loop
description:Late last week two great blog posts were released with seemingly opposite titles. “Don’t Build Multi-Agents” by the Cognition team, and “How we built our multi-agent research system” by the Anthropic team.
Despite their opposing titles, I would argue they actually have a lot in common and contain some insights as to how and when to build multi-agent systems:
1. Context engineering is crucial
2. Multi-agent systems that primarily “read” are easier than those that “write”
Context engineering
mainEntityOfPage:https://blog.langchain.com/how-and-when-to-build-multi-agent-systems/
Organization:
name:LangChain Blog
url:https://blog.langchain.com/
logo:
type:ImageObject
url:https://blog.langchain.com/content/images/2024/03/LangChain-logo.png
ImageObject:
url:https://blog.langchain.com/content/images/2024/03/LangChain-logo.png
url:https://blog.langchain.com/content/images/2025/06/supervisor.png
width:1188
height:886
Person:
name:Harrison Chase
url:https://blog.langchain.com/author/harrison/
sameAs:
External Links {🔗}(3)
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- Google Analytics
- Google Analytics 4
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- HubSpot
- Site Verification - Google
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- Jsdelivr