What Is a Multi Agent System?

What Is a Multi Agent System?

What is a multi agent system?

A multi agent system is a setup where several AI agents work together, each with its own role, coordinating to solve a problem too big or too complex for a single agent. Picture a small team instead of one generalist.

Key takeaways

What it isSeveral agents, one problem

Several AI agents work together, each with its own role, on a problem too big or too complex for a single agent.

How they workBack and forth

They pass information back and forth and reach an outcome none could reach alone.

Why it fitsLike a human team

It mirrors how human teams actually work.

How the agents work together

One agent might research, another might write, a third might check the work. They pass information back and forth and reach an outcome none could reach alone.

Figure 1. How a multi agent system works together

How a multi agent system works togetherThree agents, one researching, one writing and one checking the work, pass information back and forth; coordination decides who does what and how they hand off, and together they reach an outcome none could reach alone.ResearchOne agentWriteAnother agentCheck the workA third agentCoordination: who does what, and how they hand offAn outcome none could reach alone

Restates this article: one agent might research, another might write, a third might check the work; they pass information back and forth, and coordination decides who does what and how they hand off. The figure shows structure only; nothing in it is measured.

The coordination is the hard part, deciding who does what and how they hand off cleanly.

A small team instead of one generalist

A single agent

One generalist
  • One agent on the whole problem
  • Some problems are too big or too complex for it

A multi agent system

A small team
  • Several agents, each with its own role
  • One might research, another write, a third check the work
  • They pass information back and forth

It mirrors how human teams actually work, and it is where a lot of the most ambitious AI projects are heading.

Related terms

Why use multiple agents instead of one?

Splitting work across specialized agents improves accuracy and handles complexity better than overloading a single agent.

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