Decoder. plain-English AI glossary

Swarm

▲ Rising

A group of agents that coordinate as peers, with no single boss directing them.

Think of it like

A flock of birds turning together — no lead bird, just simple local rules that add up to a shape.

Example

A dozen small agents each explore a different part of a codebase and share what they find on a common board until the bug is located.

How it actually works

Swarms trade central control for resilience and parallelism — no manager to bottleneck or crash, but also no one holding the overall plan. Coordination happens through shared state or messages rather than commands. They can be powerful for search-like problems but are notoriously hard to steer and debug, since behavior emerges from the interactions rather than living in one place.

For product teams

Swarms shine on parallel exploration but are hard to predict and control — use them where breadth beats precision.

For engineers

Peer agents coordinate via shared state or message-passing without a central controller.

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