Glossary
Planner
A planner is the component (often a model prompt or node) that decomposes a goal into steps before or during execution.
Planner: A planner is the component (often a model prompt or node) that decomposes a goal into steps before or during execution.
Definition
A planner decomposes a goal into steps. It may be a dedicated model call, a graph node, or an implicit part of a ReAct loop.
Trade-offs
Planning improves coherence on multi-hop tasks but can waste work if plans are wrong—hence re-planning and short plan lengths.
See also
Related reading
Plan-and-Execute Pattern
Plan-and-execute agents draft a multi-step plan first, then carry out steps with optional re-planning.
Agentic Architecture: Core Components of Production Agents
A practical architecture model for agentic systems: goals, planners, tools, memory, orchestration, evals, and control planes.