Five agent design patterns every developer should know in 2026

ReAct, Plan-and-Execute, Multi-Agent Collaboration, Reflection, and Tool Use have emerged as the canonical patterns for building reliable agents. Reflection (the agent critiques its own output before finalizing) and Orchestrator/Sub-agent architectures (specialized sub-agents coordinated by a manager agent) are seeing the most production adoption.

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Source: n1n.ai / Medium