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Jun 24, 2026 · Artificial Intelligence

LLM Agent Design Patterns: From ReAct to Multi‑Agent Collaboration

This article systematically reviews major LLM agent design patterns—including ReAct, CodeAct, static and dynamic planning, reflection, and human‑in‑the‑loop—detailing their core loops, code structures, trade‑offs, and practical use‑cases, and provides a decision tree to help developers choose the most suitable pattern for their tasks.