AI Agentic Design Patterns: ReAct Explained | Reasoning + Acting in AI Agents

What is the ReAct pattern in AI Agents? ReAct (Reason + Act) is one of the most important agentic design patterns used in modern AI systems. Instead of just generating text, ReAct agents think step-by-step, use tools, observe results, and iterate until they reach the correct answer. In this video, you’ll learn: What ReAct (Reason + Act) really means How AI agents alternate between reasoning and tool usage The Thought → Action → Observation loop Why ReAct reduces hallucinations How ReAct differs from traditional RAG How frameworks like LangChain, AutoGen, and CrewAI implement it Real-w…