Enterprise AI Glossary · Reviewed June 2026
ReAct Pattern
An agent control loop that interleaves Reasoning and Acting steps — think, act, observe, repeat.
What is ReAct Pattern?
The ReAct pattern (Reason + Act) structures an agent's execution as alternating reasoning traces and tool calls, with each observation feeding the next thought. It is the most widely adopted agent loop because it is inspectable: you can read why the agent chose each action. See ReAct Agent Pattern and Agentic Design Patterns.
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