AI Agents Explained: What Is a ReAct Loop and How Does It Work?
How agents reason, act, and observe their way to a final answer, one step at a time The post AI Agents Explained: What Is a ReAct Loop and How Does It Work? appeared first on Towards Data Science .
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Artificial Intelligence AI Agents Explained: What Is a ReAct Loop and How Does It Work? How agents reason, act, and observe their way to a final answer, one step at a time Maria Mouschoutzi Jul 3, 2026 12 min read Share Image created by the author using ChatGPT Images 2.0 In my last post, we talked about Tool Calling. Tool Calling is the mechanism that allows an AI model to decide which function needs to be used and with what arguments, instead of just generating text as output. By the end of that post, we had a setup that could decide to get_current_weather or convert_currency, or do both at once by calling them in parallel, or neither of them, and just generate text.
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