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Topic

ReAct & Reasoning-Action Loops

12 posts on react & reasoning-action loops — part of ai agents & automation on the n4n AI blog.

AI agents & automationAnalysis

Why ReAct agents get stuck in loops (and how to stop it)

Analyzes why a ReAct agent stuck in loop occurs—from ambiguous observations to model repetition—and gives engineers concrete guardrails to break cycles.

4 min read
AI agents & automationComparison

ReAct vs ReWOO: reasoning without observation

A practical engineer's comparison of ReAct vs ReWOO across capabilities, cost, latency, ergonomics, and limits, with a clear verdict per use case.

5 min read
AI agents & automationComparison

ReAct vs plan-and-execute agents compared

A practitioner's head-to-head comparison of ReAct vs plan-and-execute agent architectures across cost, latency, ergonomics, and failure modes, with a verdict.

5 min read
AI agents & automationAnalysis

ReAct agents in production: lessons from real deployments

Practical analysis of ReAct agents in production: loop guardrails, tool schema validation, context limits, and when the pattern beats fixed pipelines.

3 min read
AI agents & automationHow-to

How to add memory to a ReAct reasoning loop

Learn how to add ReAct agent memory to a reasoning-action loop with practical steps, code samples, and verification tips for production LLM agents.

3 min read
AI agents & automationAnalysis

How many reasoning steps should a ReAct agent take

Analysis of how many ReAct agent reasoning steps to use, with tradeoffs between latency, cost, and accuracy, plus concrete code for loop control.

4 min read
AI agents & automationHow-to

Debugging a ReAct agent that won't stop reasoning

Step-by-step guide to debug ReAct agent infinite loop: capture trajectories, fix parsers, cap iterations, validate tools, and verify termination in prod.

3 min read
AI agents & automationDefinition

What is the ReAct pattern for LLM agents

ReAct pattern LLM agents interleave reasoning and tool actions. This explainer covers the loop, code, benefits, and myths for engineers building agentic systems.

4 min read
AI agents & automationComparison

ReAct vs Chain-of-Thought: what's the difference

Engineer-focused head-to-head of ReAct vs chain-of-thought: capabilities, token cost, latency, ergonomics, ecosystem, limits, and a clear verdict by use case.

5 min read
AI agents & automationGuide

ReAct prompting: a practical guide with examples

Practical ReAct prompting guide for engineers: design reasoning-action loops, parse model outputs, integrate tools, avoid failures, with code.

5 min read
AI agents & automationTutorial

How to implement a ReAct loop from scratch

A hands-on tutorial to implement ReAct loop from scratch: build a reasoning-action agent with tool calling using Python and an OpenAI-compatible LLM step by step.

4 min read
AI agents & automationTutorial

Building a ReAct agent with GPT-4o and function calling

Hands-on tutorial to build ReAct agent GPT-4o with function calling: define tools, implement the reasoning-action loop, and inspect expected output.

2 min read