n4nAI

Topic

LlamaIndex Agents & Workflows

12 posts on llamaindex agents & workflows — part of ai agents & automation on the n4n AI blog.

AI agents & automationTutorial

Tool-calling agents with LlamaIndex and Claude Opus 4.8

Hands-on tutorial for building LlamaIndex tool-calling agents with Claude Opus 4.8, from env setup to multi-step agent runs. Includes runnable Python code and expected output.

3 min read
AI agents & automationHow-to

Routing LlamaIndex agents through n4n.ai's model gateway

Learn how to route LlamaIndex agents through a model gateway for unified access to 240+ LLMs, fallback, and per-token metering with minimal code.

5 min read
AI agents & automationGuide

LlamaIndex Workflows explained: event-driven agents

A practical guide to llamaindex workflows: build event-driven agents with typed steps, custom events, concurrency, and production-grade error handling.

4 min read
AI agents & automationTutorial

LlamaIndex.TS: building agents in Node.js and TypeScript

Hands-on tutorial for building LLM agents in Node.js with LlamaIndex.TS: project setup, tool definitions, multi-turn chat, and provider swaps.

3 min read
AI agents & automationComparison

LlamaIndex query engines vs agents: when to use each

A practical head-to-head of LlamaIndex query engines vs agents across capabilities, cost, latency, ergonomics, and limits, with a clear verdict for engineers.

4 min read
AI agents & automationGuide

LlamaIndex memory modules for long-running agents

A practical guide to building llamaindex agent memory for long-running agents: buffer, summarization, vector recall, composition, and production tradeoffs.

4 min read
AI agents & automationComparison

LlamaIndex AgentWorkflow vs ReActAgent explained

A practitioner's head-to-head comparison of LlamaIndex AgentWorkflow vs ReActAgent across capabilities, cost, latency, ergonomics, and limits for engineers.

4 min read
AI agents & automationHow-to

How to build a multi-agent system with LlamaIndex

A practical guide to building a llamaindex multi-agent system with LlamaIndex: install, define tools, create agents, orchestrate, and verify end-to-end.

3 min read
AI agents & automationGuide

Debugging LlamaIndex agent workflows: a practical guide

A practitioner's guide to debugging LlamaIndex agents: trace workflows, inspect tool calls, handle retries, and fix common agent failures with code.

4 min read
AI agents & automationDefinition

What is LlamaIndex? A guide to agent workflows

LlamaIndex is a data framework for LLM apps. This guide explains what it is, how agents and workflows operate, with code and common misconceptions.

4 min read
AI agents & automationComparison

LlamaIndex vs LangChain: choosing an agent framework

Engineering comparison of LlamaIndex vs LangChain across capabilities, cost, latency, ergonomics, and ecosystem to choose the right agent framework.

4 min read
AI agents & automationTutorial

Building a RAG agent with LlamaIndex and GPT-5

Hands-on llamaindex rag agent tutorial: connect LlamaIndex to GPT-5, build a retrieval agent, and run multi-step Q&A over your documents with code.

3 min read