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This chapter provides an in-depth look at implementing chatbots and intelligent agents using the capabilities of LlamaIndex. We will explore the various chat engine modes available, from simple chatbots to more advanced context-aware and question-condensing engines. Then, we’ll dive into agent architectures, analyzing tools, reasoning loops, and parallel execution methods. You will gain practical knowledge so that you can build conversational interfaces powered by LLMs that can understand user needs and orchestrate responses or actions by utilizing tools and data sources.

Throughout this chapter, we’re going to cover the following main topics:

• Understanding chatbots and agents
• Implementing agentic strategies in our apps
• Hands-on – implementing...