Agentic AI Tutorial for Beginners | Langgraph Tutorial
At a glance
- Length
- 1 hr 19 min
- Channel
- codebasics
- Video from
- Jun 2025
- Rating
- ⭐⭐ Great video · 2/2
- Best for
- Python developers ready to build working AI agents with Langgraph.
What this video answers
- What is the difference between Langchain and Langgraph?
- Do I need to install anything special to follow along?
- What can I actually build after finishing this tutorial?
- Is this tutorial suitable if I'm completely new to AI?
- Will I learn about deploying agents to production?
What This Langgraph Tutorial Covers for Agentic AI Beginners
This comprehensive tutorial from codebasics introduces agentic AI development using Langgraph, a popular framework designed to simplify agent creation. The video bridges the gap between AI theory and practical implementation, starting with foundational concepts before moving into hands-on Langgraph work. It's structured to take viewers from zero familiarity to working with functional AI agents, making it accessible for developers who want to understand how modern AI systems can reason and act autonomously.
The tutorial progresses logically from basics through increasingly complex applications, including chatbots with tool integration, memory management, and production-ready features like tracing and human oversight. Code examples are provided via GitHub, allowing viewers to follow along and experiment locally.
Key Moments
Key Strengths and Notable Aspects of This Langgraph Guide
- Covers the conceptual difference between Langchain and Langgraph, clarifying when and why to use each framework
- Includes practical setup instructions and installation guidance, removing barriers to getting started
- Progresses from simple graph structures to conditional logic and tool-calling agents, building complexity incrementally
- Demonstrates real-world patterns like chatbots, memory persistence, and integration with external tools
- Addresses production concerns through sections on Langsmith tracing and human-in-the-loop workflows
- Provides complete, runnable code samples on GitHub rather than theoretical explanation alone

Who Should Watch This Langgraph Tutorial
This tutorial suits developers and data engineers who want to build AI agents but lack hands-on experience with Langgraph specifically. It's ideal for those already familiar with Python and basic AI concepts who are ready to move into agent implementation. The beginner-focused framing means it doesn't assume prior framework knowledge, though some comfort with Python and an understanding of what language models do will help.
It's equally valuable for teams evaluating whether Langgraph is the right choice for their AI projects, since the comparison with Langchain and the coverage of advanced features like memory and tracing help clarify what the framework can do.
Common Questions About Learning Agentic AI with Langgraph
What is the difference between Langchain and Langgraph?
The video explicitly addresses this comparison, helping viewers understand that Langchain is a broader framework for working with language models, while Langgraph is a specialized tool for building agent systems with structured workflows and decision-making logic.
Do I need to install anything special to follow along?
Yes—the tutorial includes a dedicated installation and setup section to walk through the required dependencies and configuration before diving into code examples.
What can I actually build after finishing this tutorial?
The video demonstrates building functional chatbots, agents that call external tools, systems with persistent memory, and workflows that allow human intervention. These form the foundation for many real-world AI applications.
Is this tutorial suitable if I'm completely new to AI?
The video is labeled for beginners in Langgraph, but familiarity with Python and basic concepts of how AI models work will help. It's not an introduction to AI itself, but rather to building with Langgraph specifically.
Will I learn about deploying agents to production?
The tutorial touches on production-relevant features including tracing with Langsmith (for observability) and human-in-the-loop patterns, though it focuses more on building and understanding agents than on full deployment workflows.

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Key Terms
- Agentic AI
- An AI system that can reason about goals, break them into steps, and use tools to complete tasks autonomously rather than just generating text.
- Langgraph
- A framework for building AI agents as structured graphs with nodes, edges, and decision-making logic.
- Graph with Condition
- A workflow pattern where the agent's next action depends on evaluating a decision point or state.
- Tool Integration
- Connecting an agent to external functions or APIs so it can retrieve information or perform actions beyond text generation.
- Human in the Loop
- A design pattern where an AI agent can pause and ask for human approval before taking certain actions.
- Langsmith
- A tracing and observability tool that logs agent behavior for debugging and monitoring.
Sources: Agentic AI · Langgraph · Graph with Condition · Tool Integration · Human in the Loop · Langsmith — definitions cross-referenced with Wikipedia
Video by codebasics on YouTube. If you enjoyed it, please subscribe to their channel and show your support for the great video.
Description
Learn Agentic AI using a popular framework langgraph. In this agenti ai tutorial for beginners, we will start with agentic AI basics and then we will dive deeper into langgraph by covering a wide range of topics.
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Code: https://github.com/codebasics/langgraph-crash-course
00:00 Introduction
00:40 Agentic AI Basics
00:00 What is Langgraph
07:41 Langchain vs Langgraph
13:08 Installation and Setup
19:00 Simple Graph
31:36 Graph with Condition
36:55 Chatbot in Langgraph
45:38 Chatbot with Tool
56:03 Memory
1:05:05 Tracing with Langsmith
1:10:11 Human in the Loop
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