LangChain in Action: Develop LLM-Powered Applications

Course Overview Are you looking to gain a new in-demand skill from the comfort of your home? Well, look no …

LangChain in Action: Develop LLM-Powered Applications

LangChain in Action: Develop LLM-Powered Applications




1 Year Access


3 Students


3 hours, 42 minutes

Gift this course

Course Overview

Are you looking to gain a new in-demand skill from the comfort of your home? Well, look no further; you’ve come to the right place!

Our easy-to-follow LangChain in Action: Develop LLM-Powered Applications will provide you with all the deep knowledge and insight you need to know about this topic. This comprehensive course has been broken down into several manageable modules, which we believe will assist you to easily grasp each concept – from the fundamental to the more advanced aspects of the course. 

Learn the most in-demand skills from the safety & comfort of your home. Enjoy the freedom to learn at your own comfortable pace and prepare yourself for the market of the future.

Learning Outcomes

Whether you are an aspiring professional or a complete beginner, this course will improve your expertise and boost your CV with key skills and an accredited certification attesting to your knowledge. 

Entry Requirement

    • This course is available to all learners of all academic backgrounds.
    • Learners should be aged 16 or over to undertake the qualification.
    • Some basic understanding of the English language and numeracy.  


After you have successfully completed the course, you will be able to obtain an Accredited Certificate of Achievement. You can, however also obtain a Course Completion Certificate following the course completion without sitting for the test. Certificates can be obtained either in hardcopy at the cost of £29 or in PDF format at the cost of £19.

    • PDF certificate’s turnaround time is 24 hours, and for the hardcopy certificate, it is 3-9 working days

Why choose us?

      • Affordable, engaging & high-quality e-learning study materials;
      • Tutorial videos/materials from the industry-leading experts;
      • Study in a user-friendly, advanced online learning platform;
      • Efficient exam systems for the assessment and instant result;
      • The UK & internationally recognised accredited qualification;
      • Access to course content on mobile, tablet or desktop from anywhere, anytime;
      • The benefit of career advancement opportunities;
      • 24/7 student support via email.

Career path

Develop Your Career Plan is a useful qualification to possess and would be beneficial for any related profession or industry. 

Course Curriculum

Before We Start
Why this course is different 00:01:00
Prerequisites 00:01:00
Essential topics and terms (theory) 00:04:00
Why this course does not cover Open Source models like LLama2 00:01:00
Optional: Install Visual Studio Code 00:02:00
Get the source files with Git from Github 00:02:00
Create OpenAI Account and create API Key 00:02:00
Setup of a virtual environment 00:03:00
Setup OpenAI Api-Key as environment variable 00:03:00
Exploring the vanilla OpenAI package 00:03:00
LangChain Basics
LLM Basics 00:07:00
Prompting Basics 00:02:00
Theory: Prompt Engineering Basics 00:02:00
Few Shot Prompting 00:05:00
Chain of thought prompting 00:02:00
Pipeline-Prompts 00:04:00
Prompt Serialisation 00:03:00
Chains - From Basic To Advanced Chains
Introduction to chains 00:01:00
Basic chains – the LLMChain 00:03:00
Response Schemas and OutputParsers 00:06:00
LLMChain with multiple inputs 00:02:00
SequentialChains 00:04:00
RouterChains 00:04:00
Callbacks 00:05:00
Memory basics – ConversationBufferMemory 00:04:00
ConversationSummaryMemory 00:03:00
EXERCISE: Use Memory to build a streamlit Chatbot 00:01:00
SOLUTION: Chatbot with Streamlit 00:03:00
OpenAI Function Calling
OpenAI Function Calling – Vanilla OpenAI Package 00:08:00
Function Calling with LangChain 00:04:00
Limits and issues of the langchain Implementation 00:03:00
Retrieval Augmented Generation (RAG)
RAG – Theory and building blocks 00:03:00
Loaders and Splitters 00:04:00
Embeddings – Theory and practice 00:04:00
VectorStores and Retrievers 00:07:00
RAG Service with FastAPI 00:05:00
Agents Basics – LLMs learn to use tools 00:06:00
Agents with a custom RAG-Tool 00:07:00
ChatAgents 00:03:00
Indexing API
Indexing API – keep your documents in sync 00:02:00
PREREQUISITE: Docker Installation 00:01:00
Setup of PgVector and RecordManager 00:04:00
Indexing Documents in practice 00:06:00
Document Retrieval with PgVector 00:03:00
Introduction to LangSmith (User Interface and Hub) 00:02:00
LangSmith Projects 00:07:00
LangSmith Datasets and Evaluation 00:13:00
Microservice Architecture For LLM Applications
Introduction to Microservice Architecture 00:04:00
How our Chatbot works in a Microservice Architecture 00:02:00
Introduction to Docker 00:05:00
Introduction to Kubernetes 00:02:00
Deployment of the LLM Microservices to Kubernetes 00:13:00
LangChain Expression Language (LCEL)
Intro to LangChain Expression Language 00:01:00
LCEL Part 1 – Pipes and OpenAI Function Calling 00:07:00
LCEL – Part 2 – VectorStores, ItemGetter, Tools 00:06:00
LCEL – Part 3 – Arbitrary Functions, Runnable Interface, Fallbacks 00:07:00

Course Ratings


  • 5 stars0
  • 4 stars0
  • 3 stars0
  • 2 stars0
  • 1 stars0

No Ratings found for this course.

How Do Our Courses Work?

Purchase and payment

Add your chosen course to your basket. Once you’ve added all the courses you need.

Course access

Add your chosen course to your basket. Once you’ve added all the courses you need.


Add your chosen course to your basket. Once you’ve added all the courses you need.

Continued support

Add your chosen course to your basket. Once you’ve added all the courses you need.

Dive into an enriching online learning journey with Alpha Academy. We pride ourselves on offering a diverse range of courses tailored to your needs. Elevate your expertise or discover a new passion. With Alpha Academy, your pursuit of knowledge has no bounds.


For Business

Certificate validator

Payment methods possible


    Your Cart
    Your cart is emptyReturn to Shop

    WINTER SALE :: ALL COURSES for $64.09 / year


    No more than 50 active courses at any one time. Membership renews after 12 months. Cancel anytime from your account. Certain courses are not included. Can't be used in conjunction with any other offer.

      Apply Coupon