LangChain and Generative AI: Build Practical LLM Applications — PickAClass
4.0 (2) ⏱ 2h 30m 📚 25 lessons 🎧 Audio version

LangChain and Generative AI: Build Practical LLM Applications

Learn to develop smart language-model applications using LangChain, OpenAI, and Hugging Face by reading clear explanations and practicing with real-world code examples.

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About this course

Generative artificial intelligence is transforming how we interact with technology, but building reliable applications with large language models requires structured coordination. LangChain provides the essential framework to connect these powerful models to your own data and workflows. This course guides you through the process of building intelligent, context-aware applications using Python and LangChain. You will transition from understanding core artificial intelligence concepts to implementing practical solutions like custom chatbots, data analysis tools, and search assistants. What you'll learn: - Understand the foundational concepts of Large Language Models (LLMs), prompt engineering, and the LangChain ecosystem. - Build interactive conversational agents and chatbots that maintain memory and context across interactions. - Implement Retrieval-Augmented Generation (RAG) to connect LLMs to external data sources and document stores. - Configure vector databases and embeddings to perform efficient semantic search and information retrieval. - Develop structured data analysis tools that can query CSV files and databases using natural language. - Create automated workflows using LangChain chains and agents to solve multi-step reasoning tasks. You will start with key terminology and basic setup before moving step-by-step through written explanations and code walkthroughs for diverse application patterns. Each concept is reinforced with practical text-based exercises designed to build your coding confidence. This course is designed for beginners, software developers, and tech enthusiasts who want to enter the world of AI engineering. No prior experience with generative AI or machine learning is required, though a basic familiarity with Python is helpful. Start reading today to begin building your own intelligent language applications.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 📱 Phone or computer
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  • Short & focused
    2h 30m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
LangChain and Generative AI: Build Practical LLM Applications
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
LangChain and Generative AI: Build Practical LLM Applications
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (2)

Henry Moore US Verified learner
★ 4 · June 30, 2026

Good introduction to the topic. The structure was logical, and most of the examples were relevant, though I wished for more depth in certain areas.

오채원 KR Verified learner
★ 4 · June 12, 2026

Found it useful. The flow was logical, and the illustrative examples helped solidify the ideas. Could have used a bit more depth.

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Yes — full refund within 14 days, no questions asked.

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Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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