Build Conversational AI with LangChain, Gemini, and Faiss — PickAClass
⏱ 2h 36m 📚 26 lessons

Build Conversational AI with LangChain, Gemini, and Faiss

Empower yourself to build intelligent question-answering systems using LangChain, the Gemini model, and vector databases for efficient information retrieval.

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About this course

Are you looking to create intelligent applications that can understand and respond to user queries? This course introduces you to the exciting world of conversational AI, focusing on building robust question-answering tools. By completing this course, you will gain the practical skills to design, develop, and deploy your own AI-powered conversational agents. You'll learn how to integrate large language models with external knowledge sources to create highly accurate and context-aware systems. What you'll learn: * Understand the core concepts of LangChain for orchestrating AI workflows * Integrate the Gemini model to power your conversational AI applications * Implement efficient vector search using Faiss for retrieval-augmented generation * Apply fundamental prompt engineering techniques to guide AI responses * Construct a complete conversational question-answering system from scratch * Manage conversational memory and state for coherent interactions * Practice building and testing your AI agent with practical exercises This course progresses from fundamental concepts and terminology to hands-on development, guiding you through each step of building a functional conversational AI tool. You will begin by exploring LangChain's architecture, then move on to connecting with the Gemini model, and finally integrate Faiss for data retrieval. This course is designed for absolute beginners with no prior experience in AI or machine learning. All you need is a basic understanding of programming concepts. Start your journey into building powerful conversational AI today.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • ⚡ Short & focused
    2h 36m 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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PickAClass
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Build Conversational AI with LangChain, Gemini, and Faiss
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
P
PickAClass — Name Surname
Build Conversational AI with LangChain, Gemini, and Faiss
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.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

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

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

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

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