What is RAG & Vector Search?

Retrieval-augmented generation, vector databases, embeddings and semantic search

Where can I learn RAG & Vector Search for free?

DeepCamp offers 4,922 free curated RAG & Vector Search lessons — from beginner-friendly introductions to advanced tutorials — all in one place, no account required.

What are the best RAG & Vector Search tutorials?

DeepCamp curates the best RAG & Vector Search tutorials from top YouTube educators and industry practitioners. You can filter by level (beginner, intermediate, advanced) and duration to find the right fit.

How long does it take to learn RAG & Vector Search?

It depends on your starting point and goals. Beginners can grasp fundamentals in 2–4 weeks with consistent study. DeepCamp organises RAG & Vector Search lessons by level so you can build skills progressively.

Is RAG & Vector Search a good career skill?

Yes — RAG & Vector Search is highly valued across tech, finance, healthcare, education and professional services. DeepCamp helps you build job-ready RAG & Vector Search skills with practical, real-world lessons.

Can beginners learn RAG & Vector Search?

Absolutely. DeepCamp has beginner-friendly RAG & Vector Search lessons that start with core concepts and build up gradually. No prior experience or paid subscription is required.

RAG & Vector Search Lessons — Free Learning

Dev.to · Faizal 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

RAG-Based Testing Series — Part 6: Automating RAG Quality Checks in CI/CD

Manual test runs aren't enough. Wire your RAG test framework into GitHub Actions so quality checks run automatically on every knowledge base update, system prom

Dev.to · Faizal 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

RAG-Based Testing Series — Part 5: Building a RAG Test Framework from Scratch

Stop writing one-off tests. Learn how to combine retrieval quality, faithfulness, and edge case testing into a single structured, reusable RAG test framework yo

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

You Probably Don’t Need a Vector Database - If Your Data Already Lives in BigQuery

How I built an end-to-end RAG proof-of-concept in pure SQL: no new infrastructure, no data movement, and pay-per-query cost. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Building a Production-Grade RAG Platform — Part 2: Gateway & Orchestration, The Layer That Protects…

Enterprise RAG Architecture Series Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Not All Knowledge Belongs in the Same Vector Store

An AI engineering lesson from building a peer health community Continue reading on Medium »

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Do You Really Understand Rerankers in RAG — Or Are You Just Saying I am an expert in RAG?

Everyone says they understand RAG. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Do You Really Understand Rerankers in RAG — Or Are You Just Saying I am an expert in RAG?

Everyone says they understand RAG. Continue reading on Medium »

Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Stop Returning Flat Text from a PDF: The Relational Shape RAG Needs

Enterprise Document Intelligence [Vol.1 #5B] - One PDF in, a relational set of DataFrames out: lines, pages, TOC, images, cross-references, captions, spans, and

Dev.to · tony tong 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Why RAG without context judgment is just a fancier grep

I keep seeing teams ship a "RAG system" that's really a vector database with a thin wrapper. They...

Dev.to · Alejandro Duarte 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Production-Grade RAG: Why Vector Search Isn't Enough (and How Hybrid Search Fills the Gaps)

Imagine your team just deployed a sleek RAG-based docs assistant for the SaaS platform you develop....

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Why RAG needs a World Model too

Fei-Fei Li’s recent piece on world models made me revisit a question that we often skip when talking about agents. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

What is RAG? Why non-tech people care?

There is no one who hasn’t used AI to find an answer lately — and if we’re being honest, it has made our lives significantly easier… Continue reading on Medium

Dev.to · Faizal 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

RAG-Based Testing Series — Part 4: Edge Cases — What Breaks RAG & How to Catch It

Happy path testing isn't enough. Learn the edge cases that silently break RAG systems in production — empty knowledge bases, conflicting context, out-of-scope q

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Rethinking Real Estate AI: Vector, Vector-less, or Graph RAG?

Real estate enterprises sit on mountains of unstructured data — everything from endless lease agreements and financial PDFs to sprawling… Continue reading on Me

Dev.to · Faizal 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

RAG-Based Testing Series — Part 3: Faithfulness & Hallucination Detection

Good retrieval doesn't guarantee a good answer. Learn what faithfulness means in RAG, why LLMs hallucinate even with perfect context, and how to detect it autom

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

How to Build a Deterministic RAG Testing Tool — and Use LLM as an Advisor, Not a Judge

What is RAG and Why Should You Care? Continue reading on Medium »

Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

RAG Evaluation Technical Guide

Good RAG is not only about better answers. It is about measurable, traceable, and trustworthy answers. Continue reading on Towards AI »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

A SQL Generation RAG agent for Building a Unified Data Model for your Organisation

Why SQL RAG instead of a regular RAG? Continue reading on Medium »

Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Beyond extract_text: The Two Layers of a PDF That Drive RAG Quality

Enterprise Document Intelligence [Vol.1 #5A] - Document signals (metadata, native TOC, source software) and page-level content (text vs scans, tables, images, c

Dev.to · AlaiKrm 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

The Data Ingestion Pipeline Nobody Designs Well Until Production Breaks It

There is a phase in every enterprise RAG deployment that I think of as the ingestion...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Late Chunking Fixed a Context Leak in My RAG Pipeline

Last week I hit a retrieval bug that looked like a model problem at first. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Enterprise RAG Failed for Reasons I Didn’t Expect — The Governance Gaps That Nearly Broke It

Why Experienced Architects Build Fragile RAG Systems — and the Mindset Shift That Fixes It Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Retrieval-Augmented Generation

A comprehensive technical deep dive into how RAG systems work — from embedding theory and vector search to advanced retrieval patterns… Continue reading on Medi

Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

La Arquitectura Moderna de RAG: Cómo Construir Sistemas de IA Confiables, Escalables y Listos…

De ChatGPT a Sistemas Empresariales Inteligentes Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

La Arquitectura Moderna de RAG: Cómo Construir Sistemas de IA Confiables, Escalables y Listos…

De ChatGPT a Sistemas Empresariales Inteligentes Continue reading on Medium »

Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

I Built a Production RAG System on My M1 Mac for $0

I Built a Production RAG System on My M1 Mac for $0 Most RAG tutorials stop at "it answers questions." But answering questions is table stakes. The real questio

Medium · SEO 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

How to Write Content That AI Summaries Actually Cite

AI summaries do not read your page. They pull fragments from it. Systems built on Retrieval-Augmented Generation (RAG) break your content… Continue reading on M

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Your Chunking Strategy Is Why Your RAG Is Bad

Part 4 of the “AI That Actually Works” series. Everyone obsesses over the embedding model. Almost nobody fixes the step before it. Continue reading on Medium »

Dev.to · Cleber Lucas 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

En:Building a RAG Agent for SOPs

How I built a RAG agent to eliminate operational interruptions at work Open source...

Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

10 Common RAG Mistakes We Keep Seeing in Production

Enterprise Document Intelligence [Vol.1 #4bis] - A coauthor note on the brick-by-brick pitfalls that justified the four-brick split, before Part II walks the fi

Dev.to · Leo Han 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

rag-explained-how-it-works

RAG Explained: How Retrieval-Augmented Generation Actually Works What Is...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Your AI Can Read a PDF. But What Does It Take to Build a Useful Product?

A personal note from building InsureSense AI — a small insurance-policy RAG project I built for learning. Continue reading on Medium »

Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Building the First Multi-Model RAG Production-Ready Application

As a TypeScript backend engineer, I keep hearing that RAG is the important part of Full Stack AI development yet somehow it never made it… Continue reading on M

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Building the First Multi-Model RAG Production-Ready Application

As a TypeScript backend engineer, I keep hearing that RAG is the important part of Full Stack AI development yet somehow it never made it… Continue reading on M

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Beyond Vector Search: Advanced RAG Architectures for Enterprise AI

In 2024, thousands of organizations rushed basic Retrieval-Augmented Generation (RAG) prototypes to production — typically a simple Python… Continue reading on

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Beyond Vector Search: Advanced RAG Architectures for Enterprise AI

In 2024, thousands of organizations rushed basic Retrieval-Augmented Generation (RAG) prototypes to production — typically a simple Python… Continue reading on

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Your RAG demo worked. Your production RAG is lying to its customers. Here’s the gap

Originally published on the Revenue Experts AI blog. You can find all the sources mentioned in this article in the blog post. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Chunking: The Hidden Backbone of RAG | Chunking Strategies Part 2

 Chunking: The Hidden Backbone of RAG — Blog Series Continue reading on Women in Technology »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Why Pure Vector Search Fails Legal RAG (and What I Did About It)

Building jurisdiction-specific Q&A with statute routing, forced section anchors, and three-tier retrieval. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

I Spend a Day on Benchmarking TurboVec Against FAISS on MS MARCO — Here’s What I Found

When building Retrieval-Augmented Generation (RAG) systems, one problem shows up very quickly Vector search becomes expensive. Continue reading on Medium »

Dev.to · Sara Bezjak 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Search bug or model bug - testing a RAG system to tell them apart

I'm an automation tester. Usually my job is simple: the same input should give the same output, every...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

The day our AI told a chocolate buyer to buy a marshmallow

A recommendation engine that demoed beautifully fell apart the moment real experts watched it work. Here’s what actually broke and why the… Continue reading on

Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

I Built a Working RAG System in 100 Lines of Python. No LangChain.

Part 3 of the “AI That Actually Works” series. You don’t need a framework to understand retrieval. You need 100 lines. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

I Built a Working RAG System in 100 Lines of Python. No LangChain.

Part 3 of the “AI That Actually Works” series. You don’t need a framework to understand retrieval. You need 100 lines. Continue reading on Medium »

Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Chunking Your Way to Better RAG: Explaining the different types of Text Splitters in LangChain

You’ve set up your RAG pipeline. You have your vector store, your embedding model, your LLM. But your retrieval quality is mediocre, the… Continue reading on Me

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago

Teaching RAG to Say ‘I Don’t Know’

The quality of a RAG system isn’t defined by the moments it answers correctly. It’s defined by whether it can recognize the moment it… Continue reading on Simpr

ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 3w ago

SIFT: Selective-Index For Fast Compute of RAG Prefill by Exploiting Attention Invariance

arXiv:2606.09441v1 Announce Type: new Abstract: Retrieval-Augmented Generation (RAG) injects LLM queries with relevant documents to improve response quality. Th

ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 3w ago

Beyond Probabilistic Similarity: Structural, Temporal, and Causal Limitations of Retrieval-Augmented Generation in the Legal Domain

arXiv:2606.09724v1 Announce Type: new Abstract: Retrieval-Augmented Generation (RAG) has become a standard architectural response to unreliability in legal AI,