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 4,916 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 · Pallavi Sharma 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Why My RAG App Kept Hallucinating (and How I Fixed It)

A few months ago I was demoing my RAG-powered support bot to a colleague, feeling pretty confident...

Dev.to · Alok Ranjan Daftuar 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Agentic RAG: Designing Self-Correcting Retrieval Loops for Production

Standard RAG retrieves once and hopes for the best. Agentic RAG retrieves, reflects, decides it was...

Dev.to · xu xu 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Why Your RAG System Keeps Hallucinating: The Hidden Cost of Skipping Fundamentals

The chunk size forum thread is 47 replies long. Everyone's arguing about 512 vs 1024 tokens, hybrid...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

I Built a 4-Phase Self-Healing RAG That Improved Answer Relevance by 8 Points Over Naive RAG…

Naive RAG failed me. A perfectly valid user query returned completely wrong chunks — not because the data wasn’t there, but because the… Continue reading on Med

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

I Rebuilt My RAG Pipeline on Microsoft Foundry. Here’s What Changed.

For the last two years, every retrieval-augmented generation pipeline I’ve built has followed the same painful pattern: stand up a vector… Continue reading on M

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

From RAG Demo to Production: What It Actually Takes to Serve Millions of Users

Building a retrieval-augmented conversational AI that real enterprises depend on is a very different problem than building one that demos… Continue reading on M

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Building an Enterprise RAG System for Security Analytics: Architecture and Evaluation

A technical walkthrough of a production-patterned RAG pipeline built for security analytics — the design decisions, the evaluation… Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Why Most RAG Systems Fail in Production

You added RAG. You fixed demos. You broke production. Here is what actually went wrong and how to fix it. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Creating RAG Pipeline and Observability

RAG / Retrieval-Augmented Generation Continue reading on Medium »

Dev.to · Mattias chaw 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Building a RAG System With Chinese AI Models: Complete Tutorial

Building a RAG System With Chinese AI Models Retrieval-Augmented Generation (RAG) is the...

Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Reconstructing the Table of Contents a PDF Forgot to Ship, So RAG Can Scope by Section

Enterprise Document Intelligence [Vol.1 #5septies] - When a PDF prints a contents page but exposes no outline, two ways to turn it back into structure, plus the

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Your RAG Pipeline Is Bleeding Memory — TurboVec Might Be the Fix

How a Rust-based open-source project built on Google Research’s TurboQuant is making vector search faster, smaller, and fully local Continue reading on Medium »

Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

RAG Pipeline: Complete Node.js Implementation Guide

Build production RAG systems in Node.js — Know where it breaks, why it works, and when to use it Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

RAG Pipeline: Complete Node.js Implementation Guide

Build production RAG systems in Node.js — Know where it breaks, why it works, and when to use it Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Multi-Format AI Data Prep for Context-Aware RAG Pipelines

Building a basic Retrieval-Augmented Generation (RAG) app is incredibly straightforward. But the moment you drop a real-world enterprise… Continue reading on Me

Dev.to · Vishwajeet Kondi 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Knowledge Graphs: The Missing Piece in Most RAG Systems

If you've been exploring AI agents recently, chances are you've come across RAG (Retrieval-Augmented...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Why RAG Became the Foundation of Enterprise AI

Generative AI has created enormous excitement. Continue reading on Medium »

Dev.to · zhongqiyue 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

I built a code Q&A bot with RAG – what worked and what failed

A few months ago, our team had a problem: every new developer spent days digging through scattered...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

RAG

Retrieval-Augmented Generation (RAG) confused me at first. Once I learned the concept, I realized the core idea is simple, even if the… Continue reading on Medi

Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

I Spent $500 on RAG Infrastructure Before Realizing These 7 Mistakes Were Killing My Results

I Spent $500 on RAG Infrastructure Before Realizing These 7 Mistakes Were Killing My Results I built a RAG pipeline for private document search. It cost me $500

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Building a Legal RAG Agent: What the Numbers Didn’t Tell Me

There’s a peculiar problem at the intersection of language and law. Continue reading on Medium »

Dev.to · DatanestDigital 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Choosing a Vector Database in 2026: pgvector vs Pinecone vs Qdrant vs Weaviate

A practical comparison of the main vector database options for RAG and semantic search — pgvector, Pinecone, Qdrant, and Weaviate — with the trade-offs that act

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

From Months of RFI Work to a Fraction of the Time: Building a Knowledge-Based QA System for Fintech

Most companies do not suffer from a lack of knowledge. Continue reading on Medium »

Dev.to · surajrkhonde 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

RAG Pipeline: The Uncle-Nephew Complete Learning Guide

How to Build Systems That Actually Know Your Data (Not Hallucinate About It) ...

Dev.to · Chinmai Sd 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Building TraceroAI: A Better Way to Debug RAG Applications

Over the last few months, I've spent a lot of time building RAG applications and experimenting with...

Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

The OCR Library That Quietly Broke My Entire RAG Pipeline

One pip install took down a working Kaggle notebook. Here is how I found the cause and fixed it for good. Continue reading on Medium »

Dev.to · Devanshu Biswas 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Self-RAG: Let the Model Decide When to Retrieve, Then Grade Itself

Plain RAG retrieves for every query — even "what's 17×23?" that needs no documents. Self-RAG makes...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

RAG Is Not Just One Thing. Here Are the Types You Actually Need to Know in 2026

I have been spending a lot of time lately learning how RAG actually works under the hood. Continue reading on Medium »

Dev.to · xu xu 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

How Japan’s Research Labs Are Building RAG Systems That Actually Work — And What Western Teams Keep Getting Wrong

Your vector database is returning relevant chunks. Your embedding model scores 0.89 on retrieval...

Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Amazon Bedrock AgentCore Web Search: Why RAG Agents Fail and How to Ship Live-Grounded Agents

Originally published at twarx.com - read the full interactive version there. Last Updated: June 20, 2026 Every RAG pipeline your team shipped in 2023 is silentl

Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Setting Up the RAG System Wasn’t Enough: This Time, I Proved That the Source Was Actually Processed

How did I use Batch Guard to resolve issues with files having the same name, incorrectly processed records, and source ID problems across… Continue reading on M

Dev.to · Open Craft 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

How to Build a RAG Pipeline for an Enterprise Knowledge Base That Actually Works in Production

Retrieval-Augmented Generation (RAG) — a pattern where a language model answers questions by first pulling relevant document chunks from a search inde

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Everyone Keeps Declaring RAG Dead and It Keeps Showing Up to Its Own Funeral

There’s a genre of AI hot take that resurfaces every few months like clockwork: “RAG is dead.” I’ve seen this headline written, in some… Continue reading on Med

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

RAG (Retrieval-Augmented Generation) Nedir? “Açık Kitap Sınavına Giren Yapay Zeka”

Üniversitede beni hem şaşırtan hem çok rahatlatan bir sistemle karşılaşmıştım. Continue reading on Medium »

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Is ChromaDB Silently Killing Your RAG Accuracy?

You’ve probably seen a dozen “vector database comparison” articles by now. Most of them compare managed cloud services on someone else’s… Continue reading on Me

Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Is ChromaDB Silently Killing Your RAG Accuracy?

You’ve probably seen a dozen “vector database comparison” articles by now. Most of them compare managed cloud services on someone else’s… Continue reading on Me

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

From Toy RAG to Production RAG: Hybrid Search, Reranking and Observability

Most Retrieval-Augmented Generation (RAG) tutorials stop too early. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

From Toy RAG to Production RAG: Hybrid Search, Reranking and Observability

Most Retrieval-Augmented Generation (RAG) tutorials stop too early. Continue reading on Medium »

Dev.to · Khola Henry 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Top Data APIs for Building RAG Pipelines That Need Real-World Coverage

Most teams building RAG applications spend the majority of their time on the generation side — prompt...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

What Is RAG and What Does It Mean for You as a Marketer

Your product probably already uses retrieval augmented generation. Most marketers on the team have no idea what that means, or what it… Continue reading on AI f

Dev.to · mofuteq 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Your RAG Retrieved the Right Documents but Still Gave the Wrong Answer

Your retriever returned the right documents. The similarity scores look fine. The answer is still...

Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Evaluation and Observability: How to Know Your RAG System Is Failing Before Your Users Tell You

Advanced RAG Series — Part 5 Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Evaluation and Observability: How to Know Your RAG System Is Failing Before Your Users Tell You

Advanced RAG Series — Part 5 Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Beating “Lost in the Middle”: Unified Graph RAG on PostgreSQL

Our evaluation shows that by substituting naive chunk-based vector lookups with relationally injected context, the model’s $F_1$… Continue reading on Medium »

Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

How I Evaluated My Own RAG Pipeline (And Found Out It Was Worse Than I Thought)

I had a RAG system that “worked.” Then I measured it properly — and found a bug that was silently throwing away 70% of my best retrieved… Continue reading on Me

Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Building a RAG Pipeline from Scratch: WorldWar-II Edition

Or: How I taught an LLM to read Wikipedia and answer questions without hallucinating Continue reading on Medium »

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

Scaling RAG Applications in Production: Lessons Beyond the Demo

Retrieval-Augmented Generation (RAG) has become one of the most popular patterns for building AI applications. A typical RAG pipeline… Continue reading on Mediu

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago

RAG Is a Knowledge Supply Chain

When teams first start talking about RAG, the conversation almost always sounds too simple. Continue reading on Medium »