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 5,062 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

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

The DevTools AI Deserves: Debugging RAG & Memory Systems at Scale

Chrome DevTools for AI Memory. See what your RAG pipeline remembered, what it forgot, and exactly why it hallucinated. Continue reading on Medium »

ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1mo ago

Cordon-MAS: Defending RAG against Knowledge Poisoning via Information-Flow Control

arXiv:2605.26754v1 Announce Type: cross Abstract: Retrieval-augmented generation (RAG) increasingly underpins high-stakes applications, yet remains vulnerable t

Dev.to · Ramya Perumal 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

RAG - Sparse Embedding

Sparse means thinly spread, scattered, or not dense. In sparse embeddings, chunks are converted into...

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Why Your RAG Demo Doesn’t Survive Production

The data-readiness gap that nobody talks about — and the methodology that fixed our 40% accuracy drop Continue reading on Medium »

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

Why Your RAG Demo Doesn’t Survive Production

The data-readiness gap that nobody talks about — and the methodology that fixed our 40% accuracy drop Continue reading on Medium »

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

Stop Using a Single Retrieval Method: Build a Smarter RAG Pipeline

A deep dive into seven retrieval strategies: dense, BM25, hybrid, HyDE, RRF, MMR and re-ranking. Continue reading on Medium »

Dev.to · Akhilesh 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

98. RAG: Give Your AI Access to Your Documents

You ask ChatGPT about your company's internal policies. It makes something up. It sounds confident....

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

Production RAG with Gemini: Five Things the Tutorials Skip

Chunking, reranking, cost control, hallucination defenses, and the evaluation loop — five lessons from running a customer-facing RAG… Continue reading on Medium

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

Why Naive RAG Fails in Production — Building an Agentic LangGraph Assistant for SAP

A deep-dive into building a 7-node agentic RAG assistant for SAP S/4HANA procurement, with every design decision explained. Continue reading on Medium »

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

Building RAG Systems That Don’t Lie: What I Learned the Hard Way at Work

My data engineering background made me confident going into RAG. That confidence lasted about two weeks. Continue reading on Medium »

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

Building RAG Systems That Don’t Lie: What I Learned the Hard Way at Work

My data engineering background made me confident going into RAG. That confidence lasted about two weeks. Continue reading on Medium »

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

DocuMind: Building a Production-Grade RAG System That Actually Works

Most RAG systems work perfectly in tutorials. Very few survive first contact with production. Continue reading on Medium »

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

Top 5 Mistakes Developers Make While Building RAG Apps

The rise of Retrieval-Augmented Generation has completely changed how modern AI applications are built. Continue reading on Medium »

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

From PDFs to AI‑Ready Data: Docling vs OpenDataLoader Explained

Estimated Reading Time: 25 minutes Continue reading on Medium »

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

Building a Production-Grade Multi-Agent RAG Architecture: A Complete Blueprint

8 Axes, 7 Layers, 33 Components: A Production-Grade Multi-Agent RAG Architecture Continue reading on Medium »

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

Stop Settling for AI “hallucinations”

If your firm is exploring GenAI, the term you need to know is RAG (Retrieval-Augmented Generation). I’ve been testing various systems for… Continue reading on A

ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1mo ago

Leveraging Spreading Activation for Improved Document Retrieval in Knowledge-Graph-Based RAG Systems

arXiv:2512.15922v3 Announce Type: replace Abstract: Despite initial successes and a variety of architectures, retrieval-augmented generation systems still strug

Hackernoon 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Backpressure, Cancellation, and Channels in WorkIt

A naive RAG pipeline pulls 281 docs to deliver 25. Real backpressure pulls 40. How WorkIt paces the producer to consumer demand in Node.js & TypeScript.

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

One Article, One Maggi, The Entire RAG Pipeline — Everything In One Go

Maggi takes 2 minutes, RAG takes one article. Water boiled — hallucination understood. Masala dropped — documents loaded. Noodles in —… Continue reading on Medi

Dev.to · Mukunda Rao Katta 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

My RAG system slowly got worse for three months and nobody noticed.

A composable drift detector for RAG and agent systems. Five orthogonal dimensions, one DriftReport, bring your own embedder and time-series store.

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Weaviate is a powerful open-source vector database with a rich feature set that goes well beyond…

ChromaDB: The Developer’s Local-First ChoiceVector Databases Compared: Pinecone vs. Weaviate vs. ChromaDB for RAG Continue reading on Medium »

Hackernoon 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Meet the Writer: Hacker Noon's Contributor Vineet Vijay, Lead AI Engineer

Vineet Vijay found 40 K-mismatched vectors silently breaking his RAG system. Here's what he learned, and what he's writing about next.

Dev.to · Lars 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

turbovec: Local RAG Without the 60 GB Tax

A 1536-dimensional float32 embedding is 6 KB. A corpus of 10 million documents is roughly 60 GB of...

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

I Built RAG Systems for Enterprises — Here’s the Learning Path I Wish I Had

A complete guide to moving from toy demos to production-ready RAG systems Continue reading on CodeX »

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

Your AI Didn’t Hallucinate. It Just Looked in the Wrong Place First.

The unglamorous machinery that decides whether your RAG app is brilliant or useless and why almost everyone blames the wrong component. Continue reading on Medi

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

Don’t let a billion RAG docs drown your 25-result pipeline

Last time we showed how to terminate non-cooperative CPU work at the worker boundary. This article stays cooperative but adds the missing… Continue reading on M

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

Retrieval Strategies in RAG: Beyond Basic Similarity Search

Your RAG system finds documents. But is it finding the RIGHT documents? Here’s how to make retrieval actually work. Continue reading on Medium »

Dev.to · AdmilsonCossa 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Don't let a billion RAG docs drown your 25-result pipeline

Backpressure For Streaming Pipelines Last time we showed how to terminate non-cooperative...

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

RAPTOR: A Tree of Summaries So Queries Find Their Right Level

Two queries, two different needs Continue reading on Medium »

ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1mo ago

Through the Stealth Lens: Attention-Aware Defenses Against Poisoning in RAG

arXiv:2506.04390v2 Announce Type: replace-cross Abstract: Retrieval-augmented generation (RAG) systems are vulnerable to attacks that inject poisoned passages i

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

Building a RAG Platform on AWS- Offline Ingestion + GenAI Deployment

In this article, I’ll walk through a production-oriented AWS architecture for building an end-to-end RAG ingestion and retrieval platform… Continue reading on M

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

Document Parsing for Production RAG: Architecture, Tradeoffs, and When to Use What

Text extraction is a solved problem. But enterprise documents aren’t just text — they are visual hierarchies. They contain nested lists… Continue reading on Med

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

Production RAG Is Not a Vector Search Problem

Why vector search alone quietly fails — and how hybrid retrieval, re-ranking, and real evaluation fixed it. Continue reading on Medium »

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

A Tiny RAG Security Test: What Happens When the Knowledge Base Is Poisoned

It was not just mine; everyone’s feed was filled with screenshots where people noticed something interesting in Google search- search for… Continue reading on M

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

A Tiny RAG Security Test: What Happens When the Knowledge Base Is Poisoned

It was not just mine; everyone’s feed was filled with screenshots where people noticed something interesting in Google search- search for… Continue reading on M

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

The Two Speeds of AI in ODC: Why RAG and Agent Development Are Not the Same Build

I have been building applications with the OutSystems platform for almost 10 years now. Continue reading on Medium »

Dev.to · foxck016077 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

SQLite FTS5 won't tokenize Chinese — here's the 7-line bigram fix that did

I shipped a personal RAG bot spike in 25 minutes. SQLite FTS5 with unicode61 returned 0 hits for every Chinese query. Bigram preprocessing made it work without

Dev.to · Dave Graham 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

How to Evaluate Your RAG Pipeline

RAG has two places to fail: retrieval and generation. Most teams only catch one. Here's the complete...

Dev.to · Haji Rufai 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Building a RAG Document Q&A System with Hybrid Retrieval (No Embeddings API Needed)

Building a production-quality RAG (Retrieval-Augmented Generation) system taught me one thing: the...

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

From Zero to RAG: How I Built My First AI Pipeline with FAISS, Groq & FastAPI

A hands-on builder’s account of designing a Retrieval-Augmented Generation system from scratch — the architecture, the decisions, and the… Continue reading on M

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

Designing RAG for Financial Documents: When a Single Wrong Number Can Cost Millions

In most AI demos, hallucinations are amusing. Continue reading on Medium »

Dev.to · VLSiddarth 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Why RAG Pipelines Silently Hallucinate — And The Decay Score That Catches It Before The LLM Does

Your RAG pipeline has a blind spot. It is not your embeddings. It is not your retrieval algorithm. It...

Dev.to · SapotaCorp 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Why hybrid search is the boring default we keep recommending

A team came to us frustrated that their semantic search was missing exact product codes like 'GPT-4o' even though those tokens appeared in the indexed content.

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

What Is Reciprocal Rank Fusion and Why I Used It in My RAG System

When you build a system that retrieves information before generating an answer, your first real problem is not the generation — it is the… Continue reading on M

Dev.to · SapotaCorp 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Four production pitfalls that turn RAG demos into broken chatbots

A perfect 50-question demo on Tuesday. By the second week of production, users were filing tickets faster than the team could close them. The model had not chan

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

I tried hybrid retrieval on my RAG. It made things worse.

I built a semantic retrieval system over Australian federal tax law. ~1,400 legal documents, 38,000 chunks, embedded with… Continue reading on Medium »

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

Building a Production RAG Ingestion Pipeline on AWS: Unstructured.io, S3 Vectors, and a Private VPC

When Bedrock Knowledge Bases hit its production limits, I built a private, self-hosted alternative that actually scales. Continue reading on Towards AWS »

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

Building a Production Hybrid RAG: Why I Threw Out the LangChain Recipe

19 components, 274 tests, an evaluation framework with actual math, and a hallucination rate that dropped from 12% to 3%. Here’s the… Continue reading on Medium