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 4,932 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 4w 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 4w 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 4w 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 4w 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 4w 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 4w 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 4w 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 4w 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 4w 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 4w 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,

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

Why Your RAG Pipeline Is Silently Failing — And What the Math Actually Tells You

This is not a tutorial. This is a post-mortem — written after building a production RAG system from scratch and watching it fail in ways… Continue reading on Me

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

Why Your RAG Pipeline Is Silently Failing — And What the Math Actually Tells You

This is not a tutorial. This is a post-mortem — written after building a production RAG system from scratch and watching it fail in ways… Continue reading on Me

Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

Why Does RAG Need a Vector Database? Actually, It Doesn’t

Vector databases are useful, but they are not the whole RAG architecture. The mistake is thinking embeddings magically solve retrieval… Continue reading on Medi

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

Why Does RAG Need a Vector Database? Actually, It Doesn’t

Vector databases are useful, but they are not the whole RAG architecture. The mistake is thinking embeddings magically solve retrieval… Continue reading on Medi

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

I Spent 6 Months Building RAG Systems. Here Is Everything Nobody Told Me.

If you think RAG is just “plug your documents into a vector DB and call GPT-4”, you are about to have a very humbling experience. Continue reading on Medium »

Dev.to · Charles 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

How I benchmarked a 100% local RAG pipeline to 9/9 (zero API keys)

Most "chat with your documents" demos work in an afternoon. Then you hit the last 20%: retrieval that...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

The Complete Evolution of RAG: From Naive Retrieval to Autonomous AI Agents

How GraphRAG, Self-RAG, DSPy, and Multi-Agent Systems Are Redefining Enterprise AI Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

The RAG Memory Problem: Why TurboVec Might Be More Important Than Another Bigger LLM

The Rust-powered vector index that skips the “study your data first” phase Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

Beyond the Million-Token Window: Why Your 2026 Agents Need a Filter

In 2024, we celebrated the death of RAG (Retrieval-Augmented Generation) because context windows finally hit 1M tokens. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

I Got Tired of Reading Strangers’ Codebases, So I Built an AI That Reads Them For Me

Every developer knows this feeling: you open a repo you’ve never seen before — maybe for a new job, a contribution, an audit, or just… Continue reading on Mediu

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

The Algorithm That Makes AI Search Actually Work

From RAG systems to Netflix recommendations — here is what is really happening under the hood Continue reading on Medium »

Hackernoon 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

Your RAG System Might Be Confidently Wrong

Most RAG confidence scores only describe the model output. They do not tell you whether the retrieved index was fresh, whether the source changed after indexing

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

The Vector Search Blind Spot: Restoring Unity Catalog ABAC in Databricks RAG Pipelines

By: Abhishek K., Principal Sovereign Systems Architect Continue reading on Medium »

Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

I Built a RAG System and Barely Thought About AI

When you start working on AI-powered applications, the conversation around you is almost entirely about models. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

I Built a RAG System and Barely Thought About AI

When you start working on AI-powered applications, the conversation around you is almost entirely about models. Continue reading on Medium »

Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

Stop Building RAG Apps the Wrong Way

Most engineers are copy-pasting the same broken pattern. Here’s what actually works in production. Continue reading on Towards AI »

Reddit r/learnprogramming 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

Any resources to learn Advanced RAG?

I want to learn some advanced RAG topics. So far I've learnt the basics of RAG, hybrid RAG, using RBAC and all. How do I go about learning more advanced topics

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

The AI Series : RAG in Production: What the Tutorials Never Tell You

Most RAG articles will show you how to build a pipeline. This one shows you where it quietly breaks — and why nobody talks about that part. Continue reading on

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

Why Your RAG Chatbot Keeps Hallucinating (And the 3 Fixes Nobody Mentions)

Part 1 of the “AI That Actually Works” series. It’s not the model. It’s your retrieval. Continue reading on Medium »

Medium · NLP 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

Why Your RAG Chatbot Keeps Hallucinating (And the 3 Fixes Nobody Mentions)

Part 1 of the “AI That Actually Works” series. It’s not the model. It’s your retrieval. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago

Building a Baseline RAG Evaluation Framework (and Why You Should Have One)

If you’ve built a Retrieval-Augmented Generation (RAG) system, you’ve probably asked yourself: ”Is this actually any good?” Eyeballing a… Continue reading on Me

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

The RAG Handbook: Everything AI Engineers Need to Know

If you want to be in the top 10% understanding RAG, you need to understand both the theory and the engineering tradeoffs. Continue reading on Medium »

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

CodeOwner Bot: Building a Production RAG System with Gemini at Scale

An engineer’s deep dive into building an AI-powered code understanding system that answers 2M architectural questions daily, runs at 99.9%… Continue reading on

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

RAG Evaluation: Begin Your Journey from Here.

Everything you need to stop flying blind and start measuring what actually matters. Continue reading on Medium »

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

Designing a RAG That Knows “Similar” From “Exact”

Why one search method is never enough for a real knowledge base Continue reading on Medium »

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

Advanced RAG : Why Naive RAG Fails & How Advanced RAG Fixes It

A complete technical breakdown of every failure point in basic RAG pipelines — and the strategies modern systems use to fix them. Continue reading on Medium »

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

RAG Explained: How Modern AI Systems Actually Retrieve Knowledge (In Real Time)

The Questions That Started It All Continue reading on Medium »

Reddit r/LocalLLaMA 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago

Alternatives to ChromaDB for easy RAG search

I'm disappointed that ChromaDB's local, free "single node" version is still getting second-class, hand-me-down features while the "distributed" version (a SaaS

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

Orchestrating the Machine: Mitigating Vector Drift with Airflow ETL and Dynamic RAG Pipelines

A production blueprint for syncing relational state, automating semantic data updates, and monitoring embedding decay at scale. Continue reading on Medium »

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

Beyond Basic RAG (Part 3): Agentic RAG, CRAG, Self-RAG and GraphRAG Explained | M012 | Mehul Ligade

Part 3 of a 3-Part RAG Series Continue reading on Towards AI »

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

Introduction to RAG with .NET 10

Retrieval-Augmented Generation (RAG) is easily one of the most powerful architectural patterns in modern software development. Continue reading on Medium »

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

Before You Build RAG: Finding the Questions Worth Solving

Most enterprise RAG discussions start in the wrong place. Continue reading on Medium »

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

Your RAG App Keeps Missing the Right Answer. Here’s Why.

Part 3 of 10, Becoming an AI Engineer Continue reading on Medium »

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

Your RAG App Keeps Missing the Right Answer. Here’s Why.

Part 3 of 10, Becoming an AI Engineer Continue reading on Medium »

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

Your RAG App Keeps Missing the Right Answer. Here’s Why.

Part 3 of 10, Becoming an AI Engineer Continue reading on Medium »

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

Financial NL-to-SQL RAG

Ask questions about your banking database in plain English — powered by LangGraph, Ollama (Gemma4), and PGVector running entirely on local… Continue reading on

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

How Automating RAG Memory Tests with ChromaDB Quadrupled Our Bug Discovery Rate

At 2 a.m., our ops group chat exploded — “The support bot is mixing up historical orders from the...

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

RAG in Production : Navigating the Production-Grade Journey

Pages out of a practitioner’s notebook on building retrieval systems that hold up in production, drawn from live enterprise wikis… Continue reading on The Intel