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 5,307 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. You can filter by level (beginner, intermediate, advanced) and duration to find the right fit.

RAG & Vector Search Lessons — Free AI Learning

Dev.to · david 🔍 RAG & Vector Search ⚡ AI Lesson 1h ago

Zero-Trust RAG: Defeating the Shared Private Link Deadlock in Azure Terraform

Your Terraform pipeline is green. The deployment completes without errors. You grab a coffee. Ten...

Dev.to · Seenivasa Ramadurai 🔍 RAG & Vector Search ⚡ AI Lesson 1h ago

Choosing the Right RAG Strategy A Complete Decision Guide to Chunking, Agentic RAG, and GraphRAG

Introduction Here is a scenario many RAG builders know well, you wire up a pipeline, load...

Dev.to · retrovirusretro 🔍 RAG & Vector Search ⚡ AI Lesson 2h ago

The simplest self-hosted RAG you'll ever set up (Apache 2.0, 20K stars)

Most RAG tools make you choose between simplicity and power. MaxKB doesn't try to be powerful — it...

Dev.to · retrovirusretro 🔍 RAG & Vector Search ⚡ AI Lesson 2h ago

Tencent just released a RAG framework and nobody's talking about it

In April 2026, Tencent's WeChat team released WeKnora as open source. MIT licensed. Ollama support...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 17h ago

RAG is a knowledge interpreter. Time for a compiler — Compile-Time RAG

Compile-Time RAG moves retrieval outside the request path: knowledge compilation builds task-optimized artifacts once, instead of fetching… Continue reading on

Dev.to · vigneshwar 🔍 RAG & Vector Search ⚡ AI Lesson 1d ago

I Spent 6 Months Fixing RAG. Here's What I Found (And Built)

This is the story of a debugging session that turned into a research paper. The Bug That Started...

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

Building Production-Grade RAG: A Complete Architecture Guide

Moving beyond the “embed, retrieve, generate” demo every component you need to ship a reliable, observable, enterprise-ready RAG system. Continue reading on Med

Dev.to · soy 🔍 RAG & Vector Search ⚡ AI Lesson 1d ago

Building a Hybrid RAG in 200 Lines — SQLite + FTS5 + sqlite-vec + RRF

A complete walkthrough of a production-shaped hybrid retrieval system in a single Python file. BM25 keyword search via FTS5, dense vector search via sqlite-vec,

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

Chunking Is Easy. Parsing Is Hard.

Why Your RAG Pipeline Is Reasoning Over Broken Data. Continue reading on Medium »

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

Chunking Is Easy. Parsing Is Hard.

Why Your RAG Pipeline Is Reasoning Over Broken Data. Continue reading on Medium »

Dev.to · Anna Danilec 🔍 RAG & Vector Search ⚡ AI Lesson 2d ago

RAG Evaluation with RAGAS: Measuring Faithfulness, Context Precision, and Recall in Production

Key takeaways: RAGAS gives you four core metrics that split RAG failures into retrieval vs....

Dev.to · saurabh naik 🔍 RAG & Vector Search ⚡ AI Lesson 2d ago

Chunking for RAG: stop tuning the wrong knob

A practical chunking playbook for RAG: why semantic splitters disappoint, what chunk size + overlap actually buy you, and a small eval harness in Python.

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

Your RAG Pipeline Isn’t Broken. Your Chunks Are.

When I first heard about RAG, it sounded almost too straightforward. Take documents, chunk them, store them in a vector database, retrieve… Continue reading on

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

Your RAG Pipeline Isn’t Broken. Your Chunks Are.

When I first heard about RAG, it sounded almost too straightforward. Take documents, chunk them, store them in a vector database, retrieve… Continue reading on

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

From parsed PDFs to search-ready chunks: trying Databricks ai_prep_search for RAG

A hands-on walkthrough of using ai_parsed_document v2.0 and ai_prep_search to turn parsed documents into vector-search-ready chunks. Continue reading on Medium

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

Engineering RAG Systems That Actually Work: Conversational Retrieval, Page Awareness & Debugging (Part 5)

<img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2F

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

RAG- Understanding of Embedding

What is Embedding? After text is split into chunks, the next process is called embedding. In this step, each chunk is converted into vectors (points in vector s

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

My first time building with TigerGraph GraphRAG

A few notes from solo-building SanctionTrace for the TigerGraph GraphRAG hackathon about what worked, what didn’t, and the forty-eight… Continue reading on Medi

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

I Benchmarked 3 RAG Pipelines on 4 Datasets. GraphRAG Won — But Not How I Expected.

A live benchmark of LLM-Only, Basic RAG, and TigerGraph GraphRAG across 2,335 documents stored on TigerGraph Cloud. Continue reading on Medium »

Dev.to · Sujatha 🔍 RAG & Vector Search ⚡ AI Lesson 3d ago

lexgraph

I Benchmarked GraphRAG vs Basic RAG on 70,000 Indian Supreme Court Judgments — Here's What...

Dev.to · Spicy 🔍 RAG & Vector Search ⚡ AI Lesson 3d ago

Your RAG Pipeline Is Failing 40% of Queries. Here's the Fix.

You deployed a RAG pipeline. You tested it. You shipped it. Then a real user asked a multi-step...

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

Beyond Vector Search: Real-World RAG Patterns on AWS

Recently, I successfully cleared the AWS Generative AI Developer — Professional (Early Adopter) certification. This certification goes… Continue reading on Medi

Dev.to · feminist 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago

The Answer Is an Edge, Not a Sentence — Building a Topology-Native GraphRAG Intelligence Platform with TigerGraph

How we built Shadow Network Intelligence — a GraphRAG-powered fraud investigation platform that...

Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago

Cómo construí un sistema RAG para convertirme en Red Teamer con IA — proyecto en Evolve

Llevo meses trabajando en algo que empezó como una necesidad práctica y se ha convertido en la base de mi estrategia para entrar en el mundo del Red Team: un si

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

What is RAG and Why Every AI App Needs It

The secret behind AI that actually knows what it’s talking about. Continue reading on Medium »

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

I Spent 3 Hours Building Something That Would Have Taken My Team 3 Weeks. It’s Called RAG.

Six months ago, a colleague sent me a Slack message that changed how I think about AI. Continue reading on Artificial Intelligence in Plain English »

Dev.to · sydney muganda 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago

Building RAG Assistant: A I Built a Desktop RAG Chatbot From Scratch — Here's Everything I Learned

This week I moved past basic tutorials to build a structured, package-based desktop RAG application...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago

The Smart Student’s Guide to RAG: From Giant Textbooks to Grounded Answers

Introduction: Meet Meera and the Open Book Exam Continue reading on Medium »

Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago

How to Evaluate RAG Applications

The Moment I Realized My RAG Was Confidently Wrong Continue reading on GoPenAI »

Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago

RAG Chunking Is Not About Length — It Is About Preserving Meaning

Cutting a long document into fixed-size chunks looks harmless until the most important sentence lands exactly on the boundary. Continue reading on Medium »

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago

The Future of RAG: Dead, Evolving… or Becoming the Brain of AI?

From naive retrieval to Agentic RAG, Graph RAG, memory systems, and multimodal AI — here’s where RAG is actually heading next. Continue reading on Medium »

Dev.to · Yoshiki Fujiwara(藤原善基)@AWS Community Builder 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago

Smart Routing, Transfer Family Ingestion, and Voice Chat — Permission-Aware RAG v4.2

What This Post Covers This is a companion article to the FSx for ONTAP S3 Access Points...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago

Most Companies Doing GenAI Are Really Just Doing RAG: RAGOps Explained for analysts

Why retrieval-augmented generation, not agents, is the project your steering committee is actually approving in 2026, and what the RAGOps… Continue reading on M

Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago

RAG - Sliding Window, Token Based Chunking and PDF Chunking Packages

Sliding Window Chunking Sliding Window Chunking is a more intensive chunking mechanism. In this method, a window size is defined based on a character or token l

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago

Ever Wondered How to Make Your RAG More Effective?

Stop Searching. Start Connecting. Continue reading on Medium »

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

Why StarRocks Is Better Than Elasticsearch for RAG and AI-Powered Vector Search Analytics

The rise of large language models has made Retrieval-Augmented Generation (RAG) one of the most consequential data architecture patterns… Continue reading on Me

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

Production RAG: Shipping a RAG System Into an Enterprise Product

Retrieval, grounding, evaluation, and the operational realities that show up only after the demo is over. Continue reading on Medium »

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

HyDE: Search With the Answer You Wish You Had

Why a question is a bad search query Continue reading on Medium »

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

Hierarchical Indices: Find the Section First, Then Find the Sentence

How a human actually searches a long document Continue reading on Medium »

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

Hybrid Search Explained: Why Smart RAG Uses Both Keywords AND Meaning

A beginner-friendly guide to how modern RAG combines keyword search and semantic search for better retrieval accuracy. Continue reading on Medium »

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

RAG Series (15): CRAG — Self-Correcting When Retrieval Falls Short

The Knowledge Base Boundary Problem Previous articles optimized retrieval quality — better...

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

Secure RAG on Google Cloud: From Private Data to Safe Answers

Most RAG demos look safe because they are small. Continue reading on Google Cloud - Community »

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

Secure RAG on Google Cloud: From Private Data to Safe Answers

Most RAG demos look safe because they are small. Continue reading on Google Cloud - Community »

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

RAG Has a Relationship Problem

Vector stores are the default starting point for most RAG pipelines. Fast, easy to set up, good enough for factual lookups over a single… Continue reading on Me

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

Production Reranker Layer for RAG in Python: Cross-Encoder, Cohere Fallback, and Reciprocal Rank Fusion (Runnable Code)

I shipped my fifth RAG pipeline to production in February. Top-10 recall@10 was 0.94. The team ran a...

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

RAG Series (14): Self-RAG — Let the Model Decide Whether to Retrieve

The Hidden Assumption in Traditional RAG Traditional RAG pipelines never question one...

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

RAG Ki Wiring : Maine Chunk Size 2000 Rakha Tha — Aur Meri RAG Mar Gayi

Socha tha bada chunk matlab zyada context, zyada context matlab behtar jawab. Realiity ne thappad maara. Text Splitters ki woh baatein jo… Continue reading on M

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

Building a Production RAG Backend for Enterprise Knowledge Bases: Architecture, Decisions, and…

How I designed and built a retrieval-augmented generation system that ingests from Document360 and SharePoint, stores embeddings in Aurora… Continue reading on