Core AI

RAG & Vector Search

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

5,069
lessons
Skills in this topic
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RAG Basics
beginner
Chunk documents with LangChain or LlamaIndex
Vector Stores
intermediate
Set up Pinecone, Weaviate, or pgvector
RAG Evaluation
intermediate
Run RAGAS evaluation on a RAG pipeline
Advanced RAG
advanced
Build a hybrid BM25 + dense retrieval pipeline
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RAG Ki Neev: Jab Meri RAG Ne Bakwaas Jawab Diya, Toh Dosh LLM Ka Nahi Tha
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG Ki Neev: Jab Meri RAG Ne Bakwaas Jawab Diya, Toh Dosh LLM Ka Nahi Tha
Har RAG project ka pehla ghanta loaders pe jaata hai — aur aksar yahi decide karta hai ki system production mein tikega ya nahi. Continue reading on Medium »
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LangChain vs LlamaIndex: 1M Document Query Speed Test
Dev.to · TildAlice 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
LangChain vs LlamaIndex: 1M Document Query Speed Test
The 47-Second Query That Shouldn't Exist My RAG pipeline hit a wall at 800K documents....
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I built ORAG - an organizational RAG and MCP platform in TypeScript
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
I built ORAG - an organizational RAG and MCP platform in TypeScript
I spent the last couple of weeks building something I kept wishing existed: a platform that takes your organization’s internal data docs… Continue reading on Me
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Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Building a RAG Agent for Pharmacy Stock Optimization with Gemini, ChromaDB and LangGraph
Introduction FarmaStock AI is an academic Generative AI project focused on a real-world problem: how to make pharmacy stock analysis easier to understand and ex
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RAG Fundamentals and Architecture: Building AI That Actually Knows Things
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG Fundamentals and Architecture: Building AI That Actually Knows Things
Advanced RAG Series — Part 1 This series is for anyone building production AI systems — from beginners encountering RAG for the first… Continue reading on Mediu
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A 5-Minute Crash Course on RAG
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
A 5-Minute Crash Course on RAG
Learn how RAG works and why it reduces hallucinations Continue reading on Towards AI »
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A 5-Minute Crash Course on RAG
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
A 5-Minute Crash Course on RAG
Learn how RAG works and why it reduces hallucinations Continue reading on Towards AI »
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Evaluating RAG Systems: Measuring Retrieval Quality, Grounding, and Hallucinations
Dev.to · Abhi Chatterjee 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Evaluating RAG Systems: Measuring Retrieval Quality, Grounding, and Hallucinations
Part 3 of a series on building reliable AI systems In Part 1, we explored why testing AI systems...
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Generative AI: Why the Next Revolution Will Not Be Only About LLMs, but About Agentic RAG Systems
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Generative AI: Why the Next Revolution Will Not Be Only About LLMs, but About Agentic RAG Systems
Since the rise of large language models, generative AI has deeply changed the way we search, summarize, analyze, and produce information… Continue reading on Me
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Your AI Can’t Answer This Question. This Can…
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Your AI Can’t Answer This Question. This Can…
Standard RAG is great at finding facts. It has no idea how they connect. GraphRAG is built for the questions that actually require… Continue reading on Level Up
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Confluence RAG Explained: How to Get AI Answers from Your Wiki Pages
Your team’s knowledge is already in Confluence. RAG is what makes it answerable. Continue reading on Medium »
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Vector Database Tutorial: Building Smart AI Agents with RAG
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Vector Database Tutorial: Building Smart AI Agents with RAG
You’re staring at your AI agent’s lackluster responses, wondering why it keeps hallucinating facts about your company’s products. Continue reading on Medium »
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Vector Databases Comparison: Pinecone vs Chroma vs Weaviate (2026)
Dev.to · Serhii Kalyna 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Vector Databases Comparison: Pinecone vs Chroma vs Weaviate (2026)
Choosing a vector database is one of the first decisions in any RAG project. Three options dominate...
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Advanced RAG: What Nobody Tells You About Making It Work in Production
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Advanced RAG: What Nobody Tells You About Making It Work in Production
Your chunks are fine. Your pipeline isn’t. Continue reading on Medium »
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Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Chunking Strategies in RAG: Small Choice, Huge Impact
If RAG systems feel inconsistent, the problem is often not the LLM. Continue reading on Medium »
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Building a RAG pipeline without OpenAI
Dev.to · Akhilesh 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Building a RAG pipeline without OpenAI
RAG stands for Retrieval Augmented Generation. The idea is simple: before your model answers a...
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The Real Final Boss of Production-Grade RAG Is the PDF
Hackernoon 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
The Real Final Boss of Production-Grade RAG Is the PDF
Standard RAG systems often become hallucination engines because naive PDF parsing destroys document structure. We solved this by implementing layout-aware parti
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Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Build Your First RAG Pipeline From Scratch (Without Hiding the Math)
In the first post, we talked about why RAG exists. Continue reading on Medium »
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10 RAG Architecture Mistakes Fintechs Make in Production
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
10 RAG Architecture Mistakes Fintechs Make in Production
This article was originally published on JustSoftLab Insights. Continue reading on Medium »
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10 RAG Architecture Mistakes Fintechs Make in Production
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
10 RAG Architecture Mistakes Fintechs Make in Production
This article was originally published on JustSoftLab Insights. Continue reading on Medium »
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Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG isn’t dead. But it isn’t enough either.
A PoC of RAG vs. Long Context vs. Context Engineering on enterprise knowledge — and what we learned Continue reading on Medium »
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG isn’t dead. But it isn’t enough either.
A PoC of RAG vs. Long Context vs. Context Engineering on enterprise knowledge — and what we learned Continue reading on Medium »
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Vector Index Cold Start: Why Your First Query Takes 8 Seconds
Dev.to · Gabriel Anhaia 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Vector Index Cold Start: Why Your First Query Takes 8 Seconds
First-query latency on vector DBs. Why HNSW loads lazy + four warm-up patterns that stop the 8-second cold-start tax.
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What I Learned Measuring My Own RAG System
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
What I Learned Measuring My Own RAG System
Most RAG projects ship without quantitative evaluation. I built one and found that two of nine metrics still fail after fixes. Here’s the… Continue reading on M
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What I Learned Measuring My Own RAG System
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
What I Learned Measuring My Own RAG System
Most RAG projects ship without quantitative evaluation. I built one and found that two of nine metrics still fail after fixes. Here’s the… Continue reading on M
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What I Learned Measuring My Own RAG System
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
What I Learned Measuring My Own RAG System
Most RAG projects ship without quantitative evaluation. I built one and found that two of nine metrics still fail after fixes. Here’s the… Continue reading on M
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Gemini File Search Just Killed Half Your RAG Stack — Here’s What’s Left in 2026
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Gemini File Search Just Killed Half Your RAG Stack — Here’s What’s Left in 2026
Multimodal File Search with Gemini Embedding 2 collapses Pinecone, ChromaDB, OCR, and embedding pipelines into one API call. The economics… Continue reading on
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How I solved the riddles of RAG
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
How I solved the riddles of RAG
These past months I have been exploring the domain of RAG and agentic AI. There are a lot of topics being discussed right now and a lot of… Continue reading on
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I Audited LangChain’s RAG Quickstart — 5 of 6 Queries Failed Distributional Tests
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
I Audited LangChain’s RAG Quickstart — 5 of 6 Queries Failed Distributional Tests
What happens when you run a distributional auditor against the canonical RAG demo: rank inversion, score miscalibration, and three… Continue reading on Medium »
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I Increased Retrieval From Top-5 to Top-20. My Answers Got Worse
Dev.to · Md Ayan Arshad 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
I Increased Retrieval From Top-5 to Top-20. My Answers Got Worse
The standard advice for improving RAG retrieval quality is: retrieve more candidates, then filter...
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From 2-Hour Manual Regression to 4-Minute Playwright Automation for RAG Memory Tests—and 80% Fewer Misses
Dev.to · BAOFUFAN 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
From 2-Hour Manual Regression to 4-Minute Playwright Automation for RAG Memory Tests—and 80% Fewer Misses
At 1 a.m., a colleague sent me a screenshot: a user had said, “My name is Xiao Ming, remember I take...
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Why RAG Fails in Production… And Not Where You Think
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Why RAG Fails in Production… And Not Where You Think
I asked a simple question. My RAG system gave the wrong answer…confidently! Continue reading on Medium »
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Beyond Retrieval: What It Actually Takes to Build RAG That Works
Medium · NLP 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Beyond Retrieval: What It Actually Takes to Build RAG That Works
A research perspective on the unsolved problems in production RAG systems, with lessons from building a multilingual financial assistant… Continue reading on Me
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Beyond Retrieval: What It Actually Takes to Build RAG That Works
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Beyond Retrieval: What It Actually Takes to Build RAG That Works
A research perspective on the unsolved problems in production RAG systems, with lessons from building a multilingual financial assistant… Continue reading on Me
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Beyond Retrieval: What It Actually Takes to Build RAG That Works
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Beyond Retrieval: What It Actually Takes to Build RAG That Works
A research perspective on the unsolved problems in production RAG systems, with lessons from building a multilingual financial assistant… Continue reading on Me
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Graph RAG Isn't a One-Shot Anymore — The Case for Agentic Graph RAG MCPs
Dev.to · Ryosuke Tsuji 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Graph RAG Isn't a One-Shot Anymore — The Case for Agentic Graph RAG MCPs
Hi, I'm Ryan, CTO at airCloset. Over my last few posts, I've introduced internal MCP servers we've...
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Vectorless Agentic RAG Is Quietly Replacing Traditional RAG Architectures
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Vectorless Agentic RAG Is Quietly Replacing Traditional RAG Architectures
Everyone in AI keeps talking about: Continue reading on Medium »
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Why I Chose Markdown as the Foundation of my RAG Pipeline
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Why I Chose Markdown as the Foundation of my RAG Pipeline
Markdown is the missing layer in most RAG Pipelines. Continue reading on Artificial Intelligence in Plain English »
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Beyond RAG: When Retrieval Stops Being Enough
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Beyond RAG: When Retrieval Stops Being Enough
A few months ago I was helping a colleague debug a nasty issue in a distributed system. Continue reading on Medium »
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RAG Series (9): When RAG Gives Bad Answers — Root Cause Diagnosis with RAGAS
Dev.to · WonderLab 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG Series (9): When RAG Gives Bad Answers — Root Cause Diagnosis with RAGAS
"It Feels Off" Is Not a Diagnosis You've deployed a RAG system. Users are saying the...
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Built a RAG System From Scratch and Finally Understood Why Everyone Is Talking About It
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Built a RAG System From Scratch and Finally Understood Why Everyone Is Talking About It
A beginner-friendly walkthrough of Retrieval-Augmented Generation, with real code you can run. Continue reading on Medium »
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Your RAG Pipeline's Memory Will Disappear. Here's What We Built Instead.
Dev.to · Divine Evna Olong 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Your RAG Pipeline's Memory Will Disappear. Here's What We Built Instead.
If you've built a RAG pipeline, you've already rented your AI's memory from someone else. Pinecone...
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What is RAG and How Does It Work with Modern AI Systems?
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
What is RAG and How Does It Work with Modern AI Systems?
A practical guide to Retrieval-Augmented Generation — the architecture pattern powering enterprise AI, coding agents, and the next… Continue reading on Jonathan
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CFS: Conditional Field Subtraction
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
CFS: Conditional Field Subtraction
selects relevant candidates by subtracting regions already covered by previous picks. Continue reading on Medium »
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Don’t Over‑Engineer Your RAG Pipeline
RAG is having a moment. Everywhere I look, I see diagrams with ten different components: vector databases, graph databases, multi‑agent… Continue reading on Med
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Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG in Production: What Nobody Tells You
The demo always works. You pick a handful of well-formatted documents, ask exactly the question your data was built to answer, and the LLM… Continue reading on
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Day 11: Conversational RAG — How to Chat with Your Documents 💬
Dev.to · Rushank Savant 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Day 11: Conversational RAG — How to Chat with Your Documents 💬
Yesterday, we built a RAG chain that could answer a single question. But if you followed up with "Can...
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RAG Series (8): RAG Evaluation System — Speaking with Data
Dev.to · WonderLab 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG Series (8): RAG Evaluation System — Speaking with Data
Why "It Feels Fine" Is Not a Standard In the previous seven articles, we built a complete...
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