AI 'n Skills - Page 4 of 4 - AI & Machine Learning Explained

Yitzkak Agu · Mar 20

RAG Explained: What Retrieval-Augmented Generation Actually Is (And How to Build It)

RAG explained from scratch — how Retrieval Augmented Generation works, how to build it, and when to use it.

Machine Learning 8 min read

Yitzkak Agu · Mar 18

I Fine-Tuned an LLM on My Own Data — Here’s Exactly What Happened

I fine-tuned an LLM on my own data using Llama 3.1 and Unsloth. Honest results, costs, and lessons learned.

Machine Learning 7 min read

Yitzkak Agu · Mar 16

I Ran AI Models Locally for a Month — Here’s What I Learned

30 days running AI models locally instead of ChatGPT and Claude. Performance, privacy, cost comparison and verdict.

Machine Learning 7 min read

Yitzkak Agu · Mar 13

The 7 Best Free AI Tools You Should Be Using in 2026

The best free AI tools in 2026 — tested and compared. From writing to coding to image generation, find what’s worth using.

AI Tools & Reviews 6 min read

Yitzkak Agu · Mar 13

What is AI RAG? Meaning, Definition, and How It Works

RAG explained simply — how Retrieval Augmented Generation helps AI get facts straight and reduce hallucinations.

Machine Learning 4 min read

Yitzkak Agu · Mar 13

What Is a Large Language Model? A Plain-English Guide

Large Language Models explained in plain English — what LLMs are, how they work, and why they matter for developers.

Large Language Models 7 min read