Welcome to the Free AI Course by Sachin Arora — a simple, 100-day journey to learn AI from absolute scratch. No coding, no jargon, just easy Hinglish videos that take you from complete beginner to confident AI user. Each day covers one small concept, so anyone — students, professionals or business owners — can follow along. Start from Day 1 below and learn AI the simple way.
AI, ChatGPT & LLM — Explained Simply
What AI, ChatGPT and an LLM really are — cleared up with one simple tree example.
2Days 3–5How Does AI Actually Work?
Patterns, prediction, and the surprising language AI really thinks in.
3Days 6–10What Powers AI — & Is Your Data Safe?
GPUs, Nvidia and the cloud — plus how to keep your data safe with AI.
4Days 11–20The RECIPE Prompting Framework
A simple 6-step formula to get expert-level answers from any AI.
5Days 21–22Why AI Models Behave Differently
The hidden system prompt — and why ChatGPT, Claude & Gemini answer differently.
6Days 23–24 · more comingClaude Explained
Getting to know Claude and its models — new lessons on Sonnet, Opus, Code & Cowork on the way.
This entire series is free. Follow along and master AI, one day at a time.
YouTube: www.youtube.com/@whosachinarora
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Spotify: https://open.spotify.com/show/0340PHuWKkJP7Fe6wOsVvN
Linkedin : https://www.linkedin.com/in/whosachinarora/
For guest lectures, workshops, or training sessions, contact: whosachinarora@gmail.com