How ChatGPT Works: AI & LLMs Explained for Beginners (No Math)
How does ChatGPT actually work? In about 10 minutes, with zero math, you'll see where large language models (LLMs) fit inside AI, how your text becomes tokens, and how the model predicts the next token, one at a time.Then we cover how it learned (pre-training, fine-tuning and human feedback), why it hallucinates with total confidence, whether it really looks answers up on Google, and two simple rules for using it safely at work and school.
Everything in this video (script, voice, animation and examples) is original My CS content. Numbers marked as estimates are estimates.
▶ Full course: AI Hacking Crash Course: https://youtu.be/EWE7XVUplww
▶ Also: Cybersecurity Crash Course: https://youtu.be/OB485B3zFYc
Chapters
0:00 Intro
0:48 AI, ML and LLMs
1:52 Tokens and prediction
3:34 How it learned
5:30 Why it makes things up
7:06 Using it safely
Sources
- Reuters (Feb 1, 2023), 'ChatGPT sets record for fastest-growing user base - analyst note' (UBS estimate, Similarweb data): https://www.reuters.com/technology/chatgpt-sets-record-fastest-growing-user-base-analyst-note-2023-02-01/
- OpenAI (Nov 30, 2022), 'Introducing ChatGPT' (RLHF, trainers, limitations): https://openai.com/index/chatgpt/
- OpenAI Help Center, 'What are tokens and how to count them?': https://help.openai.com/en/articles/4936856-what-are-tokens-and-how-to-count-them
- OpenAI (Oct 31, 2024), 'Introducing ChatGPT search': https://openai.com/index/introducing-chatgpt-search/
- Mata v. Avianca, Inc., No. 22-cv-1461 (S.D.N.Y. June 22, 2023), sanctions opinion; ABA Litigation News summary: https://www.americanbar.org/groups/litigation/resources/litigation-news/2023/use-chatgpt-research-bogus-cases-sanctions/
- Bloomberg (May 2, 2023), 'Samsung Bans Staff's AI Use After Spotting ChatGPT Data Leak': https://www.bloomberg.com/news/articles/2023-05-02/samsung-bans-chatgpt-and-other-generative-ai-use-by-staff-after-leak
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