What AI Actually Is
Large Language Models in Plain English
What you'll learn
- →Understand what large language models like ChatGPT, Claude, and Gemini actually do: predict the next word.
- →Learn how predicting the next word, done millions of times, produces what looks like reasoning.
- →Recognize why this explanation matters more than any technical jargon.
Proof task
Don't just watch. Do.
Open a free LLM (ChatGPT, Claude, or Gemini). Type the start of a sentence and stop. Watch how it completes it. That's the entire trick — done very fast and at very large scale. Try three different starts and notice the patterns.
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Chapters
Jump to a moment.
- 0:00The hook
- 1:15The pattern
- 2:45The interrupt
- 4:30Practice scenario
- 5:30The proof task
Up next in What AI Actually Is
Keep going.
Reflect
“If an LLM is just predicting the next word, why does it feel like it understands you?”