A thread you can test
Core Principles
5 notes move from the word to a real choice at work — understand it first, then decide whether to use it.
Each note stands alone, or becomes the next step in this thread.
THE QUESTION THIS PAGE ANSWERS
ANSWER FIRSTWhat is Core Principles, and which AI decisions does it change?
What does 15T Tokens look like? Corpus composition visualization + data-scale intuition slider This page keeps the related concepts, common mistakes, and practical notes in one reading thread.
First decide whether you are blocked by a definition, a choice, or verification; then choose the closest of the 5 notes below.
Start with “AI's Food: Training Data,” then restate the conclusion using your own task.
Do not treat every method in a topic as interchangeable. The answer changes with the input, risk, and acceptance bar.
THIS QUESTION THREAD
Put the word back inside the choice it changes.
AI's Food: Training Data
What does 15T Tokens look like? Corpus composition visualization + data-scale intuition slider
Training vs Inference: Two Different Processes
Conversations are not learning; parameters are frozen; billing is per Token — essentials every AI PM must know
Vocabulary & Training
From corpus to word-pair matrices: Tokenization + attention-weight interactive demo
Base Model: A Token-Predicting Machine
What do you get after training? Step-by-step generation with live probability distribution updates
The GPT Breakthrough: PreTraining Changes Everything
Interactive comparison of CNN / RNN / BERT / GPT, with memory-decay visualization