Research
What Is Machine Learning? A Plain-English Guide
Machine learning is how computers learn patterns from examples instead of following hand-written rules. Here is how it works, the main types, and where it shows up in daily life.
Emily Richardson
Emily Richardson covers how AI models work for Token & Tell, from the basics of machine learning to large language models.
Research
Tokens and Context Windows Explained
Two technical terms explain a lot about how AI assistants behave: why they forget, why long documents cost more and why usage limits exist.
Research
What Is a Large Language Model? A Plain-English Explainer
The technology behind ChatGPT, Claude and Gemini, explained without jargon: how these models learn, why they sound so fluent, and where their limits come from.
Research
Reasoning Models Explained: Why Some AI Thinks Before It Answers
Many AI models can now spend extra time working through a problem before replying. Here is how reasoning models work, when they help and when they are overkill.