LLMs (large language models) are the engines behind tools like ChatGPT. Articles in this topic explain how they work without going into the maths, and what that means for the answers you get.
LLMs
Large language models (LLMs) power tools like ChatGPT. This topic explains what they are, how they work in everyday terms, and where their limits show up.
Latest in LLMs
All topics →What are AI hallucinations?
Why AI tools sometimes confidently produce things that aren't true, and how to spot it.
19 Feb 2026 · 1 min read
How AI actually works (and why it sometimes gets things wrong)
AI is a prediction tool, not a thinking tool. A clear explanation of how AI actually works, and why it sometimes gets things wrong.
12 Feb 2026 · 3 min read
What does "GPT" in ChatGPT actually mean?
What "GPT" in ChatGPT actually stands for, in plain English. Why understanding the name helps you use the tool sensibly.
5 Feb 2026 · 2 min read
What is ChatGPT?
A short, practical introduction to ChatGPT: what it is, what it can do, and what to keep in mind when you use it.
29 Jan 2026 · 1 min read
What is an LLM?
Large Language Models in plain English: what they are, what they do, and where they fall short.
22 Jan 2026 · 1 min read