Learn how an LLM receives, predicts, and generates text — and why you shouldn't think of a model as a database.
Let's think about it this way for a moment
A Large Language Model isn't a database that copies an answer out of some giant book. It's a model that has learned the probability of the next token from huge amounts of text patterns. That's why it can write beautifully and still get facts wrong.

Let's connect this to everyday life
You can use an LLM as a reasoning assistant, a summarizer, a classifier, and a content drafting tool. For anything the model couldn't possibly know — like recent events or your company's internal data — you need to supply it through context, retrieval, or a tool.
Let's try it hands-on together
User message + Instructions + Context
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Language Model
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Probable next tokens
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ResponseYou'll be able to explain an LLM's strengths and limitations to someone else.5-minute try-it
Pick a feature you'd build using an LLM, then write three columns: what the model can know, what it can't know, and what context you'd need to supply.
A quick word of caution
Don't treat AI output as the final, guaranteed-correct answer. For anything important — critical facts, code, or user data — have a human review it before you use it.
OpenAI — Text generation — OpenAI