AI assistants have gone from novelty to everyday tool with startling speed, and they are genuinely helpful for drafting, summarising, brainstorming and explaining. They are also confidently, fluently wrong on a regular basis — and the fluency is exactly what makes the errors dangerous. Using them well is a skill, and it starts with understanding what they actually are.
An AI assistant predicts plausible text; it does not "know" facts the way a database does. That single insight explains both its remarkable usefulness and its characteristic failure mode.
What to check, always
Because these tools generate plausible-sounding text rather than verified truth, treat any factual claim, statistic, quotation, legal or medical statement, or citation as unverified until you check it. They can invent references that look real, misremember details, and state falsehoods with total confidence. For anything that matters — a health decision, a legal question, a number you will act on — the AI is a starting point, never the final source.
The reliable pattern is to use the assistant for structure, phrasing and first drafts, then verify every load-bearing fact against a trustworthy source. It is a fast, tireless intern, not an oracle.
What not to share
Be deliberate about what you type in. Depending on the service and its settings, your conversations may be stored and, in some cases, used to improve the system. Treat the chat box like a semi-public place: do not paste passwords, financial account details, other people's personal data, confidential work documents, or anything you would be uncomfortable seeing leaked. Where a service offers a setting to exclude your chats from training, and you care, turn it on.
This is not a reason to avoid the tools — it is a reason to use them like any other cloud service you do not fully control: useful, but not the place for your secrets.
Where they shine, and where to skip them
AI assistants are strongest where being roughly right and fast is more valuable than being authoritative: rewording an email, explaining a concept in simpler terms, generating ideas to react to, summarising a long document you will still skim yourself. In those roles they save real time.
Skip them, or lean on them only lightly, where confident errors are costly and hard to catch: precise medical or legal advice, exact figures, anything about very recent events, and situations where you cannot verify the output. Used within its lane, an AI assistant is a genuine productivity gain; used as a substitute for judgement, it is a liability wearing a friendly face.