A chat assistant is a box you type into, and it answers in full sentences. You can ask it to explain something, write something, fix something you wrote, or think through a problem with you.
It is the front door to everything else on this site. If you only ever use one AI tool, it will be one of these.
Our picks
checked sep 2026. we say what each one is bad at on purpose.
Start herehas a free plan
ChatGPT
good at
The one most people already have. Writing, explaining, planning, and now images and voice in the same app.
bad at
Confident when it is wrong. It will invent a fact or a source if you do not ask it to check.
Open ChatGPT, paste this in, and change the parts in brackets. That is the whole first step.
Explain something you half understand
copy it, paste it into the tool, change the parts in [brackets]
Explain [something you half understand, like how a mortgage works] to me like I am smart but new to it. Use plain words, keep it under 200 words, and end with the one question I should ask next.