Two people give an AI the same information and get wildly different results. The difference usually is not the prompt's cleverness — it is how the information was laid out. A wall of pasted text and a cleanly structured version produce noticeably different answers, even from the same model. This is the cheapest quality upgrade available, and it takes about ten minutes to learn.
Why format matters at all
AI models read structure as meaning. When you label a section "Client background" or separate three requirements into a numbered list, you are telling the model how the pieces relate. Dump everything into one paragraph and the model has to guess at the boundaries — and it guesses wrong more often than you would like. Clear structure removes that guesswork.
Label the parts, don't bury them
Before you paste a chunk of material, put a short header on it: "Here is the email thread," "Here is our pricing," "Here is what I want you to produce." Those few words tell the model what each block is for. The same applies to your instructions — keep the task, the context, and the format you want as clearly separate pieces rather than one run-on request.
Markdown is just plain text with signposts
You do not need to learn a markup language. A handful of conventions covers almost everything: a line starting with "#" is a heading, a "-" starts a bullet, a pair of asterisks marks emphasis. Most AI tools read these instantly. Writing your context with a few headings and bullets is enough — you are giving the model a map instead of a paragraph.
Use tables and lists for anything structured
If your information is naturally a grid — products and prices, tasks and owners, options and tradeoffs — give it to the model as a table or a list, not a sentence. Structured input produces structured, more reliable output, and it makes errors easier to spot when you check the result.
The caveat
Formatting helps the model understand you; it does not make the answer correct. A beautifully structured prompt with a wrong assumption buried in it still gets you a wrong answer, faster. Read the output the same way you always should.
Try this once today: take a request you would normally type as one paragraph, break it into a "Context" header, a "Task" header, and a "Format I want" line, and compare the result. The difference tends to make the habit stick.