Two people can use the exact same AI writing tool and get wildly different quality results, and the gap almost always comes down to how the request was phrased. A few consistent habits close most of that gap.
Say who it's for
"Write a product description" and "write a product description for busy parents comparing options quickly on mobile" produce different tones, lengths, and emphasis. Naming the audience does more work than almost any other single change.
Give it a length
Without a target length, AI tools tend to default to a medium-length, generic response. Specifying "under 100 words" or "three short paragraphs" removes the guesswork and usually removes filler along with it.
Show, don't just describe, the tone
Instead of asking for "a professional tone," paste one or two sentences of the tone you actually want matched. Tools are far better at matching an example than interpreting an abstract adjective.
Ask for options, not one answer
Requesting two or three variations in a single prompt — different angles or openings — usually surfaces a better option faster than repeatedly re-running the same single-output prompt.
Iterate instead of restarting
If the first output is close but not right, it's usually faster to ask for a specific adjustment — "make the second paragraph shorter" or "less formal" — than to rewrite the entire prompt from scratch.
What prompting can't fix
No prompt phrasing substitutes for reviewing the output yourself — facts, figures, and claims generated by any AI tool should be checked before you use them, especially in anything factual or academic.