Text written by an AI has habits, and people have learnt to spot them. The fix is not to swap words for synonyms. It is to change the habits.
A note before we start: this page is about writing that reads well to the person getting it. It is not about fooling a detector for work you are meant to write yourself. If a school or employer asks for your own words, write your own words.
The habits that give it away
- It explains itself. An intro saying what it is about to do, and a conclusion saying what it did.
- Everything comes in threes. Three adjectives, three reasons, three bullet points, whatever the content needs.
- Even rhythm. Every sentence about the same length, every paragraph about the same size.
- Stock words. "Delve", "navigate", "tapestry", "crucial", "it's worth noting". None is wrong. Together they are a signature.
- Hedging everywhere. "It may be helpful to consider." A person says what they think.
- No specifics. General statements where a person would give the actual date, name or number.
- Too polite for the reader. A reply to a friend that reads like it is going to a customer.
How to rewrite it
- Cut the first and last paragraph and see if you miss them. You usually do not.
- Say the actual thing. Replace each general line with the specific fact behind it.
- Break the rhythm. Let a sentence be four words long. Join two others.
- Drop the stock words. Use the plain word you would say out loud.
- Match the reader. Write the length and tone you would use with this person.
- Read it aloud. Anything you would not say, change.
Doing it with Hemmingway
Hemmingway is a model trained to write like a person in the first place, so the draft starts closer. Paste in the stiff version and say "make this sound like me", and give it anything it should know about who it is for. It rewrites it once, gives you only the text, and keeps the facts you gave it without adding new ones.
Its favourite job, in its own words, is taking a rough note and making it sound like you. In our blind tests, a judge asked "which of these did a person write?" picked Hemmingway-1's version more often than any other model's, including Fable 5.1 and GPT-6 Astra. The numbers are here.
Or test your eye
Spot the AI gives you two texts, one by a person and one by Hemmingway. See if you can tell.