AI & Authenticity

How to make AI writing sound human (without sounding like a robot)

You can feel it within a line or two. The post is grammatically perfect, structurally tidy, and completely forgettable. It reads like it was assembled, not written. On LinkedIn, where everyone is now using the same three tools, that sameness is a liability — the moment a reader clocks "this is AI," they stop trusting the person behind it.

The good news: the things that make AI writing sound robotic are specific and fixable. Here is what gives it away, and how to fix each one.

Why AI writing sounds like AI

Large language models are trained to produce the most probable next word. "Most probable" is, almost by definition, the most average — and average is exactly what makes writing feel generic. A few recurring tells:

• Uniform rhythm. Every sentence is roughly the same length. Real people write in bursts — a long thought, then a short punch.
• Throat-clearing intros. "In today's fast-paced world…", "In the ever-evolving landscape of…" — words that say nothing while the post warms up.
• Hedging. "It's important to note that", "can be a powerful tool", "plays a crucial role." Confident people make claims; models qualify everything.
• List bloat. Five tidy bullet points where one sharp sentence would do.
• No specifics. Generic nouns and zero concrete details — no names, numbers, dates, or moments only you would know.
• No position. The post surveys both sides and commits to nothing. It informs; it never argues.

Notice that none of these are grammar problems. AI writing fails on voice and stakes, not correctness. So that is where the fixes live.

Seven fixes to make AI writing sound human

1. Start from a real moment, not a topic

"Write a post about resilience" produces sludge. "Write about the Tuesday I almost shut the company down and what the call with my co-founder sounded like" produces something only you could publish. The specific moment carries the detail, the emotion, and the credibility automatically. Feed the model the scene, not the theme.

2. Cut the first two sentences

AI almost always opens with throat-clearing. Delete the warm-up and start where the tension is. If your post still makes sense without its opening lines — and it usually does — those lines were filler. The strongest hook is often the model's third sentence.

3. Break the rhythm on purpose

Take the draft and deliberately vary sentence length. Chop one long sentence into three. Let a two-word sentence stand alone. This is what writers call burstiness, and it is the single fastest way to make a paragraph feel written by a person instead of generated by a machine.

4. Replace the AI vocabulary with yours

Models reach for a tell-tale lexicon: "leverage," "delve," "navigate," "unlock," "realm," "testament to," "in conclusion." Swap them for the words you actually use out loud. If you would never say "leverage synergies" to a friend at a bar, do not let it ship on your profile.

5. Add one detail only you would know

A number, a name, a place, a time of day, a thing someone actually said. One concrete detail does more for credibility than a paragraph of polish. "We grew fast" is AI. "We went from 3 to 40 customers in the eleven weeks after that demo" is you.

6. Take an actual position

The most human thing you can do is disagree with something. Pick the conventional wisdom in your field and push against it. A post that argues gets read, remembered, and replied to. A post that summarizes gets scrolled past — and reads like it was written by a committee, because statistically, it was.

7. Read it aloud

This is the test that catches everything else. Read the draft out loud. Anywhere you stumble, wince, or would never actually say that sentence to a colleague — rewrite it. If it does not sound like you talking, it will not read like you wrote it.

The faster way: make the AI match your voice in the first place

Every fix above is editing — catching the robot after it has already written like one. That works, but it is slow, and most people give up and ship the generic version anyway. The better approach is to stop the generic draft from reaching you at all.

That is the entire idea behind Positionly. Instead of a blank box that spits out average copy, it is an AI coach that learns how you actually write — your rhythm, your openings, your lexicon, your tics — and refuses to hand you a draft until it sounds like you.

• Voice DNA learns your signature from your own posts and the way you actually talk — never from AI text.
• A Voice Match score (visible, on a 10-point scale) tells you how close each draft is to sounding like you, before you publish.
• A silent Quality Gate kills generic hooks, weak payoffs, and AI-mush rhythm automatically — the very tells listed above.
• When a draft falls short, the coach does not ship it. It rewrites, or asks you one sharp question to pull out the specific detail that was missing.

The result is the opposite of generic AI content: posts that sound like the smartest version of you, written in about the time it takes to answer a few questions.

The bottom line

AI is a fine first draft and a terrible final one. The tells — uniform rhythm, throat-clearing, hedging, no specifics, no position — are predictable, which means they are fixable. Edit for voice and stakes, not grammar. Or skip the editing and use a tool built to protect your voice from the start. Either way, the goal is the same: writing that could only have come from you.