AI can draft a post in seconds. The trouble is that most AI drafts sound alike. They reach for the same phrases, the same structure and the same safe tone, and readers have learned to skim past them.

The Content Marketing Institute's 2026 trends round-up reflects this. Its experts named a human voice, quality over volume and visibility in AI-driven search as the ways brands will stand out as AI-written content fills every channel.

The voice has to be written down

A brand voice that lives in one person's head cannot guide AI. It has to be written down in a form the AI can use. I call this a voice file. One page is enough to start.

  • Reader. Who you write for, and what they care about.
  • Tone. Three words that describe the voice, each with an example sentence.
  • Words. Terms the brand uses, and phrases it never uses.
  • Samples. Three pieces that sound exactly right.
  • Rules. Spelling, punctuation and length for each channel.

Every time an editor fixes a draft, add the fix to the file. The file gets better every week, and so do the drafts.

One point per piece

The fastest way to make AI content feel generic is to ask it to cover everything. I brief each post around one point for one reader, stated in the first line. If I cannot say the point in one sentence, the post is not ready to draft.

The system behind 100+ original posts a year

I run a company's content, brand and marketing as a one-person function, and I publish 100+ original social posts a year. The system that makes it possible works like this. AI drafts the copy and graphic for each post from a tone-of-voice standard. Every post moves through a review checklist that covers the graphic, the copy and the first comment. It then passes through a set status path: draft, awaiting approval, changes required, approved, scheduled and published. A director approves every post before it goes out.

The AI does the heavy drafting. People decide what gets published. That split is what keeps the voice consistent at volume.

Five checks before anything publishes

  • One point. Can you say it in one line?
  • Banned words. Search the draft for the brand's list.
  • Proof. Every claim has a source you can show.
  • Read it aloud. Voice is easier to hear than to see.
  • Sign-off. The approver checks it before it goes out.

Write your one-page voice file this week and run your next five drafts through it. I would love to hear what changes.

Download the two-page guide: Keep one voice (PDF), Guide 6 in the Director's Chair series. It is free to share with your team.