How to Make AI Write Like You (Not Like a Robot): The Exact Process
By easyAI Team · 10 min read · 2026-03-12
You can spot AI writing in one second. "In conclusion." "It's important to note." "Furthermore." AI writes like a robot because you're not telling it how YOU write. You're giving it a topic and hoping for the best. That's like hiring a ghostwriter and never showing them anything you've written before.
Here's a five-step process that makes AI match your writing voice with about 95% accuracy. Works with ChatGPT, Claude, Gemini, or any other model.
Step 1: Collect Your Style Samples
Before you can teach AI your voice, you need to know what your voice actually sounds like on paper. Most people skip this step. They think they know how they write. They're wrong.
Go find 3-5 pieces you've actually written. Not pieces you edited from someone else. Not pieces you wrote for a client in their voice. YOUR writing. Blog posts, newsletters, social media captions, emails you're proud of — anything that sounds like you.
The pieces should be at least 300 words each. Shorter than that and the AI won't have enough data to identify patterns. If you only have 2 pieces, that works, but 3-5 is better.
Once you have them, feed them to the AI with this prompt:
Analyze these 3 writing samples and describe my writing style in detail.
Cover each of the following:
1. Average sentence length (short, medium, long, or mixed)
2. Vocabulary level (simple, intermediate, advanced, technical)
3. Tone (formal, casual, conversational, authoritative, sarcastic, etc.)
4. Use of humor (none, occasional, frequent, dry, self-deprecating)
5. Paragraph structure (short/punchy, medium, long/academic)
6. Common phrases or verbal tics I repeat
7. How I open pieces (hook style, question, story, statistic, statement)
8. How I close pieces (CTA, summary, question, forward-looking statement)
9. Use of examples (abstract vs concrete, frequency)
10. Punctuation habits (em dashes, ellipses, exclamation marks, semicolons)
Be specific. Do not generalize. Quote exact phrases from the samples
to support your observations.
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SAMPLE 1:
[paste your first piece here]
SAMPLE 2:
[paste your second piece here]
SAMPLE 3:
[paste your third piece here]Here's what the AI returned when I ran this with three of my blog posts:
> Sentence length: Mixed, leaning short. Average 8-14 words. Occasional long sentence for rhythm, but most are punchy. Fragments used deliberately for emphasis ("Not even close." / "That is the whole point.").
>
> Vocabulary: Intermediate. No jargon unless explaining a technical concept. Prefers common words over complex ones. Uses "thing" and "stuff" intentionally to stay conversational.
>
> Tone: Direct and assertive. First person throughout. Speaks to reader as "you" frequently. Confident without being arrogant. Occasional dry humor.
>
> Paragraph structure: Short. 1-3 sentences per paragraph. Never more than 4. Uses single-sentence paragraphs for emphasis.
>
> Common phrases: "Here is the thing." / "That is it." / "The result was..." / "I tested this and..."
>
> Opening style: Bold claim or specific number in the first sentence. Never starts with a question. Gets to the point within 2 sentences.
>
> Closing style: Short summary statement followed by forward-looking action. No "in conclusion."
That analysis took 30 seconds to generate. And it was accurate. I recognized my own patterns in the description. That's the test — when you read the analysis and think "yeah, that's exactly how I write," the AI nailed it.
Step 2: Create a Reusable Style Guide
The analysis from Step 1 is useful but messy. It's a description, not an instruction set. You need to convert it into a style guide that you can paste into any AI conversation and get consistent results every time.
Here's the prompt:
Based on your analysis of my writing style, create a "Writing Style Guide"
document that I can give to any AI assistant to replicate my voice.
Format it as a set of clear, direct instructions — not descriptions.
Write each rule as a command. Be specific and actionable.
Include sections for:
1. Voice and Tone Rules
2. Sentence Structure Rules
3. Paragraph Rules
4. Word Choice Rules (with specific examples of words to use and avoid)
5. Opening and Closing Rules
6. Formatting Rules
Keep it under 500 words. It needs to be concise enough to paste into
a system prompt or custom instructions field.Here's the style guide the AI created from my samples. I cleaned it up slightly, but this is essentially what it gave me:
MY WRITING STYLE GUIDE
— paste this into any AI's system prompt or custom instructions —
Voice: First person always. Talk to the reader as "you." Be direct.
State things as facts. Never hedge with "perhaps" or "it seems like."
Dry humor is fine but keep it rare — once every 500 words max.
Sentences: Most should land between 8-14 words. Use fragments for
punch. ("Not even close." / "Every single time.") Nothing over 25
words unless you absolutely have to. Mix up the rhythm — short,
short, medium, short, long, short.
Paragraphs: 1-3 sentences each. Never more than 4. Use a
single-sentence paragraph when you want something to hit hard.
Word choice: Simple words win. "Use" not "utilize." "Help" not
"facilitate." "Start" not "commence." Never say "robust,"
"streamline," "synergy," "paradigm," "innovative," or "holistic."
Use contractions for flow, full forms for emphasis. Always pick a
specific number over a vague word — "47 emails" beats "many emails."
Openings: Start with a bold claim, a specific number, or a direct
statement. Never open with a question, a quote, or a definition.
Get to the point in the first 2 sentences.
Closings: End with a short action line. Never write "in conclusion,"
"to sum up," or "final thoughts."
Formatting: Break sections with headers. Bold key phrases, not full
sentences. Put prompts and templates in code blocks.That's your style guide. Save it somewhere permanent. You'll use it in every AI interaction from now on.
Step 3: Set Custom Instructions
Now you need to put this style guide where the AI will see it every time, without you pasting it manually.
In ChatGPT: Go to Settings, then Custom Instructions. Paste your style guide into the "How would you like ChatGPT to respond?" field. Every conversation from that point forward will follow your style rules.
In Claude: Create a Project. Add your style guide as a Project instruction. Every conversation inside that project uses your voice. You can also paste it at the beginning of any conversation as a system-level instruction.
In Gemini: Use the "Gems" feature to create a custom persona. Paste your style guide as the Gem's instructions.
For any other AI: Just paste the style guide at the top of your prompt, before your actual request. Add the line: "Follow this style guide exactly for everything you write in this conversation."
The difference is immediate. Without the style guide, the AI defaults to its training — formal, hedging, wordy, full of filler phrases. With the style guide, it writes like you told it to. Because you did.
Here's a quick test to verify it's working. Give the AI a simple writing task:
Write a 100-word paragraph about why email marketing still works in 2026.
Follow my style guide exactly.Read the output. Does it sound like you? If yes, move to Step 4. If not, adjust the style guide. The most common issue is that the guide is too vague. "Be conversational" isn't specific enough. "Use first person, address the reader as 'you,' keep sentences under 15 words, and use at least one sentence fragment per paragraph" is specific enough.
Step 4: The Banned Words List
This step makes the biggest difference. AI models have a set of words they default to when generating text. You've seen them a thousand times. They're the reason all AI writing sounds the same.
Here are 20 words and phrases to ban from every AI interaction:
Add this line to the bottom of your style guide:
BANNED WORDS AND PHRASES — never use any of the following under any
circumstances: "in today's digital landscape", "it's important to note",
"furthermore", "moreover", "in conclusion", "delve", "robust",
"streamline", "elevate", "fostering", "pivotal", "paradigm", "synergy",
"navigate" (metaphorical), "holistic", "utilize", "facilitate",
"commenced", "subsequently", "it is worth noting that", "game-changer",
"cutting-edge", "revolutionary"Look at the difference when you add this to your prompt.
Before (no banned words list):
> "In today's digital landscape, email marketing remains a pivotal tool for businesses. It's important to note that this robust channel continues to deliver a strong ROI. Furthermore, by leveraging personalized content and streamlined automation, brands can navigate the complexities of customer engagement. In conclusion, email marketing is a game-changer that helps businesses foster meaningful connections with their audience."
After (with banned words list and style guide):
> "Email marketing made me $47,000 last year from a list of 2,800 people. That is $16.78 per subscriber. No other channel comes close. Social media reach keeps dropping. Ad costs keep rising. But an email lands in someone's inbox and stays there until they read it or delete it. I send 3 emails per week. Each one takes 20 minutes to write. The math works out to about $300 per hour of writing time. Show me another marketing channel with that return."
Same topic. Completely different output. The first one sounds like it was generated by a machine. The second one sounds like a human being with an opinion and real numbers.
A banned words list removes the patterns that scream "this was written by AI" and forces the model to find more specific, more natural alternatives.
Step 5: Iterative Refinement
The first output you get will be about 80% right. That's normal. No style guide, no matter how detailed, captures every detail of how you write on the first try. The remaining 20% comes from feedback.
Here's how I refine:
Round 1: Generate the content. Read it out loud. Mark every sentence that doesn't sound like you. Note what specifically feels off. Is it too formal? Too many adjectives? Wrong kind of examples?
Round 2: Give the AI specific feedback.
This is close but needs these adjustments:
- The opening is too soft. I would start with a number or bold claim, not
a general statement.
- Paragraphs 3 and 5 are too long. Break them up.
- The word "significant" appears 3 times. I never use that word. Replace
with something concrete each time.
- The examples are too hypothetical. Use specific numbers and real scenarios.
Rewrite with these changes.Round 3: The output is now 90-92% right. Read it again. If something still feels off, give one more round of targeted feedback. Usually it's a small thing — a transition phrase that sounds too academic, or a metaphor you'd never use.
Round 4 (if needed): At this point, you're at 95%. The last 5% is manual editing. Change a word here, rearrange a sentence there. This is normal. Professional writers edit their own first drafts too. AI is no different.
Each round of feedback teaches the AI more about how you write. By Round 3, the output is noticeably tighter than Round 1. Some people try to get perfection in one prompt. That never works. Plan for 3-4 rounds. Still faster than writing from scratch.
My rule of thumb: 80% AI, 20% manual polish. If you're spending more than 20% of the time editing, your style guide needs work. Go back to Step 2 and make it more specific.
Full Before/After Example
Here's the full process in action. Same topic, same AI model, same prompt. The only variable is whether my style guide and banned words list are turned on.
The prompt: "Write 200 words about why most people fail at building an online audience."
Default AI output (no style guide):
> "Building an online audience is a challenging endeavor that requires dedication and strategic thinking. In today's digital landscape, many aspiring content creators struggle to gain traction. It's important to note that consistency plays a pivotal role in audience development. Furthermore, understanding your target demographic is essential for creating content that resonates.
>
> Many individuals fail because they lack a holistic approach to content creation. They may produce sporadic content without a clear strategy, leading to diminished engagement. Moreover, the ever-evolving nature of social media algorithms presents additional challenges that can be difficult to navigate.
>
> To succeed, creators must leverage data analytics to understand what content performs best. They should also foster genuine connections with their audience through meaningful interactions. By streamlining their content pipeline and maintaining a consistent posting schedule, creators can gradually build a loyal following.
>
> In conclusion, building an online audience demands patience, strategy, and adaptability. Those who approach it with a robust plan and willingness to learn from their mistakes are more likely to achieve sustainable growth."
With my style guide and process applied:
> "Most people fail at building an audience because they talk about themselves. I tracked 50 accounts that quit within 6 months. The pattern was obvious. Every post was about their product, their story, their achievement.
>
> Nobody cares about you yet. That is the hard truth at zero followers.
>
> The accounts that grew? They answered questions. They solved problems. They gave away their best ideas for free. One account I studied went from 0 to 12,000 followers in 4 months by posting one tip per day about Google Sheets formulas. That is it. No personal brand content. No 'here is my journey' posts. Just useful information that people wanted to save and share.
>
> Build for the audience first. Build your brand second. The order matters."
Same AI. Same prompt topic. Radically different output. The first version hits every AI cliche in the book. The second version has a specific number (50 accounts), a concrete example (Google Sheets formulas), a clear opinion (nobody cares about you yet), and short paragraphs that move fast.
That's the difference this process makes.
The 5-Step Checklist
Here's the process in summary form. Bookmark this.
Total setup time: 30-45 minutes. Time saved on every piece of writing after that: 60-80%. The style guide works for blog posts, emails, social media captions, ad copy, landing pages — anything text-based.
AI is a tool. The style is yours. Teach it once, and it writes in your voice every time.
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