Show HN: MyWritingTwin: an AI Writing Profile that makes LLMs sound like you

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My Writing Twin β€” Create an AI That Writes Like You<br>πŸ‡ΊπŸ‡ΈEnglish

SYS //STYLOMETRY.ENGINE<br>v2.0<br>Computational Stylometry<br>Your Emails. Your Reports. Your LinkedIn.All in Your Voice β€” Not the AI's.<br>Executives and professionals spend hours fixing AI drafts that don't sound like them. A Writing Profile captures your exact style across formats and languages β€” then deploys it on ChatGPT, Claude, Gemini, or any AI tool you already use.<br>Dimensions

50+<br>Style Markers

80%<br>Less Rewriting

Create Your Writing Profile β€” FreeOne profile. Every AI tool. No monthly fee.

Field Report<br>β€œI send it to every AI I use. My team can't tell which emails I wrote and which the AI drafted.”<br>β€” β€” VP Sales, Enterprise SaaS

Problem Analysis<br>The Problem with AI Writing

You've tried using ChatGPT for emails. Claude for documents. Gemini for drafts.<br>They all have the same problem: they don't sound like you.<br>Every output needs heavy editing. The tone is off. The transitions are wrong. It uses words you'd never use. And it adds em-dashes everywhere.<br>You end up spending almost as much time fixing AI drafts as you would writing from scratch.

Worse if you're multilingual:

01Your English is direct and confident<br>02Your Japanese needs the right level of keigo<br>03Your French has a different rhythm entirely

No AI tool handles this. You're stuck switching voices manually, losing time, losing consistency.

Cost Analysis<br>The Hidden Cost of Generic AI

Every email you rewrite is time you'll never get back.<br>Let's do the math:<br>20 emails per day x 5 minutes of editing = 100 minutes lost daily

That's 8+ hours per week fixing AI output

Over a year: 400+ hours β€” ten full work weeks

And that's just email. Add Slack, documents, presentations...<br>The real cost isn't just time. It's cognitive load.<br>Constantly switching between "what AI wrote" and "what I would actually say" is exhausting. It fragments your focus. It slows you down.<br>You didn't adopt AI to work harder.

Methodology Overview<br>See How It Works<br>45 seconds to understand how My Writing Twin captures your unique writing style

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Research-Backed Methodology<br>Introducing MyWritingTwin: Your AI Writing Twin System

MyWritingTwin is a complete methodology for capturing your authentic writing style. Built on computational stylometry, the same science used in forensic linguistics to identify anonymous authors. Our 7-dimension analysis framework extracts 50+ style markers that make your writing uniquely yours.<br>Read the research whitepaper: 50+ academic citations from peer-reviewed sources.

01<br>Collect Your Writing DNA

Guided questionnaire identifies your communication contexts<br>Templates help you gather the right writing samples<br>Works for any language, any context

02<br>Extract Your Unique Patterns

7-dimension analysis: tone, rhythm, vocabulary, sentence construction, cultural markers, language-specific patterns, signature elements<br>Quantitative metrics: sentence length stats, vocabulary diversity (TTR), function word frequencies<br>Culture-specific patterns (Japanese keigo, French tu/vous, formality levels)

03<br>Generate Your Writing Twin

Dual-output system: comprehensive guide + optimized runtime block<br>Writing Style Profile: 6-8K tokens of personalized writing analysis (learn from this)<br>Runtime Block: 3-4K tokens optimized for deployment (deploy with this)

04<br>Deploy Anywhere

Works with ChatGPT, Claude, Gemini, or any LLM<br>Auto-detects context: email vs Slack, internal vs customer, English vs Japanese<br>Your style, every time

Comparative Analysis<br>Before vs After

Before My Writing TwinAfter My Writing TwinAI output feels roboticOutput reads authentically like you10+ minutes editing each emailQuick review, minimal editsDifferent style across platformsConsistent style everywhereLanguage switching is jarringSeamless multilingual outputContext blindness (same tone for CEO and team)Auto-detects audience and adaptsWasted AI subscriptionAI that actually saves time

Free β€” No Credit Card Required<br>Try Your Free Writing DNA Snapshot

See a preview of your unique writing style profile β€” completely free. Our Writing DNA Snapshot analyzes your writing patterns, tone, and personality markers in seconds.

Instant writing style analysis<br>Personality & tone indicators<br>AI readiness score<br>Shareable snapshot card<br>Get Your Free SnapshotNo account required β€” just paste your writing

Famous Authors' Writing DNA<br>Every Writer Has a Unique Fingerprint

See how literary legends score across six dimensions of writing style. Discover which famous author writes most like you.

Ernest Hemingway<br>The Efficient Communicator

Jane Austen<br>The Precision Architect

Virginia Woolf<br>The Diplomatic Narrator

Ernest Hemingway<br>The Efficient Communicator

Writing DNA

terse proseshort declarative sentencesminimal adjectivesiceberg theory

Fun FactHemingway wrote standing up and aimed to write 500 words per day.

Discover Your Writing TwinFree 2-minute quiz β€” no signup required<br>See all writing styles β†’

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writing style analysis profile like time

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