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Polygraf AI
Use this AI detector to check content for plagiarism, copyright issues, and other writing flaws
With all these AI tools churning out full essays, plagiarism checks have become a lot trickier. (“Your last document was just a screenshot. Now you’re formatting citations??”)
As AI evolves, so do its obvious tells, making it harder to know what’s original without turning content review into a full-time job.
If only you had an AI-powered content detector that could instantly spot AI authors, plagiarism, and other writing flaws in any content.
Meet Polygraf AI.
TL;DR
At-a-glance
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Features
Allows Existing Accounts
Overview
Polygraf AI lets you instantly detect AI authorship, plagiarism, and edits like Grammarly to maintain content authenticity.
Spot AI-generated content
Whether you’re grading students or working with freelance talent, Polygraf AI makes it easy to analyze content for AI authorship and assistance.
- Accurately identify content written by ChatGPT, Gemini, Claude, and other LLMs
- Determine if content was edited with AI tools like Grammarly
- Distinguish between human-generated and AI-generated or AI-modified content, with confidence scores between 0% and 100%
Check if your content was generated or modified by AI, with a confidence score for easy comparisons.
Pinpoint exactly which parts are AI-generated
Polygraf AI comes with easy-to-use dashboards and clear scores, so you can uncover the true author behind every single line.
- View a color-coded breakdown to see what’s been written by a person, AI-generated, or AI-modified in one piece
- Detect intentional and unintentional text edits aimed to deceive AI models, like empty spaces between words and grammatical errors
Highlight AI-generated text and spot altered content instantly.
Steer clear of copyright issues
On top of that, this content detector also flags copyright issues, helping you catch traditional plagiarism on the same interface.
- Detect the source of any content, with URLs and exact sentence or phrase matches
- Trace machine-generated text back to the source material used to train AI models
Flag copied content and trace it back to the original source.
Plus, Polygraf AI helps you take your writing to the next level, so you don’t have to rely on AI quick-fixes to polish your tone, fix grammar, or fake clarity.
- Get insights into your writing structure, including readability, vocabulary richness, average sentence length, and average word length
- Check out your team’s writing stats so you know exactly what to improve
Measure readability, vocabulary, and flow to strengthen your writing skills.
Polygraf AI has everything you need to verify content authenticity, flag plagiarism, and sharpen your writing—all on one powerful platform.
Spot AI-generated content with confidence.
Get Polygraf AI at its lowest price!
Plans & features
Deal terms & conditions
- Choose between Lifetime or 1 year access
- All future Standard (Lifetime Tier 1) or Premium (Annual Tier 1) Plan updates
- If Plan name changes, deal will be mapped to the new Plan name with all accompanying updates
- No codes, no stacking—just choose the plan that’s right for you
- You must activate your license within 60 days of purchase
- Ability to upgrade between 2 license tiers while the deal is available
- Ability to downgrade between 2 license tiers within 60 days of purchase
60 day money-back guarantee. Try it out for 2 months to make sure it's right for you!
Features included in all plans
- AI detector
- Source detector
- Writing analysis
- Content humanizer
- Cognitive flow index