Trending deals you don’t want to miss.

Effortless SEO automation to boost rankings without plugins or technical headaches

deal thumbnail
ClickRank
$79.00 $690.00
4.7 (226)
Best for Bloggers

Create stunning scheduling pages and manage your bookings with advanced, enterprise-grade features

deal thumbnail
Lunacal
$59.00 $360.00
5.0 (13)
Best for Consultants

Create and optimize Google Ads campaigns with this AI-powered ad manager

deal thumbnail
Adsby
$79.00 $228.00
4.3 (23)
Best for Freelancers

Polygraf AI

Use this AI detector to check content for plagiarism, copyright issues, and other writing flaws

Sold out

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

too long didn't read
Instantly detect AI-generated content, plagiarized text, and even edits made with Grammarly
Get deeper content insights with AI highlighting and writing analysis

At-a-glance

Alternative to

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%

AI detector

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

AI highlighter

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

Copyright detector

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

Writing analysis

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!

Polygraf AI

Polygraf AI

Polygraf.ai
FoundedFounded
March 2023
HeadquartersHeadquarters
Austin, TX
Company sizeCompany size
11-50 employees
Product stageProduct stage
Expansion
Financial stageFinancial stage
Seed
Verified by Persona

In addition to our internal vetting process, we use Persona, to validate each company and founder's identity. Learn more

Updates from Polygraf AI

Company and product FAQs

Posted May 8, 2025

First post from founder

Posted May 8, 2025

Questions
Reviews

Questions & Reviews

Log in to ask a question
Greta
Greta
Price increases in 5 hours
AppSumo Select
Gretain Web builders
Develop full-stack apps and websites with AI prompts and ready-made UI components
$59/lifetime$240
Jupitrr AI
Jupitrr AI
Deal ends in 17 hours
AppSumo Select
Jupitrr AIin Video
Automatically transform your talking head videos into social clips with AI
$69/annual$216
Meiro
Meiro
Deal ends in 17 hours
AppSumo Select
Meiroin Content marketing
Use AI to customize interactive content like quizzes and tests in minutes
$59/lifetime$468
TDMARC
TDMARC
Deal ends in 17 hours
AppSumo Select
TDMARCin Email management
Protect your domain, enhance email marketing ROI, and boost deliverability
$59/annual$950
Ultimate Store Kit
Ultimate Store Kit
Deal ends in 17 hours
AppSumo Select
Ultimate Store Kitin Ecommerce
Sell more products and downloads with this Elementor-friendly WooCommerce store builder
$59/lifetime$149

Sign up

All our deals are time-sensitive! Make sure you don't miss any of our awesome limited-time offers.