AI Content Detectors

See also: Guides and Artificial intelligence applications

Originality.ai

Originality.ai is a top AI content detection tool that offers both AI and plagiarism detection in one platform. Its dashboard provides highly accurate results, making it a preferred choice among AI content detection tools.

Features

AI detection: Originality.ai detects AI-generated texts from various AI text generation models, such as GPT-3, GPT-3.5 (DaVinci-003), and ChatGPT, with an accuracy rate of approximately 94%.
Plagiarism detection: The tool scans for plagiarism and AI concurrently, highlighting any plagiarized content.
URL scanning: Users can add multiple URLs or domains as projects within the Originality.ai dashboard, avoiding manual copy and paste tasks.
Team collaboration: Originality.ai allows adding multiple team members to an account for easy resource sharing and access to previous scanning results.
Chrome extension: The Originality.ai Chrome extension enables users to scan for AI-generated texts without visiting the platform's dashboard.
Simultaneous plagiarism scanning and domain scanning are key advantages, while occasional misidentification of AI-generated text as human-written and slightly higher pricing compared to some free AI detection tools are drawbacks.

Pricing

Originality.ai adopts a pay-as-you-go pricing model at $0.01 per credit, with each credit able to scan up to 100 words. Users can monitor their credit balance in real-time and enable auto-renewal from the dashboard. The minimum purchase is $20 for 2,000 credits.

OpenAI AI Text Classifier

OpenAI AI Text Classifier is an AI detection tool developed by the creators of the advanced AI transformer models, ChatGPT and GPT-3. The solution is designed to help businesses, marketers, and educators quickly identify if a piece of text was generated by AI.

Features

Rigorous Training: OpenAI Text Classifier has been rigorously trained on text from 34 different sources, including OpenAI itself, human-written texts from Wikipedia, Reddit posts, and demonstrations obtained from an earlier OpenAI system.
Intuitive Interface: The interface makes AI detection straightforward, requiring users to simply copy and paste the text they want to examine into a box and press "submit" to get their results.
Free Accessibility: By offering the Text Classifier free of charge, OpenAI enables everyone to access advanced technology while fostering innovation.

Pricing

OpenAI Text Classifier is currently available free of cost.

GPTZero

GPTZero uses the latest advancements in language models to accurately identify AI-written texts. With its innovative approach to text analysis based on perplexity and burstiness, GPTZero offers a more sophisticated and precise method for detecting AI-generated content. However, in comparison with Originality.ai, GPTZero's AI detection can be somewhat vague and confusing.

Features

Perplexity-based AI detection: GPTZero measures text randomness using its perplexity score, where higher scores indicate human influence.
Burstiness assessment: The tool evaluates sentence lengths' uniformity and distribution structure, known as burstiness, to determine the likelihood of human writing.
Phrase indication: The latest update highlights AI-generated phrases within the text and identifies the sentence with the highest perplexity score.

Pricing

Free up to 5k characters per upload
$9.99 for educators - up to 50k characters per upload, 1 million words per month
$19.99 for super users - up to 50k characters per upload, 2 million words per month
API access for additional fees

ContentAtScale

ContentAtScale aims to provide an all-in-one solution for content concerns, helping users increase content production and ensure content authenticity. In a comparison with Originality.ai, ContentAtScale achieved an average detection accuracy of 46%, while Originality.ai scored 79.14%.

Features

Easy scoring: ContentAtScale simplifies AI probability scoring for quick and easy understanding without technical complications.
AI detection for individual users: Although ContentAtScale does not support team collaboration for its AI detection tool, the platform remains an excellent choice for individual users.
Full range of services: Premium membership packages grant access to a wide selection of content sourcing and scanning services through ContentAtScale.

Pricing

AI detection tool: Free

Hugging Face

Hugging Face is a well-known NLP platform that offers various models for tasks like text classification, named entity recognition, and language generation. It uses AI content detection tools to evaluate content authenticity and the probability of AI involvement.

Features

GPT-2 output detector: Hugging Face employs the GPT-2 model to identify specific patterns and language structures, determining if GPT-2 generated the text.
Enhanced NLP performance with RoBERTa: The tool is built on the widely used Transformers library and incorporates the RoBERTa model, which trains on large datasets for improved NLP performance.
Customized fine-tuning for better results: Users can fine-tune the pre-trained model on their data, leading to higher accuracy and improved outcomes for specific scenarios.
Hugging Face is free, user-friendly, and offers straightforward distinction between real and fake text. However, it has a lengthy waiting time for analyzing large text blocks, limited reliability, and lacks plagiarism scanning features.

Pricing

Hugging Face is an open-source project available for free.

Gltr.io

Gltr.io is a tool aimed at identifying AI-generated text by comparing text patterns to a dataset of human-written text, assigning a score based on the likelihood of human or AI authorship.

Features

Simplified AI detection: Gltr.io leverages OpenAI's GPT-2 117M language model for easy identification of AI-generated text.
Visual Language Analysis: The tool's visual forensic feature presents language patterns in a colorful, easily understood format, enabling users to quickly determine the patterns' relative dominance.
In-Depth Text Breakdown: Gltr.io's histogram function provides a visual breakdown of a text's language patterns, making it simple to identify patterns indicative of AI generation.
Gltr.io is a free tool offering quick detection and visual representation of results. However, it may be initially challenging to understand and does not support URL scanning.

Pricing

Gltr.io is free to use, and its source code is available on GitHub for further development.

Writer.com

Writer.com is a comprehensive writing service platform that offers AI text detection, writing support, plagiarism detection, quality control, backlink analysis, SEO scoring, and more. In a comparison with Originality.ai, Writer.com achieved an average detection accuracy of 26.71%, while Originality.ai had an accuracy of 79.14%.

Features

AI-detection made simple: Writer.com's user-friendly interface allows users to easily utilize its AI detection tool by pasting text or URLs for analysis.
Team management and collaboration: The platform supports team collaboration, allowing up to five team members to scan up to 500,000 words per month. Paid memberships provide access to additional writing tools, such as assisted writing and plagiarism detection.
Clear AI scoring: Writer.com employs a straightforward scoring system, expressed as a percentage of human-generated content. A score of 100% indicates the text is entirely human-written.

Pricing

Basic AI detection: Free, up to 1500 characters per search
Team: $18 per user/month (up to five users)
Enterprise: Custom pricing

Willieai.com

Willieai.com is a specialized solution for identifying AI-generated content with ease and accuracy. The platform provides a quick and effective way to monitor websites or pages. In a comparison with Originality.ai, Willieai scored 32.29% detection accuracy, while Originality.ai scored 79.14%.

Features

Effortless AI Detection: Willieai offers a seamless solution to identify AI-generated content, providing a unified score that shows the percentage of AI text.
All-in-One Domain Monitoring: The platform's consolidated domain score allows users to easily save and scan their entire website, keeping an eye on several factors affecting domain authority.
Complete Site Coverage: Willieai's site-wide scanning helps users stay ahead of Google's content updates, ensuring that even a single AI-generated page won't affect the website's reputation.

Pricing

Free: $0, up to two sites
Paid Plan: $249/month, URL and domain audits
Enterprise: $499/month, Daily domain auditing

CopyLeaks

CopyLeaks has long been a popular choice for plagiarism detection in the content editing industry, and recently, they have expanded their capabilities to include AI content detection. In a side-by-side comparison with Originality.ai, CopyLeaks achieved an average detection accuracy of 34.83%, while Originality.ai scored 79.14%.

Features

Convenient AI detection: CopyLeaks offers a simple interface for checking AI-generated content. Users can paste or enter text and receive an AI probability score within seconds.
Efficient browser extension: The CopyLeaks browser extension allows users to easily check online pages for AI-written content without the need for manual copy-pasting.
Integration options: CopyLeaks provides LMS and API integration for agencies and educators, making it easy to integrate with websites or learning management systems.

Pricing

CopyLeaks offers its AI content detection tool for free.

PoemOfQuotes

PoemOfQuotes provides a quick and simplified method for detecting AI text in short-form content. The tool allows users to upgrade to a more advanced, paid version of AI detection for scanning larger content pieces. In a comparison test with Originality.ai, PoemOfQuotes detected AI text in four of seven sample articles, whereas Originality.ai detected AI content in six of seven articles.

Features

GPT-3 Detection: PoemOfQuotes can detect content generated by GPT-3, the advanced language processing model from OpenAI, as well as GPT-2.
Recommendations for Advanced Tools: PoemOfQuotes may not be sufficient for all users, as it only allows checking 50 to 200 words at once. However, they recommend advanced AI detection tools to better serve users' needs.
Swift Scanning: Scanning text for AI-generated content is quick and straightforward, without the need to sign up for a paid version.

Pricing

PoemOfQuotes is free to use but has a minimal word count and allows a maximum of four content scans per session.

DetectGPT Chrome Extension

The DetectGPT Chrome extension can quickly identify AI content within the text users are browsing.

Features

GPT language models: DetectGPT has been trained on several GPT language models for solid detection accuracy.
Manual checking: Users can copy and paste up to 50 words and scan the content with DetectGPT.
Easy operation: DetectGPT can be set for automatic or manual operations, depending on user preference.

Pricing

DetectGPT is available as a free extension for Chrome and Edge browsers.

On-Page.ai

On-page.ai is an innovative platform designed to help users identify and manage AI-written content on their websites. The platform's advanced AI detection system scans entire websites or individual documents to detect any AI-generated text, allowing users to have complete control over such content on their websites.

Features

URL scanning: With the On-page.ai scanning tool, users can add multiple URLs for simultaneous scanning, saving time and effort.
Detailed AI detection report: The dashboard provides a quick view of AI presence reports for scanned documents and pages.
Competitor analysis: On-page.ai also offers valuable competitor insights, making it easy for users to make informed decisions about their content and the use of specific SEO keywords in their articles.

Pricing

SEO Lite: $129 per month
SEO Standard+: $229 per month
SEO Advanced+: $299 per month

All plans include the AI detection tool.

GPTradar

GPTradar is an AI text detection service that assists writers and content creators in ensuring their work complies with Google's guidelines. The service's sophisticated algorithms utilize OpenAI GPT-3 to analyze text and run complex calculations to determine whether a computer or a person wrote the text.

Features

Compliance with guidelines: GPTRadar aims to ensure that users' texts fully comply with the guidelines provided by Google and other search engines.
GPT-3: GPTRadar has trained its model using GPT-3, the most popular AI-writing technology.
Accuracy and perplexity scoring: GPTRadar presents a visual demonstration by highlighting text and showing potential AI-generated areas or phrases.

Pricing

GPTRadar offers pay-as-you-go pricing starting from $.02 per credit, where one credit is equivalent to 100 tokens or 125 words.

Percent Human Chrome Extension

Percent Human is a Chrome extension designed to detect AI-generated content with ease, making it a valuable tool for educators and students.

Features

GPT-3 text detection: This browser extension allows users to quickly identify plagiarized or copied text generated by popular AI models such as ChatGPT and GPT-3.
Smooth integration: The user-friendly extension integrates seamlessly into browsers, working effortlessly in Google Docs, Google Classroom, and other popular platforms like Canvas LMS.

Pricing

The Percent Human Chrome Extension is available for free installation on Chrome or Edge browsers.

Grover AI

Grover AI is a groundbreaking model capable of detecting fake news articles generated by AI technology based on Neural Networks. The model, developed by a team of researchers, boasts impressive accuracy in identifying machine-written news and distinguishing it from human-generated content.

Features

AI generator to detect AI text: Grover's experiments demonstrate that the most accurate way to detect artificial text is to use an AI capable of generating it, achieving over 92% accuracy in challenging settings.
Both generate and detect support: Grover's 'Generate' & 'Detect' tabs can be used to create realistic-looking pieces and identify malicious articles disseminated through various sources.
Easy commentary: Grover provides a simple commentary on whether the scanned text is likely AI or human-generated without displaying any complicated scoring.

Pricing

Grover is currently free to use.

Kazan SEO

Kazan SEO offers AI text detection services and a range of other services, including AI text generation, SEO optimization, keyword analysis, SERP extraction, and more.

Features

Fake vs. Real identification: Kazan SEO quickly scans text and delivers an output indicating whether the content is AI-generated or human-written.
Bulk detection: Kazan SEO's bulk detection feature allows for the scanning of domains or URLs for quick AI detection from a large volume of text.
SEO tools: The platform provides various SEO and keyword optimization tools in one place, making the writing experience more convenient.

Pricing

Kazan SEO is free and promises to remain so indefinitely. There are no usage restrictions.

Sapling.ai

Sapling.ai is an AI detection tool designed to help users differentiate between human-written and machine-generated content, including GPT-2, GPT-3, and ChatGPT. The tool enables quick and easy content screening to ensure text authenticity.

Features

AI content identification: Sapling.ai's automated AI text detection tool allows users to quickly identify machine-generated content. By inputting 50 words or more, users receive an accurate score and token count to verify authenticity.
Improved detection accuracy and features: Sapling.ai continuously improves its AI Text Detection tool's accuracy by adding features like highlighting machine-generated sections in red and enhancing overall scoring capabilities.
API integration: Users can request API integration support to incorporate Sapling.ai into their website or app.

Pricing

Sapling.ai is free to use without any specific word count restrictions.

Crossplag AI Detector

Crossplag AI Detector is an innovative tool utilizing cutting-edge machine learning and natural language processing techniques to accurately detect the source of any text.

Features

AI detection and scoring: Crossplag provides users with a confidence percentage indicating the likelihood of the source being AI, allowing informed decisions regarding academic integrity and online content quality.
Huge dataset for excellent accuracy: Crossplag's AI Detector is trained on an extensive dataset of content created by humans and AI, enabling it to learn each writing form's patterns and characteristics.
Plagiarism detection: Crossplag accounts allow users to check for both AI text and plagiarism.

Pricing

Free: $0, up to 1,000 words of plagiarism, and unlimited AI text detection
Pay-as-you-go: $9.99, plagiarism detection for up to 5,000 words
Bundle: $149.99, plagiarism detection up to 100,000 words

CheckForAI

CheckForAI is an AI detection platform designed to protect against automated content. It offers users valuable insights into the authenticity of their text, ensuring it is genuinely human-written.

Features

GPT detection: CheckForAI's analysis combines Open AI's existing Roberta-base model for GPT detection and their proprietary models, boasting an accuracy rate of 95% as per the platform's claim.
Various document support: Users can quickly and accurately detect AI-written text in essays, emails, and other documents.
Document attachment: Unlike many other platforms, CheckForAI allows users to upload documents as attachments and scan the files for AI text. Up to three documents can be attached simultaneously.

Pricing

CheckForAI is currently free, but requires users to sign up with their email address.

Draft & Goal

Draft & Goal is a reliable AI detection platform that assists organizations in identifying and preventing deceptive AI-generated content. The platform's powerful technology scans text for fingerprints left by AI models.

Features

AI detection with probability scoring: Draft & Goal provides easy-to-understand scoring and commentary to determine whether text is AI-generated.
Support for French: Draft & Goal can scan content in both English and French.
No sign-up required: Users do not need to open an account or sign up to use Draft & Goal.

Pricing

Draft & Goal AI detection is free to use.

GPTKit

GPTKit is an ideal tool for content authentication and AI detection. Employing six different AI-based detection algorithms, GPTKit delivers excellent accuracy in verifying the authenticity of text-based content.

Features

AI detection report: GPTKit provides users with a report on the authenticity and reality of the analyzed content.
30 free credits: Users can access up to 30 free credits to test GPTKit's performance.
Excellent accuracy: GPTKit uses six algorithms simultaneously, ensuring higher detection accuracy.

Pricing

Initially, users receive 30 free credits without signing up. After signing up, they receive 100 more credits. Additional credits can be purchased through pay-as-you-go pricing.

ParaphrasingTool.ai

ParaphrasingTool.ai is an AI-powered tool designed to help identify text generated by artificial intelligence (AI). With its advanced algorithms and natural language processing capabilities, it claims to detect AI-generated content with up to 90% accuracy.

Features

GPT-3 and ChatGPT content: Users can conveniently scan whether their content has been produced by GPT-3 or ChatGPT.
Percentage scoring: ParaphrasingTool.ai provides intuitive scoring for the probability of human and AI presence in the text.
AI content bypass: If the text is factually correct and 100% AI-generated, users can use ParaphrasingTool.ai's AI content bypass tool for automatic text optimization and AI-powered paraphrasing without penalty.

Pricing

Solo Paraphrasing tool: $5 per month
Solo Text Generation tool: $12 per month
All-in-one bundle: $16/month

All three packages include the AI detection tool.