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13 Best AI Detector Tools Currently

Olivia Anderson

Updated on Dec 29, 2023

pen AI Reviews

Artificial intelligence has affected every industry positively or negatively. Currently, there is a myriad of AI content writer tools that generate content automatically. Although these AI content writing tools generate unique and grammatically correct content, they are sometimes inaccurate, may not meet tone requirements, etc.

Can you know if the content is written using an AI tool? Yes, you can easily detect AI-written content by proofreading the work thoroughly, fact-checking, or using an AI detector tool. However, choosing the right AI detector can be daunting. But refrain from worry as this article will provide a detailed review of the best AI detectors ranging from their features, pros, cons, to prices.

1. Originality.ai

Originality.ai is among the best AI content detectors. It requires you to enter a text of 50 words and above, and it will scan through the text to detect plagiarism and AI content. Originality.ai detector uses advanced artificial intelligence technology to guarantee over 95% accuracy in detecting content generated using GPT-3, GPT-3.5, GPT-4, and paraphrased content.

After scanning the content, the tool will provide you with human and AI possibility scores. It is the right tool for organizations that work with distributed editorial teams. Compared with other AI content detectors, Originality.ai remains peerless due to its unmatched power for scanning texts to detect AI-generated content.

originality ai detection tool

Key features:

* Highly accurate AI content detector.

* Detect paraphrased content.

* Provide a full site scanning ability.

* Detect paraphrased content.

* Provide a sharable report.

* Team management ability.

Pros:

* Have a Chrome extension.

* Highly supportive customer care.

* Easy-to-use interface.

* Use advanced artificial intelligence algorithms.

Cons:

* Lack of a free version.

Pricing:

* $30 for one time.

* $14.95 per month.

See more: If you want to enhance your audio files with AI tools, check this list. It will give you dependable choices.

2. Wondershare PDFelement

Wondershare PDFelement is a comprehensive PDF solution that allows you to create, edit, convert, sign, and annotate PDF documents. PDFelement's AI Content Detector feature is a tool designed to identify the presence of artificially generated content within PDF documents. This functionality can be accessed through the "AI Detect" command in PDFelement's AI sidebar. Simply click on the "AI" icon on the right side of the interface, select the "AI Detect" command, and paste the text to be analyzed into the designated text box.

The AI Content Detector in PDFelement serves the purpose of detecting artificially generated content in PDF documents, ensuring that your documents are not mistakenly identified as plagiarized or lacking originality. The feature utilizes algorithms to analyze the language patterns of input text, determining whether it is generated by humans, artificial intelligence, or a combination of both.

wondershare pdfelement ai content detector

Key features:

* Create and Edit: Allows users to effortlessly create new PDF documents and offers comprehensive editing tools, including text editing, image insertion, page merging, and splitting.

* Convert and Export: Supports the conversion of PDF documents to other common formats such as Word, Excel, PowerPoint, etc. It also allows importing from these formats and saving them as PDF.

* Sign and Annotate: Provides digital signature and annotation tools, enabling users to easily add signatures, comments, marks, and shapes to documents.

* OCR Technology: Features built-in Optical Character Recognition (OCR) technology, capable of recognizing text in scanned documents, making it editable.

* AI Content Detector: Includes the AI Content Detector feature, capable of identifying artificially generated content in PDF documents, helping prevent documents from being mistakenly considered as plagiarized or lacking originality.

Pros:

* Detects AI-Generated Content: The feature effectively identifies whether there is artificially generated content in PDF documents, helping users ensure the originality of their documents and avoid being mistakenly labeled as plagiarized.

* Enhances Document Quality: It contributes to improving the overall quality of documents, ensuring that the information contained is authentic and trustworthy.

* Time Savings: By automatically detecting AI-generated content, users can save a significant amount of time without manually checking the originality of documents.

Cons:

* Possibility of False Positives: Due to the complexity of AI algorithms, the AI Content Detector may generate false positives, mistakenly identifying genuine content as AI-generated. This could necessitate additional review by users to confirm the accuracy of results.

* Limited Recognition Capability: While capable of detecting AI-generated content, the recognition capability of this feature is still limited and may not cover all possible scenarios. Certain advanced or cleverly generated content might evade detection.

* Potential Performance Impact: In cases involving large documents or requiring highly accurate detection, the AI Content Detector may have a performance impact, leading to slower processing speeds.

Pricing:

* Perpetual Plan: $103.99

* Yearly Plan: $79.99

* 2-Year Plan: $109.99

3. Content at Scale

Looking for a free AI content detector? Content at Scale should be your go-to option. This tool is primarily designed for academic and content marketers who wish to check if the content is human-written or AI-generated. It harnesses the power of neural networks to detect content generated using GPT-3, ChatGPT, and other artificial intelligence models. Content at Scale provides scores based on possibility, pattern, and predictability.

content at scale ai detector

Key features:

* Detect AI-written content.

* Scan text for various uses such as SEO, academic content, marketing, etc.

* Have various APIs that can be integrated into other platforms.

* Scan a large text of up to 25,000 characters.

* Support more than one language.

Pros:

* Easily usable interface.

* Highlight AI-generated content.

* Scan from 25 words.

* Super fast AI content detector.

Cons:

* Less accurate compared to other AI content detectors.

Pricing:

* Free to use.

Read also: Revolutionize Portraits with 12 Excellent AI Face Generator Tools

4. Winston AI

Winston AI is one of the most accurate AI detectors. educators, writers, and web publishers mainly use this AI detector. You can harness its potent capabilities to detect content generated by AI tools such as GPT-4, Bard, ChatGPT, and other LLM models. The most interesting thing about Winston AI is that it supports OCR technology for scanning image files with AI content. To use this tool, key the text into its text area, turn the plagiarism button on or off, and hit the scanning button. After that, you will receive the result informing you whether the content is generated using an AI or a human after a few seconds.

winston ai checker

Key features:

* Scan the text for AI generation.

* Detect whether the text is original or plagiarized.

* Users can generate reports.

* Have OCR capability for scanning through handwritten texts and pictures.

Pros:

* Provide the readability score for a text.

* Support various file formats, including PNG, JPEG, DOCX, etc.

* Easily usable interface.

* Support French and English languages.

Cons:

* You must create a user account to use.

Pricing:

* Free plan for the first 2,000 words.

* $12 per month for the Essential plan.

* $19 per month for the Advanced plan.

Further reading: Want a chatbot app to install and use on your mobile phone? Read this review and get useful options.

5. GLTR AI Detector

GLTR, or the Giant Language Model Test Room, is a free AI text detector application for detecting content generated using GPT2 NLP models. A team of experts from Harvard NLP and MIT-IBM Watson AI lab created this hardy tool. This AI-powered checker utilizes one of the best AI content detection techniques to detect any text generated using any language model.

To use this tool, you paste your text on the application's interface, and the tool will analyze the content based on what GPT-2 would have produced. After that, the GLTR AI detector highlights the text in red, yellow, and green colors. Text highlighted using green represents human written content, yellow represents words that might have been written by AI and edited by a human, and text highlighted using red represents texts written by an AI tool.

gltr ai checker

Key features:

* Detect AI-generated content.

* Highlight text in different colors.

* Free to use AI detector.

* Use superb AI-detecting algorithms to perform forensic analysis.

Pros:

* High accuracy in detecting content generated using GPT 2.

* Easy to use AI detector.

* Scan through the text fast.

* Free to use AI detector.

Cons:

* Limited to GP2 NPL model.

Pricing:

* Free.

6. Passed AI

Looking for a practical AI content detector tool? Passed AI is one of the best solutions. It is a great option for web publishers who want to verify their content before publishing, educators who want to prove the authenticity of their student's work, etc.

Millions across the globe have used this tool, and it has received many positive reviews from its happy users. It harnesses the power of high-tech AI detection algorithms to detect content written using NLP models. It is a reliable AI content detector that you can rely on.

passed ai detector

Key features:

* Detect AI-written content.

* Carry out the document's history audit.

* Support detection of various language models such as GPT-NEO, GPT-J GPT-3, GPT-2, GPT-3.5, etc.

* Use 256-bit encryption to protect your private information.

Pros:

* You can add its Chrome extension.

* Have a user-friendly interface.

* Fast scanning algorithms.

* Over 95% accuracy level.

* Have a free plan.

Cons:

* Do not work with long-form editors.

Pricing:

* Have a free plan.

* $9.99 per month for the Standard plan.

* Customized pricing for the Institution plan.

7. Hugging Face

Doubting that your writer or students are using AI content writers? You can easily detect AI-written content using Hugging Face, one of the best AI writing detectors. OpenAI created this powerful tool using RoBERTa transformer implementation technology for detecting AI-generated content.

To use this AI content detector, you input the text into the platform's text area, and the detector will scan through the content and determine if the text is written by a human or an AI. The tool was designed to detect GPT2-generated text like the GLTR detector. Instead of highlighting the text using different colors, the AI detector shows the possibility of the AI generation at a scale of 100%.

hugging face ai detection tool for writers

Key features:

* Detect AI-generated content.

* Use RoBERTa detecting technology.

* Open source application.

* High accuracy in detecting GPT2 NLP-generated text.

Pros:

* Scans through the text at a super speed.

* Powerful AI content detection algorithm.

* Free to use AI content detector.

Cons:

* Not efficient for detecting texts generated by technologies such as GPT-4.

* Lack of visualization tool for viewing model architecture.

Pricing:

* Free to use AI detector.

* Pro Account costs $9 monthly.

* Enterprise Hub costs $20 per month.

8. Kazan SEO

Detecting content generated by an AI is now easier than before. With writer AI content detectors like Kazan SEO, you can easily know if a text is written naturally or generated. Kazan SEO AI content detector was primarily designed for evaluating SEO content.

Millions of SEO experts across the globe have used Kazan SEO and shown outstanding satisfaction. You just need to create a user account on their platform, paste your text to the provided text area, and the tool will categorize the text as either AI-generated or human-written. Interestingly, Kazan SEO checks for AI-generated content and provides SEO experts with features such as Keyword clustering, SERP overlap, Content optimizer, and more. It is the best option for any SEO expert.

kazan seo checker

Key features:

* Easily detect AI-generated content.

* Scan URLs using multiple techniques.

* Keyword clustering tool.

* Content optimizer tool.

* SERP overlap tool.

Pros:

* High accuracy rate.

* Allow you to use it after creating an account.

* Free to use AI content detector.

* Can detect GPT3-generated content.

Cons:

* Can only analyze content with 200 to 400 words.

* Cannot detect plagiarized content.

Pricing:

* Free.

9. Crossplag

Crossplag is mostly known for its peerless ability to detect plagiarized content. However, the tool added a feature for detecting AI-generated texts. It uses an advanced artificial intelligence algorithm to scan your text and classify it as human or AI-written. The best thing about the Crossplag AI detector tool is that you don't have to download it because it is available online. It utilizes natural language processing and machine learning algorithms to guarantee high accuracy in detecting AI-generated text.

To use the application, you paste your text on the platform, and the system will scan through the content and highlight your text using a red-to-green scale. Content highlighted using the green color represents human-written content, while content highlighted using the red color represents AI-generated content.

crossplag ai detection tool

Key features:

* Effectively check the content created by AI writing tools.

* Use NLP-based working and Machine learning technology to detect AI content.

* Used for detecting various content such as SEO, education, etc.

* LTI integration and Integrity insights.

Pros:

* Enable users to have full ownership and control over their data.

* High accuracy level.

* Free to use AI content detector.

* Easy to use AI content detector.

Cons:

* Do not support NLP models.

Pricing:

* Free to use.

10. Sapling AI Detector

When managing a team of writers, you need to have a reliable AI writing detector to check on the authenticity of the content. As you know, AI content is sometimes of low quality regarding facts, tones, etc. Additionally, Google will derank your website if you publish AI-generated content. As such, it is crucial to check the originality of the content before using it. One of the most reliable AI content detectors is Sapling AI Detector.

To use this powerful AI checker, you need to paste the content into the application's text area, and the application will scan through the text and provide you with an output showing you the probability of the text being AI-generated or human-written.

sapling ai detector

Key features:

* Detect AI-generated content.

* You can integrate it with your computer's Chrome, Outlook, Word, and more applications.

* Have an integrated Grammar checker.

* Show the probability of the AI text using a percentage scale.

Pros:

* Users can check unlimited words.

* Support copy and paste function.

* Updated frequently.

Cons:

* Do not highlight AI content.

* Can only detect AI content from a text of more than 50 words.

Pricing:

* Free for the first 2500 characters.

* $25 per month for the Pro plan.

* Customized pricing for the Enterprise plan.

11. Copyleaks

Detecting AI content is now easy. With Copyleaks, you can check AI text for educational, individual, and company content. This AI content detector software uses cutting-edge technology to identify content created using GPT-3, Jasper, GPT-4, ChatGPT, and other models. Additionally, Copyleaks boost a high accuracy level of about 99.12%. Numerous people across the globe have used the tool, and its users have shown satisfaction by reviewing it positively. It is a go-to option for anyone who wants to verify a text's credibility.

copyleaks checker

Key features:

* Detect AI-generated text.

* Support multiple languages, including English, Portuguese, Spanish, German, and French.

* Learning management integrations.

* Check plagiarism for source codes.

Pros:

* Easily usable interface.

* Use Optical Character Recognition technology.

* Detect AI content generated by Jasper, ChatGPT, Bert, GPT-4, GPT-3, and GPT-2.

* Have a Chrome extension.

* Have a White-label option

Cons:

* Users must hover over the text button to get the percentage score.

Pricing:

* Free plan for 25 credits.

* $8.33 per month for the Upper limit plan.

12. GPTZero

GPTZero is also a safe and dependable AI content detector created by a Princeton University student called Edward Tian to help educators detect and predict AI-written content. It measures text generation randomness, burstiness, and perplexity to predict the possibility of AI content based on the patterns. This AI content detector is trained using a diverse and large data set of AI-generated and human-written content focusing on English prose. You can also integrate GPTZero into your system by requesting its API at a small fee.

gptzero ai detector

Key features:

* Detect AI-generated content.

* Allow users to upload multiple files simultaneously.

* Uses powerful AI algorithms to analyze the text's perplexity.

* Can work on a small text with 250 characters.

Pros:

* High accuracy rate.

* Highlight AI-generated content.

* Have a free plan.

* Support different file formats, including txt, docx, pdf, etc.

Cons:

* Scores can be quite confusing.

Pricing:

* Free for the first 5000 characters.

* $9.99 per month for 50k characters.

* $19.99 per month for 2 million words.

* Customized pricing for the Business plan.

13. GPT-2 Output Detector

Finally, the last yet important in our review of the best AI content detectors is the GPT-2 Output Detector. You can use this AI detector to identify content written using an AI for educational content, company content, and web content. It uses cutting-edge artificial intelligence algorithms to scan through the content at a superb speed. However, this application is less accurate than the other tools discussed in this review. The best thing about it is its easy-to-use interface, making it the best option for novice computer users. User paste the text into its interface, and the system display if the text is human or AI-written.

gpt 2 output detector

Key features:

* Detect AI-generated content.

* Use supervised machine learning techniques.

* Categorize content based on probability.

* Detect plagiarized content.

Pros:

* Super fast scanning ability.

* Support copy and paste ability.

Cons:

* Less accurate compared to its peers.

Pricing:

* Free to use.

Conclusion

AI-generated content lacks creativity, does not use the right tone, uses incorrect facts, and more. As such, checking if your writers' work is AI-generated or human-written is prudent. Additionally, Google will de-rank your website if you publish AI-written content. Google is fully focused on offering its readers human and helpful content. So, use one of the above-reviewed, most accurate AI detectors to confirm the authenticity of content before using it.

Olivia Anderson Senior Editor

Olivia Anderson is a meticulous reviewer specializing in AI assessments. Her evaluations are known for their truthfulness, thoroughness, and user-centric approach. Olivia's reviews are designed to enhance task precision and productivity, offering impartial insights that users can trust.