16 best AI and ChatGPT content detectors tools

Here is a list of 16 tested top AI detection tools for AI-generated content. Here’s what they are good and bad at, plus what to expect when using them.

1. Originality.AI

Originality.AI

Originality.AI is a paid tool targeted at serious content publishers, offering a highly accurate AI content detector and plagiarism checker. Priced at $0.01 per credit, each credit allows scanning of 100 words. The tool comes with a built-in plagiarism scanner in addition to the AI scanner.

The tool’s uniqueness lies in its ability to achieve 100% confidence in distinguishing human-generated content from AI-generated content, making correct identifications in all cases, as shown in the provided chart. It outperforms other similar tools, such as Hive Moderation, which had a 0% AI score for human content and 99.9% confidence in identifying the AI-generated texts.

Originality.AI also provides a Chrome extension and an overall score for content analysis. Moreover, a new feature highlights specific sections of the pasted content, predicting which parts are likely to be AI-generated and which are not.

Many users, including the writer of the article, find the tool especially useful for checking AI content. For instance, the writer frequently employs it to examine content submitted by freelance writers to detect any AI-generated or plagiarized sections.

2. Writer

The writer provides a free detector capable of analyzing up to 1,500 characters, but for additional usage, API access is required. The tool primarily identified all the submissions as being probably human-generated.

Writer is an AI writing platform that offers a free content detector allowing users to input a URL for analysis. However, this tool lacks a built-in plagiarism feature and provides an overall score without indicating specific sections as likely or unlikely to be AI-generated.

3. Copyleaks AI Content Detector

The Copyleaks AI Content Detector offers several intriguing features:

1. It provides an overall verdict, distinguishing between human-generated and AI-generated content.
2. When hovering over specific text, it indicates the likelihood percentage that the text is either human or AI-generated.
3. The tool comes pre-loaded with examples of various GPT and human outputs to demonstrate its functionality.
4. It offers a Chrome extension for added convenience.
5. The tool is free to use, and although a single scan does not perform both tasks, it also includes a plagiarism detector.

In testing, the Copyleaks AI Content Detector accurately identified much of the human-generated content as human and the AI-generated content as AI. However, it occasionally lacked confidence and made mistakes in some individual sections.

4. OpenAI’s AI Text Classifier

AI Text Classifier is a complimentary tool developed by OpenAI, the company behind GPT (which powers various generative AI tools) and ChatGPT.

Although one might assume that the company responsible for the most popular AI tools would offer the most accurate detector, our test results contradicted this belief.

The tool deemed the human content as “very unlikely” to be AI-generated, but when it came to OpenAI’s own platform content, it provided an “unclear” verdict for AI-generation, and “unlikely” with and without the additional prompt.

The tool is free to use, requiring an OpenAI account. It lacks extensive features, including a plagiarism check. The output provides a finding, similar to the screenshot shown, without a precise score. Additionally, it does not highlight specific sections of the content to indicate their individual likelihood of being AI-generated or not.

5. Crossplag AI Content Detector

Crossplag provides a limited number of free scans without requiring an account. However, upon logging in, users gain access to unlimited free scans. While the tool presents an overall score, it does not have the feature to check for plagiarism or mark specific sections of the content.

In our evaluation, Crossplaq correctly identified both human and AI content as 99% human. Notably, the tool claims to perform better with longer text, although the samples tested here exceeded their minimum recommendation of 200 characters but were still relatively short.

6. GPTZero

GPTZero provides both free and paid versions of its tool. The free version offers a score and includes some pre-loaded examples for reference.

The paid version, on the other hand, comes with additional features, including a plagiarism checker, the ability to highlight AI-generated content, and the option to bulk upload multiple pieces of content, which is particularly useful for classroom settings.

Although the website doesn’t display pricing information for the paid tools, interested users can request access to the paid tool and API by filling out the provided forms.

In our evaluation, the free version of GPTZero correctly identified all three of our writing samples as likely entirely human in origin.

7. Sapling AI Detector

Sapling AI Detector provides both free and paid versions of its tool and offers additional features such as a Chrome Extension and an API. Users can access an overall score and benefit from sentence highlighting functionality.

During testing, Sapling accurately identified the human content as predominantly human and the AI content as almost entirely AI-generated. However, it considered the “perplex” and “bursty” ChatGPT content as highly likely to be human-generated.

8. Content at Scale’s AI Detector

The Content at Scale AI Detector is available for free and provides users with a comprehensive score that includes predictability, probability, and pattern breakdowns for the content, along with pre-loaded examples.

However, the tool lacks a plagiarism detection feature, and it does not highlight individual sections of the content.

In the assessment, Content at Scale rated all three samples with a 92% human or higher likelihood.

Among the samples, the human-written content received the highest human percentage, followed by the GPT content modified by the prompt, and finally, the content generated by the simplest prompt.

9. ZeroGPT

ZeroGPT is a free tool that provides an overall score and highlighting but lacks a plagiarism detection feature.

The tool consistently showed low percentages of AI-generated likelihood for all samples. These percentages aligned with the human-like nature of the content, with the human-generated sample receiving the lowest AI percentage, followed by the burstiness / perplexity prompt, and finally, the simpler prompt.

10. GLTR

GLTR (Giant Language model Test Room) is a free tool developed through a collaboration between researchers from the MIT-IBM Watson AI lab and Harvard NLP, including Hendrik Strobelt, Sebastian Gehrmann, and Alexander Rush.

The tool provides some overall scoring but primarily focuses on indicating whether each word in a text belongs to the 10, 100, 1,000 most probable words generated by AI based on the preceding context or if it falls outside the top 1,000 likely words. However, it does not include a plagiarism detection feature.

When tested, the tool showed the highest number of “likely words,” particularly in the top 10, for the text generated by the simpler prompt. Nonetheless, the word distribution was similar for both the human-generated and additional prompt texts in this small test.

11. ChatGPT Detector on Hugging Face

This free detector provides an overall prediction and score without offering plagiarism or highlighting capabilities.

For all three samples, this tool confidently identified the content as over 99.9% likely to be human-generated.

12. Corrector AI Content Detector

Corrector AI Detector is a free tool that comes with a word count limit of 600 words and provides a percentage score. However, it lacks plagiarism and highlighting features.

The tool assessed each sample with a remarkably low probability of being “fake” or AI-generated.

13. Writefull GPT Detector

The Writefull GPT Detector is a free tool that offers a straightforward score and provides API access. However, it lacks highlighting and plagiarism detection features.

The tool identified all three samples as probably human, but it did assign the ChatGPT content generated with the simplest prompt the highest AI likelihood (19%).

14. Hive Moderation’s AI-Generated Content Detection

The Hive Moderation AI-Generated Content Detection tool is available for free, with character limits and requiring sign-in after several uses.

While it lacks plagiarism detection and highlighting features, it allows users to analyze content in segments and obtain scores specific to each segment.

Hive accurately scored each writing sample, giving the human content a 0% likelihood of being AI-generated, and the AI samples received scores of 99.9%.

(Only Originality.AI exhibited a similar confidence level while maintaining accuracy across the samples.)

15. Paraphrasing Tool AI Content Detector

The paraphrasing tool serves as a re-writer, and it provides a free AI content detector with an overall assessment and highlighting but without plagiarism features.

The Paraphrasing Tool determined that each of the texts was likely human-generated.

16. AI Writing Check

AI Writing Check is a complimentary tool that provides a score, has a maximum word limit, and lacks text highlighting for AI likelihood or plagiarism detection.

AI Writing Check categorized all three writing samples as human-generated.

 

By 4niso

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