AI content generators such as ChatGPT, Claude and Bard are trained on massive text and code data sets. They can mimic human writing styles, generate creative text formats, translate languages, and write creative content. AI detector tools, on the other hand, are designed to help determine how to tell if something was written by AI. They examine the text for specific patterns and properties that indicate the AI’s authorship, such as sentence length and low variance in word choice.
As AI technology continues to develop, AI detector software is likely to become more sophisticated and accurate. In the future, AI detector software may be able to identify not only AI-generated content, but also the specific type of AI used to generate the content.
In the modern digital environment, both AI content generators and AI detectors have a unique role to play. The following is a comparison table of the effectiveness of AI detection tools listed by Forbes authors :
Table of Contents
Experience URL: https://top.aibase.com/tool/undetectable-ai
UnDetectable.ai aims to help reveal the probability of AI-generated content. Unlike many detectors that offer a binary “AI or human?” In response, UnDetectable.ai digs deeper into the structure of the text, analyzing its structural, grammatical and stylistic elements to quantify the probability of AI involvement.
Easy to use
Users simply enter content identified as human into the tool’s user-friendly interface. Once you press the “Check AI” button, automatic undetectability algorithms work behind the scenes to analyze language patterns.
UnDetectable.ai combines AI detection and content humanization in one solution, supporting analysis of 10,000 characters at a time. Leveraging recent advances in language models , it reliably recognizes text from GPT-3, GPT-4, Bard, Claude, and other popular generators.
While UnDetectable does not guarantee accuracy, it does state that it is the most advanced and accurate AI detection tool on the market. Preliminary third-party testing estimates detection rates at 85-95%.
A limited freemium version enables small-scale exploration that lacks text humanization features. For broader access, individual plans start at $5 per month for analysis of up to 10,000 words with flexible customization. Enterprise-level usage beyond the standard configuration is also available upon request with customized business pricing.
- Dual AI detection and humanization
- Analyze up to 10,000 characters
- Intuitive user experience
- Identify the latest artificial intelligence models
- Pricing may raise affordability issues for paid tiers
- Outdated interface visuals
UnDetectable claims its tool is ideal for writers, bloggers, researchers and content creators looking to discover AI-generated content.
Experience URL: https://top.aibase.com/tool/winston-ai
Winston AI is a cloud-based AI detector tool that uses machine learning to identify AI-generated content. It is designed to be used by businesses to detect AI-generated content in marketing materials, customer service interactions, and other forms of corporate communications.
Easy to use
Winston AI is a user-friendly tool that is easy to use. Users can copy and paste text to the Winston AI website or upload files. The tool will then analyze the text and generate a report indicating whether it was likely created by artificial intelligence. This report provides valuable insights that can help users determine the authenticity of their text.
AI detector tools come with a range of key features and are valuable assets for anyone looking to ensure the authenticity of their content. These features include fast scanning options, file upload capabilities, OCR technology, project and document management, team management, multi-language support, printable PDF reports, and a plagiarism checker.
According to Winston AI, it is a tool with extremely high accuracy in detecting AI-generated text, with an accuracy rate of 99.6%. Additionally, it is a fast and effective text analysis tool. Scribbr, on the other hand, reports that the tool is only 84% accurate.
Winston AI offers a range of pricing plans to meet the needs of different users. The free basic plan is great for those who need basic features. For more advanced features, paid plans are available. The annual plan costs $12 per month, while the monthly plan costs $18 per month. The Elite plan allows scanning up to 500,000 words and is priced at $49 per month.
- High accuracy.
- Detects most AI content, including all GPT-4 text.
- Highlight AI-generated text
- Ability to work with handwritten documents.
- Humanized AI detection interface
- The service can be costly for some users, and the free tier only allows a maximum of 2,000 words per month with a minimum session of 500 words. This means that if you have used 1,600 word credits, you will not be able to use the remaining 400 word credits under the free tier.
- Registration is required to use.
Winston AI is a good choice for writers, educators, and web publishers who need to detect AI-generated text in their content. This is also a good option for students who need to check their writing for plagiarism.
Experience URL: https://top.aibase.com/tool/originality
Originality.AI uniquely combines AI detection and plagiarism checking in one cloud-based tool. Using advanced machine learning, it recognizes text created by leading artificial intelligence like ChatGPT and Bard with high accuracy. At the same time, it scans content that is not the original copy. This two-in-one solution effectively verifies overall authenticity.
Easy to use
To use Originality.AI, register for an account and upload or enter the text you want to analyze. After uploading, click the “Detect” button to start the AI detection process. Once detection is complete, view detailed results to identify any AI-generated content.
Originality.AI generates detailed reports that can be easily shared as needed and offers a variety of analysis options. Text can be checked in a variety of ways with its Chrome extension, direct website scanning, document/PDF file upload, and support for multiple languages. The tool is designed for broad content compatibility and is integrated with collaborative report sharing to maximize usefulness.
Originality.AI claims to be one of the most accurate AI detection tools available. It can detect AI-generated text with over 95% accuracy. The tool is also very efficient and can analyze text very quickly.
Originality.AI offers a variety of pricing plans, including a free plan for basic users. Originality.AI’s pay-as-you-go pricing starts at $30 per 3,000 points. Scan 100 words per credit. Monthly plans start at $14.95 for 2,000 monthly points, with each additional point worth 1 cent. Monthly points expire at the end of the month.
- Artificial intelligence and artificial intelligence two-in-one plagiarism detection
- Customizable detailed report sharing
- Team workflow features such as multi-user access
- Readability score for further optimization
- Pay-per-use pricing features are limited
- User concerns about detection accuracy/reliability
Ideal for teams, Originality.AI facilitates collaborative work with options to add colleagues, share results, and access scan history. While primarily aimed at marketing/SEO agencies in need of AI-free content, Originality.AI is suitable for anyone looking to verify the authenticity of their content.
Experience URL: https://top.aibase.com/tool/gltr
GLTR is an open source AI detector tool that can be used to detect AI-generated content. Based on GPT-2 technology, the tool analyzes a single word to determine how likely it is to be predicted by artificial intelligence. It does this by focusing on the context that precedes related words and determines the probability of whether the AI generated a particular sequence of words.
Easy to use
Enter text in the box that opens and if the words you are analyzing are within the top 10 words predicted by the AI, GLTR will mark them green. For the first 100 predictions you will see yellow, for the first 1000 predictions the word will be red. Everything over 1,000 is purple.
GLTR’s key feature is leveraging forensic text analysis to visually highlight suspicious words based on AI-generated probabilities. Detailed histograms allow users to analyze distribution patterns indicative of automated content. These linguistic insights are designed to accurately identify computer-generated text across use cases such as fake reviews, reviews, or news.
GLTR is not as accurate as some of the other AI detector tools on this list, but it is a good choice for anyone who is looking for a free tool. According to research from Harvard University, individuals using GLTR were able to detect AI-generated text with over 72% accuracy.
GLTR is free to use
- Deep language analysis for insights
- Color-coded highlighting for easy understanding
- Evaluating word placement as an AI metric
- Developed in 2019 and may not be updated to detect newer AI content.
- Complex output challenges first-time users
GLTR is best suited for researchers and developers, providing them with an open framework of language analysis tools, datasets, and benchmarks to drive innovation in AI detection algorithms. Its focus is on collaborative advancements that technically support the model rather than user-friendly services—accelerating long-term capabilities rather than convenience.
Experience URL: https://top.aibase.com/tool/sapling
Sapling is an AI detection tool that can be used to detect AI-generated text content. It is intended for use by individuals to check whether their writing contains AI-generated content. Sapling is not as accurate as some of the other AI detector tools on this list, but it is a good choice for anyone who is looking for a free tool.
Easy to use
Enter or paste text in the field to check the use of AI. According to Sapling, the AI detector becomes more accurate after 50 words. The top of the results window will display the overall score and highlight the portion of the text generated by the artificial intelligence. The bottom section will highlight individual sentences that may have been generated by the AI due to low confusion (sentences that are cliche or overly simplistic will be flagged).
Sapling AI Detector provides leading capabilities to identify content generated using artificial intelligence across common use cases and platforms. Its advanced deep learning algorithms reliably detect text created by AI writing assistants, grammar checkers, customer service chatbots, proofreading tools, text expanders and other systems that leverage linguistic AI to generate or improve document drafts.
Scribbr’s testing showed Sapling to be the most accurate free tool, with an overall accuracy of 68%. Sapling detected all GPT-3.5 and 60% of GPT-4 content in its study, with no false positives. Best-in-class ability to capture AI text in a hybrid of human and AI. Sapling noted that its AI detector’s accuracy improved significantly after analyzing text of 50 words or more.
Sapling is free to use
- relatively easy to use
- Free to use, no registration required
- Not as accurate as some other tools
- May be expensive for some users
Sapling AI is a full-featured artificial intelligence writing software designed to serve startups, SMEs, and enterprises. This is also a good choice for individuals looking for a free option.
6. Content at Scale
Experience URL: https://top.aibase.com/tool/content-at-scale
Content at Scale is a cloud-based AI detector tool that uses machine learning to identify AI-generated content. It is designed to be used by businesses to detect AI-generated content in marketing materials, customer service interactions, and other forms of corporate communications.
Easy to use
Large-scale content is relatively easy to consume. Users simply copy and paste text into the Content at Scale website or upload a file. The tool will then analyze the text and provide a report on whether the text was likely generated by artificial intelligence.
In addition to being simple and free to use, Content at Scale has key features in its paid tier that unlock unlimited AI detection across text and images, and can even identify machine-generated content. Users can also receive 2,500 rewrite points to disguise identified AI areas as human-written, and can perform batch rewrites upon request. Other features include scanning of website content by URL, advanced editor for post-analysis rework, and customizable reports exported to Word/PDF/HTML.
Content at Scale says the AI detection accuracy is as high as 98%. However, ZDnet’s unbiased third-party testing accuracy rate is only 66%, showing a large gap between market performance and actual performance.
Content at Scale’s AI detection is available free of charge, allowing users to analyze up to 2,500 text characters per analysis. This free tier provides a way to test the basic functionality of smaller code snippet inspections without a financial commitment. There is also a paid plan priced at $49 per month.
- Simple, straightforward results reporting
- Ability to rewrite recognized AI text
- Fine-grained sentence-level analysis
- AI text rewriting quality is unstable
- Unclear accuracy and detection limits
Content at scale is a good option for businesses and organizations that need to detect AI-generated text in their content. It’s also a good option for writers who need to check their writing for plagiarism or who want to use the tool to help write undetectable content.
Experience URL: https://top.aibase.com/tool/copyleaks
Copyleaks stands out for its meticulous sentence-level evaluation that precisely scrutinizes text authenticity. Not only can users gain insights that differentiate between human and artificial channels, but they can also highlight segments that may be interpreted as masking artificial intelligence generation using the latest technology.
Easy to use
Users only need to paste the portion of text that needs to be analyzed directly into the interface text box, or provide a URL link to online content to perform remote document scanning. With the click of a button, the automated checker runs its detection algorithm, reporting highlighted excerpts categorized by an overall percent confidence metric.
The main feature of Copyleaks is that it can identify AI-written source code in 30 languages from tools such as GitHub, Copilot and ChatGPT, while colorizing text from human and machine authors. In addition to surface generation, it will even flag plagiarized or paraphrased AI content to highlight some of the impact.
The AI detector’s self-reported accuracy for AI-generated content was 99.1%, with a false positive rate of 0.2%. G2 rated the AI detector 4.7 stars out of 5. Scribbr rates Copyleak’s accuracy at 66% based on its analysis. .
Copyleaks AI detector has a free option. Subscriptions start at $9.99 per month and cover 100 points for 2 user accounts. Their plagiarism checker costs $10.99/month. Bundling AI and plagiarism detection into one solution costs $16.99 per month. Pricing is based on usage, with each credit scanning 250 words – when exceeding 250 word increments, it costs 2 more credits.
- Fine-grained sentence-level evaluation
- Detect all major AI models
- Over 99% specified accuracy
- 30 languages covered
- Results in slower loading times
- Lack of partial text exclusion
Copyleaks understands 30 languages, making it an excellent tool for multinational businesses. Additionally, it can analyze source code, making it an excellent choice for programming and software development teams .
Experience URL: https://app.crossplag.com/individual/detector
CrossPlag’s AI detector combines machine learning and natural language processing to accurately determine whether text was written by a human or created by AI. The tool is trained on an extensive data set of content from real human authors and artificial intelligence models, revealing unique language patterns in each piece of content. Through in-depth analysis, AI detectors can expertly predict whether unfamiliar text comes from a human or a machine.
CrossPlag AI Content Detector
Easy to use
Crossplag provides an easy and simple plagiarism detection solution. To use it, you just copy and paste the text into the tool, click “Inspect”. Crossplag will instantly analyze your content for matching text.
Thanks to its AI model with over 1.5 billion parameters, CrossPlag really stands out from its competitors in terms of detection accuracy. This model allows CrossPlag to capture even cleverly disguised instances of plagiarism. Advanced AI also enables industry-leading performance in identifying differences between human-written text and AI-generated content.
A study by Scribbr showed that Crossplag achieved approximately 58% accuracy on the benchmark test set. While the 58% accuracy rate surpasses randomness, indicating that CrossPlag has learned meaningful patterns, it is well below the 95% accuracy rate that CrossPlags advertises.
There is a free limited plan of 10 credits or 1,000 words. Paid packages start at $9.95 and include 50 credits or 5,000 words. Crossplag doesn’t make it easy to look up prices, so you may find that the price you pay is unclear.
- Easy to use
- Train with over 1.5 billion parameters for maximum accuracy
- Do not highlight text
- Not very accurate
- Limited ability to handle large/complex text
- Registration required
Best suited for students, academics, bloggers and all writers, Crossplag helps detect plagiarism in documents to maintain ethical standards and original content creation. Its easy-to-use features help confirm work integrity for a variety of use cases.
Experience URL: https://top.aibase.com/tool/gptzero
GPTZero is an open source AI detector tool that can be used to detect AI-generated text content. GPTZero uses a multi-step approach designed to generate predictions with maximum accuracy and minimum false positives. This model specifically detects content in the Chat GPT, GPT3, GPT4, Bard, and LLaMa models.
GPTZero AI detection tool
Easy to use
No registration required, just paste text or upload a document to scan. The frictionless experience allows for near-instant analysis without the need to create an account or hand over email. Users can check the results directly within a minute by copying any text fragment that needs verification.
GPTZero provides a dashboard with in-depth analytical views, using visual overviews and the study of granular statistics to reveal the probabilities of AI sentences. Color coding coupled with quantifiable linguistic analysis provides researchers and users with accessible high-level interpretive and nuanced technical investigation capabilities.
GPTZero is not as accurate as some other AI detector tools on this list. Due to its binary judgment, its accuracy is relatively low at 52%. The tool also highlights text to mark it as AI.
The free plan allows scanning 10,000 words per month and 7 checks per hour. Basic paid plan ($10/mo) scans up to 150,000 words. Premium ($16/mo) increases the word limit to 300,000, while adding plagiarism checking and unlimited batch processing. Pricing is designed to accommodate use case differences from individuals to enterprise teams.
- Great dashboard view
- Provides unique language statistics
- Visually highlight a text area
- No registration required, just paste text
- Subpar accuracy level
- lack of percentage score
- Yes/no judgment only
- There are some false positives
GPTZero has optimized its detection capabilities for the education field, training AI models specifically designed to evaluate student writing and educational technology-generated text. Its dashboard allows educators to understand the authenticity of content amid a growing number of machine-assisted tools.
Experience URL: https://top.aibase.com/tool/writer
Writer is an AI detection tool that can be used to detect AI-generated content in text. Analysis is limited to excerpts under 1,500 characters, so large texts require multiple consecutive checks. This streamlined tool focuses specifically on effectively measuring text artificiality.
Easy to use
Writer offers a simple AI detection process – users can simply copy text or add a URL to analyze the content. Writer Returns a percentage indicating the likelihood of human versus AI origin. Then, click the “Analyze” button to start the AI detection process. The tool will then analyze your text and provide suggestions on how to improve it.
Writer features AI writing assistance, grammar/spelling check, plagiarism detection, automatic citation generation, and support for multiple languages - all designed to enable an efficient, ethical writing process.
Writer is not as accurate as some of the other AI detector tools on this list, but it is a good choice for anyone who is looking for a free tool. Scribbr’s testing found inconsistent technical issues with Writer’s AI detection, often failing to load results. Even when working, its 38% accuracy score is among the lowest among competitors – completely lacking GPT-4 content and most paraphrasing.
Writer is free to use
- Intuitive and straightforward to use
- Direct URL analysis capabilities
- Add grammar checking for free
- Lack of color coding for AI versus human text
- No file upload or image analysis options
Best for Writers Free AI Detection Best for writers to improve content and website owners to quickly check website pages. A simple and affordable solution for draft feedback or public website content review.
Choosing the right AI detection tool
The proliferation of AI-driven writing tools requires the use of reliable AI detection tools. If you are a writer committed to authentic expression, an editor adhering to editorial standards, or an educator promoting academic integrity, AI detectors can provide valuable assistance.
However, choosing the right tool can be daunting because there are so many options to choose from. Consider your specific needs: Are you focused on individual analytics or large-scale content moderation? Do you prioritize affordability, advanced features, or integration with other platforms? Research and compare different tools, taking advantage of free trials and demos to find the best fit Tools for your goals and workflow.
For editors, publishers, and educators, AI writing checkers provide a reliable way to verify the authenticity of content and ensure its originality. This is especially important in academic environments and platforms where plagiarism may be an issue.