The 8 Best AI Detectors in 2024

As a professional content writer, it took me a lot of work to find the best AI detector in the business to verify my content in the early days of my career. However, over the years, I came across and used several AI detection tools to narrow down the one I liked best.

If you are looking for the best AI detector in business but need help choosing one, then let me run reports on and verify a few AI detector tools for you in this blog and share the best AI detector.

What are the Key Elements to Choose the Best AI Detector?

When selecting the best AI detector, consider these key elements:

• Accuracy: Ensure the tool effectively distinguishes between human and AI-generated content with minimal errors.

• Speed: Choose a detector that processes content quickly without compromising accuracy.

• Ease of Use: Opt for a user-friendly tool with a simple interface and easy-to-understand reports.

• Compatibility: The tool should integrate smoothly with your existing platforms and support various content formats.

• Cost: Choose a detector that fits your budget and can scale with your needs.

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• Seamlessly humanizes text from major AI models like ChatGPT, Claude, Jasper, Copy.AI, and more.

• Humanizes content to bypass major AI detector tools such as GPTZero, CopyLeaks, Turnitin, and others.

• Supports over 50 languages, allowing users worldwide to humanize AI-generated content.

• Provides free access to test the tool's AI content rewriting capabilities.

• Delivers accurate, natural text with minimal errors, while maintaining the original meaning.

How Did We Test and Select the Best AI Detector?

You might be wondering how I evaluated and chose the best AI detection tools. Here's the step-by-step process I followed:

Step 1. First, I selected a topic that I had personally written and was 100% free of plagiarism and AI involvement.

Step 2. Then, I used ChatGPT to generate an article on the same topic, giving specific prompts and instructions to simulate realistic AI-generated content.

Step 3. Finally, I combined my original content with the AI-generated text (half and half) and ran it through various AI detection tools to assess their ability to differentiate between human and AI-written content.

This approach ensured that I could objectively evaluate the accuracy and effectiveness of each AI detector.

Top 8 AI Content Detector

Turnitin and Scribbr stand out as the most accurate AI detection tool, especially for long academic texts, making it the top choice for teachers and students. It provides detailed reports and is highly trusted in educational settings. For content creators and marketing professionals, Originality.ai is often the go-to tool due to its ability to detect AI-generated content and provide plagiarism checks, which are particularly useful for web publishers and writers.

QuillBot

QuillBot was the first on my list to test because I had heard about this tool a lot at the beginning of my career and then used it ample times as well. Designed with writers in mind, it is one of the best AI detector-free services and a safe haven for writers when it comes to proving that their content is original and solely their work of creativity. However, given its exceptional features and extra features, the service can be used by just about anybody.

Related Read: QuillBot AI Detector Review.

Extra Features

• Citation generator

• Premium recommendations

• Paraphrase history

• Compare modes

Accuracy

Here's how QuillBot tests four different styles of text. QuillBot shows solid accuracy overall, effectively distinguishing between AI-generated and human-written content in most cases.

• Human: The text is 45% human. We are confident that this text is entirely human.

• GPT: The text is 62% AI-generated and 38% human. We are 100% sure this text is 100% AI-generated.

• Claude: The text is 100% AI-generated. We are 100% sure this text is AI-generated.

• Mixed: The text is 38% AI-Generated. We are highly certain this text is both human-generated and written by AI.

Price

The service is free of cost.

Pros

• The service provides an extension for MS Word, Google Chrome, and MacOS.

• Users can easily access a free language translator.

• There is no need to sign up for the free service.

• Accurately detects AI content, especially with GPT and Claude, offering reliable results.

Cons

• Only two writing modes are free of cost.

• Both the free and paid plans come with a character limitation.

Overall Rating: 8/10

Scribbr

Scribbr is an AI detection tool that claims to detect all AI content with utmost precision, providing users with accurate results. However, does this claim and the exceptional features it comes with make it a good pick? I cross-checked it for you so that you can use the service without any fear.

Related Read: Scribbr AI Detector Review.

Extra Features

• Percentage score

• Plagiarism checker

• Detailed analysis

• Privacy Assurance

Accuracy

Based on my testing, Scribbr's AI detector is generally accurate, though it can occasionally miss paraphrased AI content. Tests of Scribbr's AI detector are as follows:

• Human: The text is 94% human. We are confident that this text is entirely human.

• GPT: The text is 100% AI-generated. We are 100% sure this text is AI-generated.

• Claude: The text is 100% AI-generated. We are highly confident this text is AI-generated.

• Mixed: The text is 38% AI-Generated. We are highly certain this text is both human-generated and written by AI.

Pricing

• Small document (up to 7500 words) - $19.95

• Normal document (7500-50'0007500-50'000 words) - $49.95

• Large document (50'00050'000 words and above) - $39.95

Pros:

• Offers precise AI detection with minimal false positives.

• Provides detailed percentage breakdowns of AI vs. human-generated content.

• Includes an integrated plagiarism checker for added value.

• Ensures strong privacy and content security.

Cons:

• Struggles with detecting paraphrased AI-generated content.

• Pricing can be expensive, especially for large documents.

Overall Rating: 8.5/10

GPTZero

What is the proclaimed best AI detector on Reddit? Well, GPTzero, of course. The service easily detects content from sources like GPT-3, GPT-4, Gemini, Llama models, and Claude. It has a seven-layer detection model along with some other exceptional features that help this chatgpt checker produce accurate results.

Related Read: GPTzero AI detector Review.

Extra Features

• Google Chrome extension

• Plagiarism checker

• It provides integration with Google Docs, MS Word, Blackboard, Canvas, and other classroom apps.

Accuracy

In my experience, GPTZero is accurate with fully AI or human content, but mixed text detection can be hit or miss.

• Human: The text is 99% human. We are confident that this text is entirely human.

• GPT: The text is 100% AI-generated and 38% human. We are 100% sure this text is 100% AI-generated.

• Claude: The text is 100% AI-generated. We are 100% sure this text is AI-generated.

• Mixed: The text is 95% AI-generated. We are highly certain this text is both human-generated and written by AI.

Pricing

• Basic free scan – scans up to 10'00010'000 words/month and seven scans per hour.

• Premium Plans - $10/month (150'000150'000 words.

• Professional Plan $23/month (500'000500'000 words).

Pros

• User-friendly interface, making it easy for non-technical users.

• Provides detailed confidence scores, helping users understand detection results better.

• Free to use for basic functionality, making it accessible for a wide range of users.

Cons

• May produce false positives for certain human-generated texts.

• Limited features in the free version, with more advanced functionalities requiring a paid plan.

• Struggles with detecting mixed content where AI and human text are combined.

Overall Rating: 7/10

Copyleaks

Copyleaks is definitely one of my favorite AI detection tools on the list. The service is easy to use and provides users with results rather quickly. With its exceptional features, it can be a great pick for you, but I suggest you read a bit into the service before making that decision and see how well its accuracy works.

Related Read: Copyleaks AI Detector Review.

Extra Features

• Plagiairism Checker API

• Writing Assistant

• LMS Integration

• Browser Extension

Accuracy

From my testing, Copyleaks is generally accurate, but it may miss some paraphrased AI content. It provides quick results, but detection can be slower at times.

• Human: This text is human-written. We are 100% sure this text is entirely human-written.

• GPT: This text is AI-generated. We are sure that this text is 100% AI.

• Claude: This text is AI-generated. We are 100% sure this text is AI-generated.

• Mixed: This text is AI-generated. We are highly certain this text is both human-generated and written by AI.

Pricing

• 100 Pages (25'000 words) - $10.99

• 500 Pages (62'500 words) - $40.99

• 1000 Pages (125'000 words) - $75.99

Pros

• Includes a robust plagiarism checker alongside AI detection, providing dual functionality.

• Offers detailed reports with percentage breakdowns and insights.

• Supports multiple languages, making it useful for global users.

• Provides a user-friendly interface with easy integration options for different platforms (e.g., LMS, Google Docs).

Cons

• May struggle with paraphrased or highly modified AI-generated content.

• The free version has limited features and usage, requiring a paid plan for full functionality.

• Detection results can sometimes be slower compared to other AI detection tools.

• High pricing for larger documents or frequent use, making it less affordable for some users.

Overall Rating: 7.8/10

Sapling

Next up on my list to test was the Sapling AI detector, which has recently become popular in the AI detection tool world. The service is deemed to be an AI assistant for business communications and works exceptionally for GPT-3 and GPT texted. However, does this free AI detector work as well as it claims to? Let's find out.

Related Read: Sapling AI Detector Review.

Extra Features

• Detects GPT-3 nd ChatGPT generated content

• Overall and per sentence AI detection.

• Highlights sentences that are AI-generated.

Accuracy

In my tests, Sapling's performance was decent but not highly reliable, especially with mixed or subtle AI-generated content.

• Human: This text is AI-generated. We are 100% sure this text is entirely human-written.

• GPT: This text is AI-generated. We are sure that this text is 100% AI content

• Claude: This text is human-written. We are 100% sure this text is AI-generated.

• Mixed: This text is AI-generated. We are highly certain this text is both human-generated and written by AI.

Pricing

• Free to Use

• Pro: $25/month

Pros

• Easy integration with popular platforms like Google Docs, Microsoft Word, and customer support tools.

• Supports multiple languages, making it versatile for international users.

• User-friendly interface with minimal setup required.

Cons

• May not be as precise in detecting subtle AI-generated content, particularly in mixed human-AI texts.

Overall Rating: 6.8/10

Turnitin

If there is one tool that is the most trusted within the academic world and claimed to be the best AI detector for teachers and students, it has got to be Turnitin. I used this service a lot of times back in my educational days to run plagiarism checks, and hence, I decided to test its credibility on AI detection as well. Let's see whether its accuracy is as good as it claims to be:

Related Read: Turnitin AI Detector Review.

Extra Features

• Protection of submitted papers from others.

• Teachers' comments can be typed or recorded.

• Automated searching tools

Accuracy

Overall, Turnitin demonstrates reliable accuracy in detecting both AI-generated and human-written content across various scenarios.

• Human: This text is likely original. We are confident this text is entirely human-written.
• GPT: This text is likely AI-generated. We are highly certain this text is AI-generated.
• Claude: This text is likely AI-generated. We are highly confident this text is AI-generated.
• Mixed: This text is likely AI-generated. We are highly certain this text contains both human and AI-generated elements.

Pricing

• $3/student annually.

Pros

• Widely recognized for both plagiarism and AI detection, making it a trusted tool in educational settings.

• Provides detailed and comprehensive reports, including percentage breakdowns of AI-generated and plagiarized content.

• Accurately handles long documents, making it ideal for academic papers and essays.

• Seamlessly integrates with learning management systems (LMS) such as Blackboard and Moodle.

Cons

• High pricing, which may be prohibitive for individual users or smaller institutions.

• Primarily designed for educational use, limiting its appeal for non-academic users or businesses.

Overall Rating: 8/10

Originality.ai

Originality.ai is a great service for publishing companies, writers, and artists. The service covers multiple models like GPT-4 and Claude 2 and provides several exceptional extra features in addition to AI detection.

Related Read: Originality AI Detector Review.

Extra Features

• Plagiarism checker

• Automated fact checker

• Readability analysis

Accuracy

Overall, Originality.ai provides reliable detection, distinguishing between human and AI-generated content with high confidence.

• Human: This text is likely original. We are confident this text is human-written.
• GPT: This text is likely AI. We are sure this text is AI-generated.
• Claude: This text is likely AI. We are confident this text is AI-generated.
• Mixed: This text is likely AI. We are highly certain this text contains both human and AI-generated content.

Pricing

• $30 pay-as-you-go option or $14.95/month subscription.

Pros

• Provides accurate AI-generated content detection, particularly useful for web publishers and content creators.

• Includes a plagiarism checker alongside AI detection, offering dual functionality.

• Simple and intuitive interface, making it easy for users to run checks quickly.

• Allows team collaboration, where multiple users can scan content within the same account.

Cons

• No free plan, requiring users to pay from the start for every scan.

Overall Rating: 7.8/10

Writer

The Writer AI Content Detector is a specialized tool designed to identify AI-generated content, ensuring the authenticity of written work. Ideal for businesses, content creators, and professionals, this tool integrates seamlessly with platforms like Google Docs and Microsoft Word, making it easy to use within existing workflows. In addition to detecting AI-generated text, Writer offers writing enhancements such as grammar and style suggestions, helping users refine their content.

Extra Features

• Team collaboration

• Understandable AI score

• Exceptional writing tools

Accuracy

• Human: The text is 100% human. We are confident that this text is entirely human.

• GPT: The text is 27% AI-generated and 31% human. We are 100% sure this text is AI-generated.

• Claude: The text is 44% AI-generated. We are highly confident this text is AI-generated.

• Mixed: The text is 9% AI-Generated. We are highly certain this text is both human-generated and written by AI.

Pricing

• Team: $18/user/month

• Enterprise: Custom pricing

Pros

• Provides accurate AI content detection with a focus on business and professional use cases.

• Offers real-time writing assistance, including grammar and style suggestions, alongside AI detection.

Cons

• Limited features in the free version, with most advanced functionalities behind a paywall.

• Higher pricing, particularly for small teams or individual users, compared to some other AI detectors.

• Not specialized in detecting specific AI models or providing detailed AI breakdowns.

Overall Rating: 7/10

Wrap Up

In conclusion, finding the best AI detector tools depends on your specific requirements, such as accuracy, ease of use, and pricing. The tools reviewed here each offer unique features and strengths, making them suitable for different users, from students to professionals.

If you're facing challenges with AI detection, tools like Tenorshare AI Bypass can help rewrite content to ensure it passes detection, giving you confidence in your work's authenticity.