In 2023, a Quizlet study revealed how educators are using AI in the classroom. The top AI use cases for teachers are research (44%), followed by generating lesson plans (38%), summarizing or synthesizing information (38%), and generating classroom materials like tests and assignments (37%). The study furthers that the majority (51%) believe these technologies will have a positive impact on the future of education for teachers, while 21% said they will not have a positive or negative impact.
This research shows the rapid adoption of AI in education, offering immense potential for transforming the learning experience. Emphatically, the global AI in the education market was worth $3.042 billion in 2022 and is expected to reach $6 billion by 2025.
However, students are increasingly misusing AI to complete their assignments, raising concerns about fairness, academic integrity, and the originality of their work. This misuse not only undermines the learning process, but also presents challenges for educators trying to maintain standards in the classroom.
To maintain academic integrity, educators need reliable AI detection tools that can correctly analyse student submissions, detect AI-generated content, and offer effective tools to identify AI writing in assignments.
So, are you a teacher, educator, academic professional, and administrator looking for tools to ensure academic integrity in assignments and projects? This article is for you!
It will walk you through some of the best AI detectors for teachers in 2025, along with their features, benefits, and use cases. It will also help readers discover and select the most effective AI detection tools to maintain fairness and originality in student work.
Key Takeaways
- Some of the top AI detection tools in 2025 include Originality.ai, GPTZero, ZeroGPT AI content detector, Winston AI, QuillBot, Copyleaks, and Turnitin.
- To maintain academic integrity, educators need reliable AI detection tools that can correctly analyse student submissions, detect AI-generated content, and offer effective tools to identify AI writing in assignments.
- Choosing the right AI detector for your classroom requires careful consideration involving some factors that align with your specific needs.
- Educators should balance reliance on the tools to avoid having trust breach with the students, meaning that they should communicate openly with students about the need tools.
- The benefits of AI detectors include, Reducing teacher workload, maintaining academic integrity, reduction of cheating and encouraging critical thinking.
7 Top AI detectors for teachers
- Originality.ai
- GPTZero
- ZeroGPT AI Content Detector
- Winston AI
- Quillbot
- CopyLeaks
- Turnitin
1. Originality.ai
Originality.ai is a tool that uses artificial intelligence (AI) to check for plagiarism, detect AI-generated content, and assess readability.
| Features | Description |
| AI detection | It can detect AI-generated text produced by several AI text generation models (including GPT-3, GPT-3.5 (DaVinci-003), GPT-4, Gemini and Gemini Pro 1.5, Claude and Claude 3.5 Sonnet, Llama, Mistral, Grok, ChatGPT, and GPT-4o-mini). |
| Plagiarism detection | It has a plagiarism checker that highlights potentially plagiarized content for further review. |
| User-friendly interface | It has an easy-to-access interface |
| Bulk Scanning | It analyses multiple documents at once. |
| Team collaboration | Allows you to add multiple team members to your account to effortlessly share resources and previous scan results. |
| High Accuracy | It delivers reliable result |
| Detailed Reports | It generates in-depth insights with percentages. |
| Pricing | Cost | Features |
| Pay as you go (One-time on-demand pricing) |
$30 | 3,000 credits (One time)2 years expiry1 credit equals 100 wordsAI CheckerPlagiarism checkerReadability checkerGrammar & spelling checkerFact Checking Aid30 days scan historyShareable reports.Word press plugin |
| Pro (For individuals and small teams.) |
$12.95/month | Everything in Pay as you go2,000 credits per month1 month expiry—renews monthly1 credit equals 100 wordsStandard supportFile upload (docs, pdf, doc)Full site scansTeam managementTag scansAccess to future featuresAccess to Chrome Extension, which allows you to run scans directly in Google Docs and watch a replay of the writing process.Chrome extension |
| Enterprise | $136.58/month | Everything in Pro15,000 credits per month1 month expiry—renews monthly1 credit equals 100 wordsPriority support365days scan historyAPI access |
What I liked
Let the best of tech news come to you
Join 30,000 subscribers who receive Techpoint Digest, a fun week-daily 5-minute roundup of happenings in African and global tech, directly in your inbox, hours before everyone else.
- Subscription or pay-as-you-go pricing.
- Easy-to-use interface
- You can simultaneously scan for plagiarism and AI.
What i didn’t like
- May occasionally label AI-generated text as human-generated text.
- More expensive than some free AI detection tools
Use cases
Originality.AI helps educators detect plagiarism and AI-generated content in assignments to ensure academic integrity. It can also verify the originality of research papers, lesson plans, and study materials.
2. Quillbot
QuillBot is an AI-powered writing tool that helps users rewrite, summarize, and improve their writing. Beyond being an AI detection tool, it also offers users a complete writing solution with AI tools for grammar, paraphrasing, and summarising.
| Features | Description |
| AI detector | It identifies AI-generated texts |
| Plagiarism Integration | It combines AI detection with plagiarism checks |
| User-friendly interface | It is easy to use and operate |
| Detailed analysis report | It provides detailed analysis and a percentage score for clear evaluation. |
| Integration options | You can integrate it in your Google docs and chrome extension |
| Grammar checker | It identifies and corrects grammatical errors to improve writing accuracy. |
| Multiple language support | You can operate with languages such as English, German, French, and Spanish. |
| Paraphrasing tool | It rewrites text while maintaining the original meaning. |
| Pricing | Cost | Feature |
| Free | Free | Paraphrase up to 125 wordsParaphrase in 2 modesGenerate basic summariesAccess AI Detector (1,200 words)Get basic proofreading |
| Premium | $9.95 per month Semi Annual ($6.66 USD per month) ($39.95 billed every 6 months) Annual ($4.17 USD per month) ($49.95 billed every 12 months) |
Paraphrase unlimited textParaphrase in unlimited modesCreate Custom summariesAccess AI Detector (unlimited words)Get advanced proofreadingPrevent accidental plagiarism |
What I liked
- Easy-to-use interface
- It combines AI and plagiarism detection
- Affordable plans
- You can try Premium for 3 days and get a refund if you’re not satisfied.
- You can pause your subscription
What i didn’t like
- Free features may be limited, with advanced options requiring subscription.
Use Cases
It is suitable for academic, professional, and personal content verification.
3. Turnitin
Turnitin is another platform used by educators to ensure academic integrity and originality. It has advanced tools to detect AI-generated content and plagiarism, among others.
| Features | Description |
| AI detector | It identifies AI-generated texts. |
| Plagiarism checker | Compares submitted work to a large database of student work, books, websites, and articles identify potential plagiarism |
| Integration Options | It allows for integration with Learning Management Systems (LMS) like Moodle and Blackboard. |
| Online grading | It allows teachers to grade assignments online |
| Personalised feedback | It allows teachers to provide students with feedback |
| Global content database | It accesses many of web pages, journal articles, and institutional submissions for comprehensive analysis. |
| Bulk scanning | It allows users to upload multiple assignments in a single batch. |
Pricing
Turnitin does not offer individual license purchases to users. So, Turnitin offers its services through institutional licenses, meaning that schools, universities, and other educational organisations purchase access on behalf of their educators and students.
What I liked
- Allows integration with LMS
- Provides comprehensive analysis
- Accurate detection
What i didn’t like
- It may flag common phrases or properly cited content as similarities.
- Not available for individual purchase.
Use cases
Educators use Turnitin to detect plagiarism, AI-generated content, verify assignment originality, streamline grading, support peer reviews, and evaluate essays.
4. GPTZero
GPTZero is an advanced AI detection tool used by educators and institutions to identify text generated by AI tools like GPT models. While it prevents academic dishonesty, it reportedly enables false positives, which can be especially harmful in academic settings
| Features | Description |
| Perplexity-based AI detection | It measures the randomness of text with its perplexity score, where higher scores signify a human touch. |
| Detailed reports | It provides detailed analysis and a percentage score for clear evaluation. |
| Real-time analysis | It provides instant text evaluation for users. |
| Burstiness analysis | It evaluates the uniformity of sentence lengths and distribution structure, known as burstiness, to determine human writing. |
| Multilingual support | Allows multiple languages |
| Pricing | Cost | Features |
| Free | Free | 10,000 words per monthBasic AI Scan5 Free Advanced Scans |
| Essential | $8.33/ month | 150,000 words per monthBasic AI scanGrammar checkAI vocabulary checkChrome extension |
| Premium | $12.99/ month | 300,000 words per monthAll of essentialAdvanced scanWriting feedbackPlagiarism checkSource and generate Citation |
| Professional | $24.99/ month | 500,000 words per monthAll of PremiumUp to 10 million words overageTeams CollaborationEnterprise-grade securityFor teams and enterprises |
What I liked
- Excellent for educational use
- API integration
- Unlike many other detection tools, it free-to-use version offers up to 10,000 words per month
What i didn’t like
- Limited free features.
- Has past history of high false positives
Use cases
GPTZero helps educators detect AI-generated content in student work, promoting academic integrity.
5. ZeroGPT AI detector
ZeroGPT is another AI detection tool that helps to identify AI-generated text by AI systems like GPT.
| Features | Description |
| AI detection | It identifies AI-generated texts. |
| Detailed analysis report | It provides detailed analysis and a percentage score for clear evaluation. |
| Multiple language support | Detects AI-generated text in multiple languages |
| Accuracy | It offers accurate detection with low false positives |
| Data privacy | It doesn’t store analysed content |
| Pricing | Cost | Features |
| Pro | $7.99 | 100,000 Characters per AI detection50 Batch files check for AI detectionGenerate PDF report for AI detectionHistory of all your detections (text not included)2,000 Prompts in ZeroCHAT-4750 Words in Plagiarism Checker per month1,500 Words in AI Summariser300 Words in AI ParaphraserParaphrase in 2 Modes1,000 Words in AI Grammar & Spell Check500 Words in AI TranslatorGenerate Emails & Replies with AI |
| Plus | $14.99 | 100,000 Characters per AI detection50Batch files check for AI detectionGenerate PDF report for AI detectionHistory of all your detections (text not included)2000 Prompts in ZeroCHAT-525,000 Words in Plagiarism Checker per month1500 Words in AI Summarizer300 Words in AI ParaphraserParaphrase in 2 Modes1000 Words in AI Grammar & Spell Check500 words in AI TranslatorGenerate Emails & Replies with AI |
| Max | $18.99 | 125,000 Characters per AI detection75 Batch files check for AI detectionGenerate PDF report for AI detectionHistory of all your detections (text not included)3,500 Prompts in ZeroCHAT-540,000 Words in Plagiarism Checker per month10,000 Words in AI Summarizer5,000 Words in AI ParaphraserParaphrase in Unlimited Modes10,000 Words in AI Grammar & Spell Check3,000 Words in AI TranslatorGenerate Emails & Replies with AIAccess ZeroGPT on Whatsapp and Telegram |
What I liked
- Detect AI-generated text at a document, paragraph, and sentence level.
- You can get probabilities and detailed statistics.
- You can translate your text with all languages supported.
- Easy to use
- No text you paste is saved or available online, and content is not used to train the AI model.
What i didn’t like
- Like other AI detection tools, it may generate false positives or negatives.
Use cases
Educators use ZeroGPT to ensure academic integrity, businesses use it to verify authenticity in reports and emails, and publishers use it to review submitted manuscripts for plagiarism.
6. Winston AI
Winston AI is a dedicated AI content detector that works with GPT-4, Google Gemini, and other LLMs. According to its website, the AI detector has a 99.98% accuracy rate.
| Features | Description |
| AI detection | It identifies AI-generated texts. |
| plagiarism detection | Compares text against online sources and academic databases to identify plagiarised material. |
| Integration option | It allows for third-party integration |
| Optical Character Recognition | You can even upload document photos and still receive accurate and reliable results. |
| Printable reports | It allows you to share your findings with others in a report format. |
| Documents upload | It allows for document upload |
| Pricing | Cost | Features |
| Free | Free | 2,000 credits/14-day trialAI Content detection (ChatGPT, Gemini, Claude and much more)AI Image & deepfake detection (Midjourney, DALL-E, Stable Diffusion and more)Email and Chat supportScan documentsHUMN-1 website certification /14 day trialScan pictures and handwriting (OCR)Generate shareable PDF reportsAdvanced plagiarism detectionInvite team membersTop-up credits |
| Essential | $12/ month | 80,000 credits / monthAI Content detection (ChatGPT, Gemini, Claude and much more)AI Image & deepfake detection (Midjourney, DALL-E, Stable Diffusion and more)Writing FeedbackEmail and chat supportScan documentsScan pictures and handwriting (OCR)Generate shareable PDF reportsAdvanced plagiarism detectionInvite team membersTop-up Credits |
| Advanced | $19/ month | 200,000 credits / monthAI content detection (ChatGPT, Gemini, Claude and much more)Advanced plagiarism detectionAI Image & deepfake detection (Midjourney, DALL-E, Stable Diffusion and more)Writing FeedbackEmail and chat supportScan documentsScan pictures and handwriting (OCR)Generate shareable PDF reportsHUMN-1 website certificationUp to 5 team membersTop-up Credits |
| Elite | $32/ month | 500,000 credits / monthAI content detection (ChatGPT, Gemini, Claude and much more)Advanced plagiarism detectionAI Image & deepfake detection (Midjourney, DALL-E, Stable Diffusion and more)Writing FeedbackEmail and Chat supportScan documentsScan pictures and handwriting (OCR)Generate shareable PDF reportsHUMN-1+ website certificationUnlimited team membersTop-up Credits |
What I liked
- User-friendly interface
- The backlog of previous scans allows users to revisit previous scores for reference.
- Provides detailed reports
What i didn’t like
- Absence of plagiarism detection in the free version.
- Limited free access.
Use Cases
It can be used by educators to detect AI-generated assignments. For writers, it can also provide insights on your content’s originality and “human score” by getting an assessment before publishing.
7. Copyleaks
Copyleaks has been a major plagiarism detection tool until recently, when it expanded capabilities to include AI content detection.
| Features | Description |
| AI detection | It identifies AI-generated texts |
| Plagiarism checker | Compares text against online sources and academic databases to identify plagiarised material. |
| Integration options | It offers LMS and API integration for agencies and educators, making it easy to use within your website or learning management system. |
| Browser extension | It allows for browser extension |
| Real-time results | It provides instant analysis |
| Document format support | It allows for multiple file formats like Word, PDF, and plain text. |
| Pricing | Cost | Features |
| AI+plagiarism detection | $13.99/month | Up to 1,200 CreditsPause your account at anytimeDetection across multiple languagesMultiple forms of paraphrasing detectionDetection of the most popular AI models, including ChatGPT, Gemini, and Claude, with over 99% accuracy.Two users included. |
| Plagiarism checker | $8.99/month | Up to 1,200 CreditsPause your account at anytimeMultiple forms of paraphrasing detectionCross-language detectionDetection of source code plagiarismTwo users included. |
| AI detector | $7.99/month | Up to 1,200 CreditsPause your account at anytimeDetection in over 30 languages, with more in the worksDetection of the most popular AI models, including ChatGPT, Gemini, and Claude, with over 99% accuracy.Two users included. |
| Enterprise & LMS | Custom pricing | API integration (white label available)Turnkey LMS integrationsEnterprise grade securityCustomer permissions + SSODedicated Customer Success Team |
What I liked
- Convenient scoring
- Browser integration
- The Copyleaks browser extension allows you to check online pages for AI-generated content (without manual copy-pasting).
What i didn’t like
Use Cases
Educators can use Copyleaks to detect plagiarism and AI-generated text in student assignments, academic papers, and professional documents. It can be integrated with LMS platforms for easy evaluation.
How do AI detectors work?
AI detectors are tools designed to detect when a text was partially or entirely generated by artificial intelligence (AI) tools such as ChatGPT. They analyse text to see if it’s human or AI-generated, using algorithms to look at how words and sentences are used and comparing the text to large collections of known AI-generated and human-written content.
Below is how they generally work:
- Pattern recognition: AI detection tools scan for pattern recognitions just like recognising your colleague’s writing style. They often target repeated phrases or unusual word combinations and compare against established databases of both human and AI writing.
- Database comparison: Different tools specialize in different types of content. While some tools focus on spotting academic copying, others specialize in identifying AI writing characteristics, which can be helpful if you’re concerned about originality rather than direct plagiarism.
- Lastly, they calculate how likely it is that AI created the text. These tools give you a score or percentage (although that accuracy varies between tools). Some tools show you exactly which parts seem AI-generated and explain their reasoning so that you can understand what went into their analysis.
Benefits of using AI detectors in education
- Reducing teacher workload: AI detectors reduce the time and effort teachers spend on verifying assignments. Instead of manually reviewing scripts for signs of AI usage, teachers can rely on AI detection tools to conduct thorough and efficient checks, freeing them up for other important tasks. The detection tools streamline the process by quickly and accurately identifying AI-generated content.
- Maintains academic integrity: Academic integrity is important in ensuring value in education. AI tools now generate essays, reports, and fictional works, raising concerns about students submitting AI-created contents. To address this, teachers use AI detectors to uphold integrity, ensuring students produce their own work.
- Fostering originality in student work: The use of AI detectors encourages students to engage with their assignments more deeply, encouraging independent thinking and creativity. This ultimately enhances the quality of their learning experience and helps them develop critical skills.
- Reduces cheating: Cheating in education has been a concern, amplified by AI-generated content. AI detectors prevent students from submitting AI-written work, reducing academic dishonesty. These tools can detect even little manipulations, discouraging many students from cheating.
How to choose the best AI detector for your classroom
Choosing the right AI detector for your classroom should not be a snap decision. It requires careful consideration involving some factors that align with your specific needs:
- Budget: Before choosing an AI detector, ensure that you compare the options and shortlist the ones that align with your budget and expectations regarding features and performance.
- Classroom requirements: When you want to choose an AI detector for your classroom, consider factors like class size, assignment types, and the frequency of AI-generated submissions. This will let you know what detector is the most suitable.
- Privacy compliance: Ensure that the tool is in line with the relevant privacy laws and regulations to protect necessary data.
- Transparency: When selecting an AI detector, be sure to research whether the company offers a transparent analysis of its accuracy and false positive rates, as well as how it approaches user content.
- Exceptional customer support: Customer support is another factor to consider when choosing an AI detector. If you have a question or a potential issue arises, it’s important to have a way to reach out and get the answers you need.
- Leverage the trial versions offered by the AI detection tools. This allows you to evaluate the effectiveness of each tool to detect AI-generated content in sample submissions and also provide you with valuable insights into the accuracy and reliability of each tool.
Key features to look for in an AI detector for teachers
When you are evaluating AI detector options, prioritize tools with the following features:
Since there are many AI detectors, there tends to be competition in choosing the best one for your needs. To achieve this, start by comparing the degree of accuracy. Accuracy can vary across brands and AI detection models. It should be able to detect AI-generated content in assignments with minimal errors.
- Integration capabilities with classroom management systems
Integration with learning management systems (LMS) like Blackboard or Moodle is valuable in educational settings. So, consider the integration capabilities that will enable the tool to work well with your school’s learning management systems.
Ensure the tool is user-friendly with the interface for quick and efficient analysis. This will make your checks quicker and easier.
- Detailed analysis reports
The tool should offer in-depth insights into flagged content, helping teachers gain a clearer understanding and engage in meaningful conversations with students about originality and academic integrity.
- Real-time or bulk text scanning options
Another crucial feature is the real-time and bulk text scanning. Real-time scanning in this context involves analysing text immediately after submission, providing instant feedback. Bulk text scanning allows for uploading or submitting multiple documents at once for analysis.
This feature allows teachers to manage smaller tasks in real-time and process larger assignments.
The AI detection tool should allow for the adjustment of detection sensitivity based on assignment requirements. This helps the tool fit the needs of each task and reduces the chances of false positives.
A valuable AI detector should also include a plagiarism detection feature, enabling a holistic evaluation of content. This dual function ensures that content is not only AI-free but also original.
Challenges and ethical considerations in AI detection
While the use of AI detection tools in the education sector comes with its benefits, it also presents several challenges and ethical considerations. Below are some of the major issues:
A false positive occurs when an AI detector incorrectly flags human-written content as AI-generated. This can have serious consequences, leading to false accusations. This could occur because of limitations in the tools’ algorithms or because of dataset training that couldn’t cover all potential human writing styles.
To address this, educators should not rely only on AI detection tools. They should include additional methods, such as engaging the student or using multiple detection tools for cross-validation.
- Over-reliance on detectors
Excessive reliance on detectors could affect direct interactions and assessments of students’ abilities and progress. It can also reduce critical thinking. To address this, educators should only use detectors as a support and not to replace humans totally.
- Maintaining trust with students
The use of AI detectors may lead to a negative mindset from the student, which could affect the trust between them and the educators. Students may feel that their privacy is being violated, which may lead to a negative academic experience.
To address this, educators should prioritize proper communication about the need for AI detection and its role in maintaining academic integrity.
The AI detection tool may be biased based on the dataset it is exposed to. It may work better for certain writing styles or language patterns, which may not work in cases of diverse linguistic and educational backgrounds. Developers should ensure that AI detection systems are trained on diverse backgrounds with regular updates and assessments.
For instance, a study indicated that some AI detectors were biased against non-native English writers.
Another challenge is the proper use of data since the detection tools may collect the students’ work, raising concerns about information storage and usage. Students may feel that their intellectual property is at risk, and there could be concerns about the misuse of personal data.
To address this, it is important to have clear data usage policies, which will include provisions like using student works only for detection purposes and not stored longer than necessary. Data protection measures should also be introduced.
One of the key approaches is to anonymize data by removing or altering personal identifiers from datasets. This minimizes the risk of identifying individuals and ensures that even if a breach occurs, the data remains unusable.
FAQs Section
What is the best AI detector for teachers?
The best AI detector for teachers is Turnitin for features like providing comprehensive plagiarism and AI detection with LMS integration.
How accurate are AI detection tools in identifying AI-generated content?
Many AI detection tools claim accuracy rates between 95% and 99% even though false positives have remained a major concern.
Can AI detectors differentiate between human and AI writing?
Yes, AI detectors can differentiate between human and AI writing to a large extent. Meanwhile, their accuracy depends on the level of advancement.
Are there free AI detection tools available for teachers?
There are AI detectors that offer free versions but with limitations. For instance, GPTZero provides a free tier with 10,000 words per month for basic AI scans, ZeroGPT offers a free plan with limited scans and basic AI detection, and Winston AI includes a 14-day free trial with limited credits for AI content detection.
How does Turnitin detect AI-generated text?
Turnitin uses its AI detection tool to analyse text for features of AI-generated contents, including writing style, patterns, structures, and tone. It compares content against extensive databases of academic work and online content.
Which AI detectors are best for academic use?
AI detectors like Turnitin, GPTZero, QuillBot, and Originality.ai are best for academic use.
How do AI detection tools integrate with classroom platforms?
AI detection tools integrate with classroom platforms through APIs or direct integrations with LMS like Moodle and Blackboard.
What are the limitations of AI detection tools for teachers?
The limitations of AI detection tools for teachers include false positives and failure to sometimes detect AI-generated content edited to resemble human writing. There is also limited context understanding, data privacy concerns, and integration challenges.
Conclusion
No doubt, AI is making learning experiences easier, leading to its rapid adoption, particularly in the education sector. However, its misuse by students has also mandated the need for teachers to consider AI detection tools to maintain academic integrity. While this is an important move for the teachers, it is highly important for them to understand that no AI tool is perfect.
Educators should balance reliance on the tools to avoid having trust breaches with the students, meaning that they should communicate openly with students about the need for the tools.
Disclaimer
This publication, review, or article (“Content”) is based on our independent evaluation and is subjective, reflecting our opinions, which may differ from others’ perspectives or experiences. We do not guarantee the accuracy or completeness of the Content and disclaim responsibility for any errors or omissions it may contain.
The information provided is not investment advice and should not be treated as such, as products or services may change after publication. By engaging with our content, you acknowledge its subjective nature and agree not to hold us liable for any losses or damages arising from your reliance on the information provided. Always conduct your own research and consult professionals where necessary.
