Ever feel like your students’ writing assignments are just too perfect?
Like they’re not quite matching their usual style?
你并不孤单。
It’s tougher than ever to tell if the work you’re grading is truly your student’s own.
It’s a real problem for academic integrity.
This article will guide you through the 9 best AI detectors for teachers in 2025.
Ready to get your teaching superpower back?
让我们开始吧！
What is the Best AI Detector for Teachers?
最佳人工智能 侦测器 for you depends on your specific needs and budget.
Some are free; some are paid.
Some are better at catching AI-written 文本, while others are easier to use.
To help you choose, we’ve put together a list of our top recommendations:
1. GPTZero (⭐4.8)
GPTZero is an AI detection tool.
It helps you figure out if text was written by a human or an AI.
It’s really useful for educators and anyone who needs to check for AI-generated content.
Unlock its potential with our GPTZero tutorial.
主要优点
- 准确性： Offers 99% accuracy for AI detection.
- 误报： Claims a very low false positive rate (less than 1%).
- 保修单： Comes with a 30-day money-back guarantee.
- 特征： Focuses on perplexity and burstiness, user-friendly interface, supports multiple file uploads, offers batch processing for many documents, integrates with learning platforms.
定价
所有计划都将 每年计费。
- 自由的： 每月 0 美元。
- 基本的： 每月 8.33 美元。
- 优质的： $12.99/month.
- 专业的: $24.99/month.
优点
缺点
2. Originality AI (⭐4.5)
Originality AI is another strong AI content detector.
It also checks for plagiarism, making it a comprehensive tool for content creators and publishers.
It’s built to help maintain content integrity.
Unlock its potential with our Originality AI tutorial.
我们的看法
Ready to ensure your content is 100% human-generated? Originality AI boasts a 94% accuracy rate in detecting AI-written text. Don’t risk your reputation – Go for Originality AI today!
主要优点
- 准确性： Boasts 98-100% accuracy.
- 误报： Has a very low false positive rate, around 2%.
- 保修单： Provides a 7-day satisfaction guarantee.
- 特征： Detects AI-generated and AI-edited content, includes a powerful plagiarism checker, scans entire websites, supports detection in multiple languages, offers an API for custom integrations.
定价
- 优点： 每月 12.95 美元。
- 即用即付： $30 (One time on demand pricing).
- 企业： $136.58/month.
优点
缺点
3. QuillBot (⭐4.0)
QuillBot is an AI-powered writing tool.
It helps you rephrase sentences, check grammar, and even summarize text.
It’s like having a writing assistant that helps you improve your clarity and style.
通过我们的释放其潜力 QuillBot tutorial.
我们的看法
准备好改变你的写作了吗？已有 5000 多万用户体验过 Quillbot 强大的转述功能。现在就来体验吧！
主要优点
- 准确性： 一般人工智能检测精度可达 90% 左右。
- 误报： 假阳性率较低，一般在 5% 以下。
- 保修单： 对高级计划提供 3 天退款保证。
- 特征： 区分人工智能生成的文本和人工智能辅助的人类文本，集成解析和语法工具，为较短的文本提供免费扫描，提供详细的分析报告，界面简单易用。
定价
所有计划都将 每年计费。
- 自由的： 每月 0 美元。
- 优质的： 每月 4.17 美元。
- 团队计划： 根据您的需求定制价格。
优点
缺点
4. Winston AI (⭐3.8)
Winston AI is an advanced AI content and plagiarism detector.
It’s designed to give you a clear picture of whether content is original or if it came from an AI.
It’s a reliable tool for ensuring authenticity.
Unlock its potential with our Winston AI tutorial.
主要优点
- 准确性： Claims an impressive 99.98% accuracy.
- 误报： Reports a near-zero false positive rate.
- 保修单： Includes a 14-day refund policy.
- 特征： Detects AI content from various models like GPT-4o and Gemini, includes an optical character recognition (OCR) feature, offers AI image detection, provides batch processing for bulk checks, has a clean, intuitive design.
定价
- 自由的： 每月 0 美元。
- 基本的： 每月 10 美元。
- 先进的: $16/month.
- Elite: $26/month.
优点
缺点
5. Smodin (⭐3.5)
Smodin is a versatile AI writing and detection platform.
It offers tools for content creation, rewriting, and checking for AI-generated text and plagiarism.
It’s a comprehensive suite for various writing tasks.
Unlock its potential with our Smodin tutorial.
主要优点
- 准确性： Provides around 95% accuracy for AI content.
- 误报： Has a low false positive rate, typically 3-4%.
- 保修单： No specific warranty mentioned; relies on subscription terms.
- 特征： Combines AI detection with plagiarism checking, supports multiple languages, offers a content rewriter tool, includes a citation generator, good for academic and research papers.
定价
所有计划都将 每年计费。
- Writing: 每月 9 美元。
- Reviewing: $15/月。
- 最终的: $18/month.
优点
缺点
6. Quetext (⭐3.3)
Quetext is primarily a plagiarism 测试器.
It helps writers and educators ensure the originality of their work by scanning against a vast database.
It’s straightforward and effective for maintaining academic integrity.
Unlock its potential with our Quetext tutorial.
主要优点
- 准确性： Delivers approximately 92% accuracy in AI detection.
- 误报： Maintains a low false positive rate, around 4%.
- 保修单： No explicit warranty; focuses on subscription service.
- 特征： Uses “DeepSearch” technology for thorough analysis, highlights both AI and plagiarized content, offers a clear, color-coded report, provides a citation assistant, good for academic and journalistic integrity.
定价
所有计划都将 每年计费。
- 自由的： 每月 0 美元。
- 企业：每月 11.99 美元。
- 基本的： $13.99/month.
优点
缺点
7. Undetectable (⭐3.2)
Undetectable is an AI content humanizer and detector.
It aims to 制作 AI-generated text sound more natural and human-like, and it can also detect if content was produced by AI.
It’s useful for refining AI output.
Unlock its potential with our Undetectable tutorial.
我们的看法
Give Undetectable AI a try! It bypasses 98% of AI content detectors, ensuring your AI-generated text goes undetected. Explore it today!
主要优点
- 准确性： Offers up to 90% accuracy in detecting AI.
- 误报： Claims a low false positive rate, about 5%.
- 保修单： No specific warranty; subscription-based.
- 特征： Focuses on humanizing AI-generated content, checks against various AI detectors, aims to bypass common AI filters, useful for SEO and content marketing, simple and straightforward interface.
定价
- 每年一次 每月 5 美元。
- 每月： $19.00/month.
- For 商业：根据您的需求定制价格。
优点
缺点
8. Phrasly AI (⭐3.0)
Phrasly AI is an AI paraphrasing and content improvement tool.
It helps users rephrase content to make it more unique or to improve its clarity and flow.
It’s great for refreshing existing text.
Unlock its potential with our Phrasly AI tutorial.
主要优点
- 准确性： Provides around 88-90% accuracy for AI detection.
- 误报： Reports a moderate false positive rate, around 6%.
- 保修单： Not explicitly stated; service is subscription-based.
- 特征： Specializes in making AI content undetectable, offers an AI rewriter, provides readability scores, quick and easy to use, aims to help content rank better.
定价
- 自由的： 每月 0 美元。
- 无限： $12.99/month.
优点
缺点
9. Grammarly (⭐2.8)
Grammarly is a widely used writing assistant.
It helps with grammar, spelling, punctuation, clarity, and more.
It’s a comprehensive tool for improving written communication across various platforms.
通过我们的释放其潜力 Grammarly 教程.
我们的看法
想要专家级写作？Grammarly Premium 的抄袭检查功能扫描超过 160 亿个网页，确保原创性。立即探索！
主要优点
- 准确性： 提供强大的 AI 检测，通常在 90-92% 左右。
- 误报： 保持较低的误报率，一般低于5％。
- 保修单： 适用标准订阅条款，无特定保证。
- 特征： 将 AI 检测与语法和拼写检查相结合，提供抄袭检测，提供实时反馈，可作为浏览器扩展使用，有助于提高整体写作质量。
定价
所有计划都将 每年计费。
- 自由的： 每月 0 美元。
- 优点： 每月 12 美元
- 企业： 根据您的需求定制价格。
优点
缺点
What to Look For in an AI Detector for Teachers?
- 准确性： Does it consistently and reliably identify AI-generated content? Look for high accuracy rates in reviews and independent tests.
- 易于使用： Is the interface intuitive? Can you easily upload or paste text for analysis? The best tools save you time, not create more work.
- 定价： Does it fit your budget? While some tools are free, others offer more features at a cost. Consider the value you’re getting for your money.
- 误报： How often does it mistakenly flag human-written text as AI-generated? This can be frustrating & lead to unnecessary conflict with students.
- 附加功能 Does it offer plagiarism detection, grammar checks, or other helpful tools for educators? Some platforms provide a suite of features beyond just AI detection.
- Educational Discounts: Some companies offer special pricing for educators. Be sure to inquire about any discounts that may be available.
How Can AI Detectors Benefit Teachers?
AI detectors are more than just cheat-catchers. They empower teachers to foster academic integrity while adapting to the evolving landscape of education.
By quickly identifying AI-generated content, teachers can engage in meaningful conversations with students about the responsible use of 人工智能工具.
These detectors also save valuable time, freeing educators to focus on providing personalized feedback and creating engaging learning experiences.
Additionally, AI detectors help level the playing field, ensuring that all students are assessed fairly based on their knowledge and skills.
In the long run, these tools contribute to a more honest and authentic learning environment where students are encouraged to develop critical thinking & original ideas.
买家指南
To determine the best AI detector for teachers, we conducted our research by focusing on several key factors.
Our methodology involved a systematic approach to evaluate various AI detection tools available in the market.
以下是我们进行研究的方式：
- Initial Keyword Search: We began by performing extensive searches using terms like AI detection tool, AI detection tools, AI checker, detection tools, AI content detection tools, AI checker tool, best AI detection tools, and detection tool to identify a broad range of potential products.
- Feature Analysis: For each identified AI detection tool, we meticulously analyzed its features. This included looking for functionalities specifically beneficial for educators, such as integration with learning management systems, AI writing tools, plagiarism checking capabilities beyond AI detection, and ease of use for teachers and students. We also considered features related to AI writing, AI writing tool and detecting AI writing to ensure comprehensive coverage.
- Pricing Comparison: We investigated the pricing of each product, comparing different subscription models, free trials, and educational discounts to assess their cost-effectiveness for teachers and institutions.
- Identification of Negatives: We critically examined what was missing from each product. This involved identifying limitations in accuracy, types of AI-generated content they could detect, or user interface issues.
- Support and Refund Policy Review: We thoroughly researched the support or refund policies of each provider. This included looking for the availability of customer support, community forums, tutorials, and clear refund policies to ensure teachers would have adequate assistance and recourse if needed. We also considered how these tools aligned with broader AI technologies in education.
Through this comprehensive process, we aimed to provide a well-rounded and reliable guide for teachers seeking the most effective AI detection solutions.
总结
Navigating the world of AI-generated content can feel like a maze.
But with the right AI detector tool, teachers can stay ahead of the curve.
By understanding the features, pros, & cons of different tools, you can confidently choose the one that best suits your needs.
And helps you detect AI-generated content effectively.
Remember, the goal isn’t just to catch cheating but to foster a learning environment where students develop critical thinking and authentic expression.
With the help of a reliable AI detector, you can empower students to create original work while maintaining academic integrity.
常见问题
Are AI detectors accurate in identifying AI-written content?
Yes, but accuracy varies across tools and AI models. Reputable AI detectors often boast high accuracy rates, but it’s essential to remember that AI technology is constantly evolving.
Can students bypass AI detectors?
While some students might try to manipulate AI-generated text to avoid detection, advanced detectors are continuously updated to recognize such attempts.
Should I solely rely on AI detectors to assess student work?
No, AI detectors should be used as one tool among many. Combine them with your expertise, classroom discussions, and other assessment methods for a comprehensive evaluation.
Are there free AI detectors available for teachers?
Yes, several free AI detectors, like GPTZero, are available. However, paid options often offer more advanced features and higher accuracy.
How do AI detectors impact the learning environment?
AI detectors can foster academic integrity and encourage students to develop their own critical thinking & writing skills. They can also help teachers identify areas where students might need additional support.
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