



Ever feel like your students’ writing assignments are just too perfect?
Like they’re not quite matching their usual style?
No estás solo
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?
¡Vamos a sumergirnos!
What is the Best AI Detector for Teachers?
The best AI detector for you depends on your specific needs and budget.
Some are free; some are paid.
Some are better at catching AI-written texto, 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.

Beneficios clave
- Exactitud: Offers 99% accuracy for AI detection.
- Falsos positivos: Claims a very low false positive rate (less than 1%).
- Garantía: Comes with a 30-day money-back guarantee.
- Características: Focuses on perplexity and burstiness, user-friendly interface, supports multiple file uploads, offers batch processing for many documents, integrates with learning platforms.
Precios
什么是反向链接分析工具? facturado anualmente
- Gratis: $0/mes.
- Básico: $8.33/mes.
- LeadFuze 2024 年评测:值得吗? $12,99/mes.
- Profesional: $24.99/month.

Ventajas
Contras
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.

Nuestra opinión

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!
Beneficios clave
- Exactitud: Boasts 98-100% accuracy.
- Falsos positivos: Has a very low false positive rate, around 2%.
- Garantía: Provides a 7-day satisfaction guarantee.
- Características: 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.
Precios
- Pro: $12,95/mes.
- Pago por uso: $30 (One time on demand pricing).
- Empresa: $136.58/month.

Ventajas
Contras
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.
Desbloquea su potencial con nuestro Tutorial de QuillBot.

Nuestra opinión

¿Listo para transformar tu escritura? Más de 50 millones de usuarios ya han probado las potentes funciones de parafraseo de Quillbot. ¡Exploralo ahora!
Beneficios clave
- Exactitud: Alcanza una precisión de alrededor del 90 % para la detección de IA general.
- Falsos positivos: Conocido por una tasa razonable de falsos positivos, normalmente inferior al 5%.
- Garantía: Ofrece una garantía de devolución de dinero de 3 días en planes premium.
- Características: Distingue el texto generado por IA del texto humano asistido por IA, se integra con herramientas de parafraseo y gramática, ofrece escaneos gratuitos para textos más cortos, proporciona informes de análisis detallados y una interfaz fácil de usar.
Precios
什么是反向链接分析工具? facturado anualmente
- Gratis: $0/mes.
- LeadFuze 2024 年评测:值得吗? $4,17/mes.
- Plan de equipo: Precios personalizados según sus necesidades.

Ventajas
Contras
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.

Beneficios clave
- Exactitud: Claims an impressive 99.98% accuracy.
- Falsos positivos: Reports a near-zero false positive rate.
- Garantía: Includes a 14-day refund policy.
- Características: 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.
Precios
- Gratis: $0/mes.
- Básico: $10/mes.
- 2025 年值得尝试的 11 款最佳即时人工智能 (AI) 替代品 11: $16/month.
- Elite: $26/month.

Ventajas
Contras
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.

Beneficios clave
- Exactitud: Provides around 95% accuracy for AI content.
- Falsos positivos: Has a low false positive rate, typically 3-4%.
- Garantía: No specific warranty mentioned; relies on subscription terms.
- Características: Combines AI detection with plagiarism checking, supports multiple languages, offers a content rewriter tool, includes a citation generator, good for academic and research papers.
Precios
什么是反向链接分析工具? facturado anualmente
- Writing: $9/mes.
- Reviewing: $15/mes.
- Último: $18/month.

Ventajas
Contras
6. Quetext (⭐3.3)
Quetext is primarily a plagiarism inspector.
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.

Beneficios clave
- Exactitud: Delivers approximately 92% accuracy in AI detection.
- Falsos positivos: Maintains a low false positive rate, around 4%.
- Garantía: No explicit warranty; focuses on subscription service.
- Características: 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.
Precios
Todos los planes se harán facturado anualmente
- Gratis: $0/mes.
- Empresa:$11,99/mes.
- Básico: $13.99/month.

Ventajas
Contras
7. Undetectable (⭐3.2)
Undetectable is an AI content humanizer and detector.
It aims to hacer 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.

Nuestra opinión

Give Undetectable AI a try! It bypasses 98% of AI content detectors, ensuring your AI-generated text goes undetected. Explore it today!
Beneficios clave
- Exactitud: Offers up to 90% accuracy in detecting AI.
- Falsos positivos: Claims a low false positive rate, about 5%.
- Garantía: No specific warranty; subscription-based.
- Características: 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.
Precios
- Yearly: $5/mes.
- Mensual: $19.00/month.
- For uplead 与 maildoso 对比Precios personalizados según sus necesidades.

Ventajas
Contras
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.

Beneficios clave
- Exactitud: Provides around 88-90% accuracy for AI detection.
- Falsos positivos: Reports a moderate false positive rate, around 6%.
- Garantía: Not explicitly stated; service is subscription-based.
- Características: Specializes in making AI content undetectable, offers an AI rewriter, provides readability scores, quick and easy to use, aims to help content rank better.
Precios
- Gratis: $0/mes.
- Ilimitado: $12,99/mes.

Ventajas
Contras
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.
Desbloquea su potencial con nuestro Tutorial de Grammarly.

Nuestra opinión

¿Quieres una escritura profesional? El detector de plagio de Grammarly Premium escanea más de 16 mil millones de páginas web, garantizando su originalidad. ¡Exploralo hoy mismo!
Beneficios clave
- Exactitud: Ofrece una fuerte detección de IA, a menudo alrededor del 90-92%.
- Falsos positivos: Mantiene una tasa baja de falsos positivos, generalmente inferior al 5%.
- Garantía: Se aplican términos de suscripción estándar, sin garantía específica.
- Características: Integra detección de IA con verificación gramatical y ortográfica, proporciona detección de plagio, ofrece comentarios en tiempo real, está disponible como una extensión del navegador y ayuda a mejorar la calidad general de la escritura.
Precios
什么是反向链接分析工具? facturado anualmente
- Gratis: $0/mes.
- Pro: $12/mes
- Empresa: Precios personalizados según sus necesidades.

Ventajas
Contras
What to Look For in an AI Detector for Teachers?
- Exactitud: Does it consistently and reliably identify AI-generated content? Look for high accuracy rates in reviews and independent tests.
- Facilidad de uso: Is the interface intuitive? Can you easily upload or paste text for analysis? The best tools save you time, not create more work.
- Precios: 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.
- Falsos positivos: How often does it mistakenly flag human-written text as AI-generated? This can be frustrating & lead to unnecessary conflict with students.
- Características adicionales: 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 herramientas de IA.
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.
Guía del comprador
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.
Así es como hemos llevado a cabo nuestra investigación:
- 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.
Terminando
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.
Preguntas frecuentes
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.


















