9 Best Quetext Alternatives: Effortless AI Detection in 2025

por | Last updated Nov 27, 2025

Melhor Geral
GPTZero
4.8
  • Writing Report
  • Fast API
  • Canvas Integrations
  • Microsoft Add-On
  • Verificador de plágio
  • Plano gratuito disponível
  • Paid Plans from $8.33
Melhor valor
Originality.ai
4.5
  • AI Detection
  • Verificador de plágio
  • Extensão do Chrome
  • Accurate AI
  • Website Scanner
  • Teste gratuito disponível
  • Paid Plans from $12.95
Mais em destaque
Copyleaks logo
4.0
  • AI, plagiarism check
  • 30+ languages
  • 99% accuracy
  • AI Logic insights
  • API, LMS integration
  • Teste gratuito disponível
  • Paid Plans from $13.99
Quetext Alternatives

Are you worried about content originality?

Maybe Quetext misses sneaky AI-generated texto.

It can be a real pain to feel unsure about your writing’s safety.

Today, you need more than just a simple plagiarism check.

You need tools that find deep copies and catch complex AI writing.

Slow checks and high fees waste your time and money.

You deserve better accuracy.

We have the fix! We looked at the best tools out there.

This list has the 9 Best Quetext Alternatives, which offers better AI detection and faster reports for 2025.

Keep reading to find the perfect checker to fazer your content safe and original.

What is the Best Quetext Alternative?

Quetext is okay, but you can find much better tools.

Many new checkers are faster and catch tricky AI content.

You should not have to worry about your work getting flagged.

We checked out the top services for 2025.

This list shows the best tools you can use right now.

Choose one that fits your needs for perfect content safety.

1. GPTZero (⭐4.8)

You want high accuracy? This is it. GPTZero is an industry leader.

It flags text at the sentence level.

This tool is best for educators or content safety.

It catches mixed human and AI content very well.

GPTZero Introduction

Nossa opinião

GPTZero

Ready to see if GPTZero really works? We tested it on 100 samples. See the results for yourself. Click now!

Principais benefícios

  • Precisão: Offers 99% accuracy for AI detection.
  • Falsos Positivos: Claims a very low false positive rate (less than 1%).
  • Garantia: 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.

Preços

Todos os planos serão cobrado anualmente.

  • Livre: US$ 0/mês.
  • Essencial: US$ 8,33/mês.
  • Prêmio: US$ 12,99/mês.
  • Profissional: $24.99/month.
GPTZero Pricing

Prós

  • Highly accurate.
  • Interface amigável.
  • Comprehensive features.
  • Constant updates.
  • Supports educators.

Contras

  • Paid plans are needed.
  • Limited language support
  • Potential false negatives.
  • Relies on technology.

2. Originality AI (⭐4.5)

This tool is a favorite for web publishers.

It checks for AI and plagiarism in one scan.

It also has a fact-checker to stop AI “hallucinations.”

Originality AI gives detailed reports.

Originality AI Introduction

Nossa opinião

Originality AI

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!

Principais benefícios

  • Precisão: Boasts 98-100% accuracy.
  • Falsos Positivos: Has a very low false positive rate, around 2%.
  • Garantia: 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.

Preços

  • Pró: US$ 12,95/mês.
  • Pagamento conforme o uso: $30 (One time on demand pricing).
  • Empresa: $136.58/month.
Originality AI Pricing

Prós

  • High accuracy rate.
  • Interface fácil de usar.
  • Preços acessíveis.
  • Helpful Chrome extension.
  • Website scanning feature.

Contras

  • Occasional false positives.
  • Limited language support.
  • No API access.
  • Can be slow at times.

3. Copyleaks (⭐4.0)

Copyleaks is a robust checker with support for over 30 languages.

You can scan up to 25,000 characters for free.

It is great for global teams. It has a low false-positive rate.

Vazamentos de cópias

Nossa opinião

Vazamentos de cópias

The rating is high because of its strong accuracy claims (over 99%) and its low false positive rate (only 0.2%). The combination of AI and plagiarism detection in one tool is also a big plus. It loses points mainly due to the premium price tag.

Principais benefícios

Copyleaks has some great, unique features. It helps keep your work safe and honest.

  • It claims over 99% accuracy in its internal testing.
  • It has an incredibly low 0.2% false positive rate, which means it rarely flags human work by mistake.
  • The tool checks for AI content in over 30 languages.
  • It offers a unique feature called AI Logic that explains por que the content was flagged.
  • It includes AI Image Detection and can check for source code plagiarism.
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Preços

  • Pessoal: $13.99/month.
  • Pró: $74.99/month.
Vazamentos de cópias

Prós

  • High accuracy, over 99% claimed.
  • Checks AI and plagiarism together.
  • Supports detection in 30+ languages.
  • Very low 0.2% false positive rate.

Contras

  • Premium pricing can be costly.
  • Accuracy drops for edited AI text.
  • The free version is very limited.

4. QuillBot (⭐3.8)

QuillBot is mainly known for paraphrasing text.

It is a full writing suite. It includes an AI Detector and a Plagiarism Checker.

Use it to quickly refine your AI drafts.

Introdução ao Quillbot

Nossa opinião

Quillbot

Pronto para transformar sua escrita? Mais de 50 milhões de usuários já experimentaram os poderosos recursos de paráfrase do Quillbot. Explore agora mesmo!

Principais benefícios

  • Precisão: Alcança cerca de 90% de precisão para detecção geral de IA.
  • Falsos Positivos: Conhecido por uma taxa razoável de falsos positivos, normalmente abaixo de 5%.
  • Garantia: Oferece uma garantia de reembolso de 3 dias em planos premium.
  • Características: Distingue texto gerado por IA de texto humano assistido por IA, integrado com ferramentas de paráfrase e gramática, oferece varreduras gratuitas para textos mais curtos, fornece relatórios de análise detalhados e interface fácil de usar.

Preços

Todos os planos serão cobrado anualmente.

  • Livre: US$ 0/mês.
  • Prêmio: US$ 4,17/mês.
  • Plano de equipe: Preços personalizados com base em suas necessidades.
robô-pena

Prós

  • Amigo do usuário.
  • Recursos versáteis.
  • Economia de tempo.
  • Melhora a escrita.
  • Relatórios de análise.

Contras

  • Pode produzir frases estranhas.
  • Limitações da versão gratuita.
  • Não deve ser a única opção confiável.
  • Custo da assinatura premium.

5. Smodin (⭐3.5)

Smodin helps you create and check content in over 100 languages.

It is a writing assistant with plagiarism tools.

The service also helps generate citations fast.

Smodin Introduction

Nossa opinião

Smodin

Ready to supercharge your content creation? Over 100,000 users have already tried Smodin. Join them and see how Smodin can help you write faster and wiser!

Principais benefícios

  • Precisão: Provides around 95% accuracy for AI content.
  • Falsos Positivos: Has a low false positive rate, typically 3-4%.
  • Garantia: 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.
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Preços

Todos os planos serão cobrado anualmente.

  • Writing: US$ 9/mês.
  • Reviewing: US$ 15/mês.
  • Final: $18/month.
Smodin Pricing

Prós

  • Fast content creation.
  • Interface fácil de usar.
  • Comprehensive Analysis.
  • Planos de preços acessíveis.
  • Helpful AI tools.

Contras

  • Pricing for Advanced Features.
  • AI writing quality.
  • Plano gratuito limitado.
  • Accuracy of AI.

6. Winston (⭐3.3)

Winston Winston AI focuses on simplicity and accuracy.

It offers AI content detection and plagiarism checks.

It can highlight likely AI-generated sentences.

It is easy to use for big documents.

Winston AI Introduction

Nossa opinião

Winston AI

Over 10,000 writers trust Winston AI. Explore it today and see why it’s the go-to tool for streamlining content creation!

Principais benefícios

  • Precisão: Claims an impressive 99.98% accuracy.
  • Falsos Positivos: Reports a near-zero false positive rate.
  • Garantia: 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.
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Preços

  • Livre: US$ 0/mês.
  • Essencial: US$ 10/mês.
  • Avançado: $16/month.
  • Elite: $26/month.
Winston AI Pricing

Prós

  • Accurate AI Detection.
  • User-Friendly.
  • Comprehensive Analysis.
  • Versatile options.
  • Integrates with AI Tools.

Contras

  • Pricing for Advanced Features.
  • AI Detection Challenges.
  • Limited Language Support.
  • Occasional False Positives.

7. Phrasly AI (⭐3.2)

Phrasly AI’s main job is to humanize AI text.

It is built to bypass AI detectors.

It also has a basic AI detector for quick checks.

This tool is useful for refining first drafts.

Phrasly AI Introduction

Nossa opinião

Phrasly AI

Want to know if Phrasly AI can truly beat AI detectors? Discover if its 99.99% human content claim is real, explore it today!

Principais benefícios

  • Precisão: Provides around 88-90% accuracy for AI detection.
  • Falsos Positivos: Reports a moderate false positive rate, around 6%.
  • Garantia: 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.
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Preços

  • Livre: US$ 0/mês.
  • Ilimitado: US$ 12,99/mês.
Phrasly AI Pricing

Prós

  • Accurate AI Detection.
  • Effective AI Detection Bypass.
  • Interface amigável
  • Comprehensive Analysis.
  • Versatile options.

Contras

  • Costly for Advanced Features.
  • Detection Challenges.
  • Limited Support.
  • Occasional errors.

8. Undetectable (⭐3.0)

Undetectable is another popular AI humanizer and detector combo.

It claims to convert AI text into human-like prose.

It offers a free checker that uses multiple detection models.

Undetectable AI Introduction

Nossa opinião

Undetectable AI

Give Undetectable AI a try! It bypasses 98% of AI content detectors, ensuring your AI-generated text goes undetected. Explore it today!

Principais benefícios

  • Precisão: Offers up to 90% accuracy in detecting AI.
  • Falsos Positivos: Claims a low false positive rate, about 5%.
  • Garantia: 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.
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Preços

  • Yearly: US$ 5/mês.
  • Mensal: $19.00/month.
  • For Negócios: Preços personalizados com base em suas necessidades.
Undetectable AI Pricing

Prós

  • Bypasses AI detectors.
  • Melhora a qualidade do conteúdo.
  • Economiza tempo.
  • Fácil de usar.
  • Works with various AI writing tools.

Contras

  • Not foolproof.
  • Raises ethical concerns.
  • Can be costly.
  • Risk of over-reliance on AI.

9. Grammarly (⭐2.8)

You know Grammarly for grammar.

Its Premium version has an AI Detector and a Plagiarism Checker.

It helps maintain integrity and suggests citations.

It is a good all-in-one writing assistant.

Introdução ao Grammarly

Nossa opinião

CTA do Grammarly

Quer uma escrita de nível profissional? O verificador de plágio do Grammarly Premium verifica mais de 16 bilhões de páginas da web, garantindo a originalidade. Explore-o hoje mesmo!

Principais benefícios

  • Precisão: Oferece forte detecção de IA, geralmente em torno de 90-92%.
  • Falsos Positivos: Mantém uma baixa taxa de falsos positivos, geralmente abaixo de 5%.
  • Garantia: Aplicam-se os termos de assinatura padrão, sem garantia específica.
  • Características: Integra detecção de IA com verificações gramaticais e ortográficas, fornece detecção de plágio, oferece feedback em tempo real, está disponível como uma extensão do navegador e ajuda a melhorar a qualidade geral da escrita.

Preços

Todos os planos serão cobrado anualmente.

  • Livre: US$ 0/mês.
  • Pró: US$ 12/mês
  • Empresa: Preços personalizados com base em suas necessidades.
Preços do Grammarly

Prós

  • Detecta muitos erros.
  • Fácil de usar.
  • Funciona em qualquer lugar.
  • Melhora a escrita.
  • Gera confiança.

Contras

  • Pode ser caro.
  • Nem sempre perfeito.
  • Pode corrigir em excesso.
  • Versão gratuita limitada.

Guia do comprador

We know you want the most accurate plagiarism checker.

Finding the right plagiarism detection tool takes real work.

We focused on what truly matters to writers, students, and professores in 2025.

Here are the key steps we took to find the best plagiarism checker and determine which of the paid ones and free tool options deserve your money or time:

  • Pricing & Value: We checked the cost of the premium plan versus the free plan or free version. Does the price make sense for the features? We also checked if they offered a free trial or needed additional credits.
  • Core Accuracy: This is key. We tested each plagiarism checker tool for reliable detection of duplicate content across websites, Wikipedia articles, other sites, and academic papers. We looked for the deep search technology that finds hard-to-spot plagiarized material.
  • AI Detection Capacidade: Today, a top plagiarism detector must detect AI-generated content. We checked how well each tool flags this new type of copied content.
  • Database Size & Type: The tool must have a large database to check plagiarism effectively. Does it compare against unpublished documents or just the live internet? We also checked whether they protect your own work from future scans (self-plagiarism).
  • Características: What extras do users get? We looked for a good grammar checker to fix grammatical errors and grammar errors, writing assistance features, a citation assistant, and the ability to upload documents or long documents easily. We also looked for features such as color-coding in the plagiarism report.
  • Usability & Support: Is the checker tool easy to use for students submitting a paper or teachers checking multiple documents? Do they offer easy access and support multiple languages? We checked if the service helps you remove plagiarism or find plagiarism.

Concluindo

We have just given you the best tools to look at.

Moving past Quetext is simple with these strong options.

Using a paid version is best if you are an educational institution or a professional escritor.

These tools do a much better job of detecting plagiarism from different sources.

They also help you prevent plagiarism and keep your original writing safe.

The best tool helps find plagiarized content before it hurts your reputation.

Whether you choose the best free plagiarism checker or a tool better than Copyscape Premium, always check your work.

Perguntas frequentes

Which plagiarism software is the most accurate alternative to Quetext?

GPTZero and Originality AI are seen as the most accurate tools today. They use advanced AI to detect plagiarism and newer forms of words copied from other texts. These are best for professional results.

Does a free plagiarism checker work well for universities?

No. Free checkers often limit the number of words you can scan and use smaller databases. Universities need paid tools like Turnitin or Copyleaks for the highest accuracy and comprehensive checks.

What unique services does Scribbr offers?

Scribbr offers a plagiarism checker with a high academic focus. They also provide human editing services and citation geradores. This makes it a complete software suite for students writing complex academic papers.

Can these alternatives detect AI-generated content?

Yes, most top Quetext alternatives, like Originality AI and GPTZero, now include dedicated AI detection. This feature helps confirm that the content is your own words and not generated by AI.

How can I ensure my academic writing isn’t flagged as plagiarism?

Use one of the featured software tools to scan your paper before submitting. Always cite your different sources correctly, and ensure your words are properly quoted or paraphrased to avoid issues with universities.

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