9 Best AI Detectors: Spot AI Contents Instantly in 2025?

por | set 4, 2024

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
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QuillBot
4.0
  • The Paraphraser
  • Corretor gramatical
  • Summarizer
  • Co-Writer
  • Quillbot Keyboard
  • Plano gratuito disponível
  • Paid Plans from $4.17
Melhores detectores de IA

Worried about AI content?

It’s everywhere now, right?

Hard to tell real from fake.

Teachers, publishers face issues.

Authenticity is a big deal & you need good tools.

We have the answer. Find the best IA detectors in this article.

Spot AI content fast. Protect your work.

What is the Best AI Detector?

With so many AI detectors out there, it’s tough to know which one is the real deal.

We’ve done the digging for you and found the top tools that actually work.

Get ready to spot AI-generated content like a pro!

1. GPTZero (⭐4.8)

GPTZero is a favorite.

It helps teachers by checking estudante essays.

This tool is very popular.

It looks for AI writing. It’s easy to use.

Unlock its potential with our GPTZero tutorial.

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)

Originality AI is super accurate.

Many professionals use it.

It finds even hidden AI.

It helps keep content real.

Unlock its potential with our Originality AI tutorial. 

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. QuillBot (⭐4.0)

QuillBot is more than just a detector.

It helps you rephrase texto.

Its detector is strong.

It finds AI-made content.

It also helps humanize text.

Libere seu potencial com nosso Tutorial do QuillBot

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.

4. Winston AI (⭐3.8)

Winston AI is very precise.

It checks many content types.

It even spots AI in images.

It’s a powerful tool.

Unlock its potential with our Winston AI tutorial.

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.

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.

5. Smodin (⭐3,5)

Smodin is a versatile tool.

It checks for plagiarism too.

It helps academic writers.

It also aids content creators.

Unlock its potential with our Smodin tutorial. 

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.

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. Quetext (⭐3.3)

Quetext focuses on originality.

It’s known for plagiarism checks.

Its AI detection is strong.

It uses deep search technology.

Unlock its potential with our Quetext tutorial. 

Quetext Introduction

Nossa opinião

Quetext CTA

Over 95% of users in our study found Quetext’s plagiarism detection more accurate than other tools. Ready to create content with confidence? Explore its advanced AI features!

Principais benefícios

  • Precisão: Delivers approximately 92% accuracy in AI detection.
  • Falsos Positivos: Maintains a low false positive rate, around 4%.
  • Garantia: 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.

Preços

Todos os planos irão cobrado anualmente.

  • Livre: US$ 0/mês.
  • Empresa: $11.99/month.
  • Essencial: $13.99/month.
Quetext Pricing

Prós

  • Highly accurate detection.
  • Simple, easy interface.
  • Advanced AI checks.
  • Fast citation tool.
  • Detailed & clear reports.

Contras

  • Limited free features.
  • Premium Plans are costly. 
  • Slow, large files.
  • Rare false alarms.

7. Undetectable (⭐3.2)

Undetectable helps you humanize AI text.

It also detects AI content.

It’s useful for ESSE.

It helps bypass filters.

Unlock its potential with our Undetectable tutorial.

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.

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.

8. Phrasly AI (⭐3.0)

Phrasly AI is a newer tool.

It focuses on humanizing AI.

It also offers good detection.

It helps make content sound natural.

Unlock its potential with our Phrasly AI tutorial. 

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.

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.

9. Grammarly (⭐2.8)

Grammarly is a writing assistant.

Its AI detection is robust.

It finds AI alongside grammar issues.

It’s a very popular tool.

Libere seu potencial com nosso Tutorial do Grammarly

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.

What to Look For When Choosing the Best AI Detector?

  • Precisão: The most important factor is how well the detector can distinguish between human-written and AI-generated content.
  • Facilidade de uso: Look for a tool with a user-friendly interface and clear results.
  • Velocidade: You don’t want to wait forever for results, so choose a detector that works quickly.
  • Características: Consider additional features like plagiarism detection or integration with other tools.
  • Preços: Compare pricing plans and choose one that fits your budget.
  • Suporte ao cliente: In case you run into issues, make sure the company offers reliable customer support.

How Can AI Dectectors Benefit You?

  • Protect yourself from misinformation. AI-generated content can be misleading or even harmful. AI detector tools help you separate fact from fiction, ensuring you’re getting accurate information.
  • Maintain academic integrity. In educational settings, it’s crucial to ensure work is original. AI detection tools can help educators and students identify AI-generated content and uphold academic standards.
  • Ensure content authenticity. For businesses and publishers, maintaining trust is key. AI detector tools help verify that content is human-generated, building credibility with your audience.
  • Stay ahead of the curve. As AI technology evolves, so do the methods to detect it. Using an AI detector tool keeps you one step ahead, allowing you to adapt and make informed decisions about the content you consume and create.

Guia do comprador

To determine the best essay AI checker, our research process involved a comprehensive evaluation based on several key factors:

  • Análise de preços: We thoroughly investigated the cost associated with each AI tool, including any free tools or free accounts offered, to assess their value proposition.
  • Comparação de recursos: We meticulously identified and compared the unique features of each content detector, looking for functionalities that effectively detect AI content and differentiate between AI-generated text and human-generated content. This included evaluating their ability to identify content written by AI and AI-written content.
  • Identifying Negatives/Limitations: We pinpointed any missing functionalities or weaknesses of each product, such as the potential for false positives when identifying human articles or other limitations in detecting AI-generated text.
  • Revisão da Política de Suporte e Reembolso: We examined the availability of customer support, community forums, and refund policies to understand the level of user assistance and satisfaction guarantees offered by the providers of these AI content detectors.
  • Integração de palavras-chave: We ensured that our research and analysis incorporated exact keywords such as human generated text, detect AI content, AI content detector, free AI content detector, free online tools, and identifying AI generated content to align with user search intent and provide a comprehensive guide on AI detection.

This structured approach allowed us to objectively evaluate each AI detector and provide a well-rounded assessment of its strengths and weaknesses in distinguishing between human and AI-written content.

Concluindo

We’ve explored the wild world of AI detectors, and it’s clear that these tools are essential in today’s digital landscape.

Whether you’re trying to spot AI-generated content, protect your original human-written content, or ensure the information you’re consuming is accurate.

An AI detection tool is your new best friend.

Remember, the best tool for you depends on your specific needs and budget.

Consider factors like accuracy, features, and ease of use when making your decision.

With the right AI detection model in your corner, you can confidently navigate the online world.

Knowing you have the power to distinguish between human-written text and AI-generated content.

While some tools focus solely on text, others are expanding their capabilities to detect AI-generated images as well.

And as AI technology continues to evolve, so will the tools to detect it.

Perguntas frequentes

Can AI detectors be fooled?

Yes, while AI detectors are becoming increasingly sophisticated, there are ways to bypass AI detectors. Some techniques involve carefully crafting content or using specialized AI tools designed to evade detection.

How accurate are AI detectors?

The accuracy of AI detectors varies depending on the specific tool and the AI model used to generate the content. However, many top detectors boast accuracy rates of over 90% in detecting AI content.

Are AI detectors free to use?

Some AI detectors offer free versions with limited features or usage, while others require a paid subscription. Consider your needs and budget when choosing an ferramenta de IA.

Can AI detectors identify AI-generated images?

While most AI detectors focus on text-based content, some are starting to incorporate image analysis capabilities to detect AI-generated images.

Why is it important to detect AI-generated content?

Detecting AI-generated content is crucial for maintaining authenticity, combating misinformation, and ensuring academic integrity. It empowers individuals and organizations to make informed decisions about the content they consume and create.

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