Ever worry your writing isn’t 100% você?
With Ferramentas de IA everywhere, it’s tough to know if your content truly sounds human.
The problem? AI-generated text can sneak in, making your words feel a bit… off.
This isn’t just about avoiding accidental copy-paste.
But here’s the good news: you can easily check your content for AI footprints.
This article will show you the 9 Best AI Checkers.
You’ll find tools to fazer sure your writing is original, fresh, and truly yours.
Ready to make your words shine?
Vamos mergulhar!
What are the Best AI Checkers?
Worried about AI-generated text slipping into your work?
Want to make sure your content sounds genuinely human?
It’s smart to check!
We’ve researched and tested various best AI checkers to help you identify AI writing.
Below, you’ll find our top picks, ranked from best to good, to keep your content original and authentic.
1. GPTZero (⭐4.8)
GPTZero is an AI detection tool.
It helps you find out if a human or an AI wrote text.
Teachers and content creators often use it.
It works by looking at how “random” and “varied” the writing is.
Unlock its potential with our GPTZero tutorial.
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: $24.99/month.
Prós
Contras
2. Originality AI (⭐4,5)
Originality is a tool that checks if a human or an AI writes content.
It also looks for plagiarism.
It helps people like writers and publishers make sure their content is truly original.
It’s designed to be easy to use.
Unlock its potential with our Originality tutorial.
Nossa opinião
Ready to ensure your content is 100% human-generated? Originality AI boasts a 94% accuracy rate in detecting AI-written text. Don’t risk your reputation – Go for Originality AI today!
Principais benefícios
- Precisão: Boasts 98-100% accuracy.
- Falsos Positivos: Has a very low false positive rate, around 2%.
- Garantia: Provides a 7-day satisfaction guarantee.
- Características: Detects AI-generated and AI-edited content, includes a powerful plagiarism checker, scans entire websites, supports detection in multiple languages, offers an API for custom integrations.
Preços
- Pró: US$ 12,95/mês.
- Pagamento conforme o uso: $30 (One time on demand pricing).
- Empresa: $136.58/month.
Prós
Contras
3. QuillBot (⭐4.0)
QuillBot is more than just a detector.
It helps you rephrase text.
Its detector is strong.
It finds AI-made content.
It also helps humanize text.
Libere seu potencial com nosso Tutorial do QuillBot.
Nossa opinião
Pronto para transformar sua escrita? Mais de 50 milhões de usuários já experimentaram os poderosos recursos de paráfrase do Quillbot. Explore agora mesmo!
Principais benefícios
- Precisão: Alcança cerca de 90% de precisão para detecção geral de IA.
- Falsos Positivos: Conhecido por uma taxa razoável de falsos positivos, normalmente abaixo de 5%.
- Garantia: Oferece uma garantia de reembolso de 3 dias em planos premium.
- Características: Distingue texto gerado por IA de texto humano assistido por IA, integrado com ferramentas de paráfrase e gramática, oferece varreduras gratuitas para textos mais curtos, fornece relatórios de análise detalhados e interface fácil de usar.
Preços
Todos os planos serão cobrado anualmente.
- Livre: US$ 0/mês.
- Prêmio: US$ 4,17/mês.
- Plano de equipe: Preços personalizados com base em suas necessidades.
Prós
Contras
4. Winston AI (⭐3.8)
Winston AI is a tool designed to find out if text was written by a human or an AI.
It also checks for plagiarism. It’s built for content creators, publishers, and educators.
It gives you a score showing the probability of AI authorship.
Unlock its potential with our Winston tutorial.
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: $26/month.
Prós
Contras
5. Smodin (⭐3,5)
Smodin is a suite of AI writing tools.
It includes an AI rewriter, content gerador, and plagiarism checker.
It aims to help users create unique and original content quickly.
It’s often used by students, writers, and marketers.
Unlock its potential with our Smodin tutorial.
Principais benefícios
- Precisão: Provides around 95% accuracy for AI content.
- Falsos Positivos: Has a low false positive rate, typically 3-4%.
- Garantia: No specific warranty mentioned; relies on subscription terms.
- Características: Combines AI detection with plagiarism checking, supports multiple languages, offers a content rewriter tool, includes a citation generator, good for academic and research papers.
Preços
Todos os planos serão cobrado anualmente.
- Writing: US$ 9/mês.
- Reviewing: US$ 15/mês.
- Final: $18/month.
Prós
Contras
6. Quetext (⭐3.3)
Quetext is a tool primarily focused on plagiarism detection.
It also offers an AI content detector.
It helps users, especially students and copywriters, ensure their writing is original.
It compares your text to billions of online sources.
Unlock its potential with our Quetext tutorial.
Principais benefícios
- Precisão: Delivers approximately 92% accuracy in AI detection.
- Falsos Positivos: Maintains a low false positive rate, around 4%.
- Garantia: No explicit warranty; focuses on subscription service.
- Características: Uses “DeepSearch” technology for thorough analysis, highlights both AI and plagiarized content, offers a clear, color-coded report, provides a citation assistant, good for academic and journalistic integrity.
Preços
Todos os planos irão cobrado anualmente.
- Livre: US$ 0/mês.
- Empresa: $11.99/month.
- Essencial: $13.99/month.
Prós
Contras
7. Undetectable (⭐3.2)
Undetectable helps you humanize AI text.
It also detects AI content.
It’s useful for ESSE.
It helps bypass filters.
Unlock its potential with our Undetectable tutorial.
Nossa opinião
Give Undetectable AI a try! It bypasses 98% of AI content detectors, ensuring your AI-generated text goes undetected. Explore it today!
Principais benefícios
- Precisão: Offers up to 90% accuracy in detecting AI.
- Falsos Positivos: Claims a low false positive rate, about 5%.
- Garantia: No specific warranty; subscription-based.
- Características: Focuses on humanizing AI-generated content, checks against various AI detectors, aims to bypass common AI filters, useful for SEO and content marketing, simple and straightforward interface.
Preços
- Yearly: US$ 5/mês.
- Mensal: $19.00/month.
- For Negócios: Preços personalizados com base em suas necessidades.
Prós
Contras
8. Phrasly AI (⭐3.0)
Phrasly AI is an AI writing assistant that focuses on “humanizing” AI-generated content.
It also includes an AI detector and a content gerador.
Its main goal is to help users make AI text sound more natural and bypass AI detection systems.
Unlock its potential with our Phrasly tutorial.
Principais benefícios
- Precisão: Provides around 88-90% accuracy for AI detection.
- Falsos Positivos: Reports a moderate false positive rate, around 6%.
- Garantia: Not explicitly stated; service is subscription-based.
- Características: Specializes in making AI content undetectable, offers an AI rewriter, provides readability scores, quick and easy to use, aims to help content rank better.
Preços
- Livre: US$ 0/mês.
- Ilimitado: US$ 12,99/mês.
Prós
Contras
9. Grammarly (⭐2.8)
Grammarly is a popular writing assistant that helps you improve your grammar, spelling, punctuation, and clarity.
It also offers an AI content detector and a plagiarism checker.
It’s widely used by students, professionals, and anyone who writes online.
Libere seu potencial com nosso Tutorial do Grammarly.
Nossa opinião
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.
Prós
Contras
What to look for when buying an AI checker Software?
When choosing an AI checker, keep these essential points in mind to make the best decision for your needs:
- Accuracy is paramount: How often does it correctly identify human vs. AI text? Look for tools that share their false positive rates.
- Updates and evolution: AI technology changes fast. A good AI checker should get regular updates to keep up with new AI models and generative AI patterns.
- User experience: Is it easy to use? You want a tool with a clean interface and clear results, not something that complicates your workflow.
- Integration capabilities: Can it work with your existing tools, like Google Docs or Microsoft Word? Seamless integration saves time.
- Specific purpose: Are you checking academic papers, blog posts, or marketing copy? Some tools are specialized and perform better for certain content types.
- Transparency: Does the tool explain por que a piece of text is flagged? Understanding the reasoning helps you refine your content more effectively.
- Support and resources: If you have questions, is there reliable customer support or helpful guides available? Good support is crucial for any tool.
How can Best AI Checkers benefit you?
AI checkers are vital tools for today’s content creators.
They help you keep your unique voz, making sure your writing is truly yours, not generated by a machine.
This builds trust with your audience & protects your reputation.
In a world full of AI text, standing out means being genuinely human.
These tools spot subtle AI patterns, helping you refine your content.
This leads to better search rankings and more impactful communication.
Ultimately, AI checkers give you confidence that your content is original, high-quality, and authentic.
Guia do comprador
To determine the best AI checkers, our research followed a comprehensive approach, focusing on key factors critical to user satisfaction and effectiveness.
Veja como conduzimos nossa pesquisa:
- Initial Keyword Search: We began by performing extensive searches using terms like best AI checker, AI detector tool, human written content, AI detectors, AI content checker, detect AI content, human written text, AI detector tools, free tool, AI detection model, detect AI generated images, and human written to identify a broad range of available tools.
- Análise de preços: We meticulously evaluated the pricing structure of each product, comparing costs to assess overall value and identify affordable options.
- Comparação de recursos: A detailed examination of features was conducted to highlight unique functionalities, accuracy in detecting AI-generated content, and the ability to differentiate from human-written content. We looked for features that genuinely helped users detect AI.
- Identifying Negatives/Limitations: We actively sought out what was missing from each product, including limitations in detection, user interface issues, or lack of specific functionalities that would improve the user experience.
- Políticas de suporte e reembolso: We investigated the availability of customer support, community forums, and refund policies to understand the level of user assistance and satisfaction guarantees offered by each provider.
Concluindo
We’ve covered the best AI checkers to help you ensure your content is truly yours.
In a world full of ChatGPT and other generative AI, your work mustn’t be just written by AI.
An AI content detector helps you maintain authenticity.
Our research helps you choose the best detection tool.
While no ai detection tool is perfect, using an accurate ai solution from this list.
Like those that handle ai models from winston ai to gptzero—is crucial for ai content detection.
This keeps your message clear and your voz strong.
Perguntas frequentes
How accurate are best AI checkers?
AI content detectors are generally good but not perfect. They can identify patterns common in AI-generated text, but no detection tool offers 100% accuracy. False positives (human text flagged as AI) can happen, so always use them as a guide, not a final verdict.
Can AI writing be undetectable?
It’s becoming harder to achieve truly undetectable AI-generated writing. As AI models get smarter, so do AI content detection tools. However, editing and “humanizing” AI output can make it much less likely to be flagged by a detector.
Why should I use an AI checker?
Using an AI checker helps you ensure your content is original and authentic. This is vital for academic integrity, SEO rankings, and building trust with your audience. It helps you avoid accidental AI influence and verify content quality.
Do AI checkers detect all AI models?
Most good AI detection tools are trained on various AI models, including popular ones like ChatGPT, Gemini, and Claude. Reputable detectors, like Winston AI or GPTZero, constantly update to catch new AI patterns, but it’s an ongoing race.
What is the best free AI checker?
Several free AI detector options exist, such as Quillbot’s free AI Detector or GPTZero’s limited free plan. While useful for basic checks, free versions often have limitations. For more reliable and accurate AI detection, a paid tool is usually more effective.
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