9 Best Undetectable AI Alternatives in 2025

에 의해서 | Last updated Nov 28, 2025

전반적으로 최고
GPT제로
4.8
  • Writing Report
  • Fast API
  • Canvas Integrations
  • Microsoft Add-On
  • 표절 검사기
  • 무료 플랜 이용 가능
  • Paid Plans from $8.33
최고의 가치
Originality.ai
4.5
  • AI Detection
  • 표절 검사기
  • 크롬 확장 프로그램
  • Accurate AI
  • Website Scanner
  • 무료 체험 가능
  • Paid Plans from $12.95
가장 많이 추천된
퀼봇
4.0
  • The Paraphraser
  • 문법 검사기
  • Summarizer
  • Co-Writer
  • Quillbot Keyboard
  • 무료 플랜 이용 가능
  • Paid Plans from $4.17
Undetectable AI alternatives

Dealing with AI detectors is now a problem for every 작가.

You use a tool to help you write, but your work gets flagged.

It is frustrating to write something only to have a program say it is not human.

This agitation costs you time, money, and your reputation.

You need content that sounds like a person wrote it—every single time.

So, what is the solution?

We found the 9 best Undetectable AI alternatives for 2025.

This list will give you tools that beat the detectors and get you back to work.

What is the Best Undetectable AI Alternative?

It is hard to find tools that truly work.

Many AI rewriters get flagged by smart detectors.

You want content that sounds natural, not robotic.

We have done the hard work for you.

Below is a list of the 9 best undetectable AI alternatives.

These tools can help your 텍스트 pass as 100% human-written content every time.

1. GPTZero (⭐4.8)

GPTZero is a leading AI detector. Wait, what?

Yes, it mainly finds AI content. But think of it as your final quality check.

If your text passes their tough test, it is very safe.

GPTZero Introduction

우리의 견해

GPT제로

Сравнительные цены:

주요 이점

  • 정확성: Offers 99% accuracy for AI detection.
  • 거짓 양성: Claims a very low false positive rate (less than 1%).
  • 보증: Comes with a 30-day money-back guarantee.
  • 특징: Focuses on perplexity and burstiness, user-friendly interface, supports multiple file uploads, offers batch processing for many documents, integrates with learning platforms.

가격

모든 계획은 다음과 같습니다. 연간 청구.

  • 무료: 월 0달러.
  • 필수적인: 월 8.33달러.
  • 프리미엄: 월 12.99달러.
  • 전문적인: $24.99/month.
GPTZero Pricing

장점

  • Highly accurate.
  • 사용자 친화적인 인터페이스.
  • Comprehensive features.
  • Constant updates.
  • Supports educators.

단점

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

2. Originality AI (⭐4.5)

This tool is super strict. It is known for its high accuracy in detecting AI.

We listed it because it’s tough. AI check shows you how to make your content undetectable.

It keeps getting better at finding human-written text.

Originality AI Introduction

우리의 견해

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!

주요 이점

  • 정확성: Boasts 98-100% accuracy.
  • 거짓 양성: Has a very low false positive rate, around 2%.
  • 보증: Provides a 7-day satisfaction guarantee.
  • 특징: 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.

가격

  • 찬성: 월 12.95달러.
  • 사용량에 따라 지불: $30 (One time on demand pricing).
  • 기업: $136.58/month.
Originality AI Pricing

장점

  • High accuracy rate.
  • 사용하기 쉬운 인터페이스.
  • 저렴한 가격.
  • Helpful Chrome extension.
  • Website scanning feature.

단점

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

3. QuillBot (⭐4.0)

QuillBot is great for paraphrasing.

You can use it to reword text that sounds too robotic.

This improves your content flow and breaks those predictable AI patterns.

It is a good first step to humanize your writing.

Quillbot 소개

우리의 견해

퀼봇

글쓰기를 완전히 바꿔볼 준비가 되셨나요? 이미 5천만 명이 넘는 사용자가 Quillbot의 강력한 의역 기능을 경험했습니다. 지금 바로 경험해 보세요!

주요 이점

  • 정확성: 일반적인 AI 감지에 대해 약 90%의 정확도를 달성합니다.
  • 거짓 양성: 일반적으로 5% 미만의 적당한 오탐지율을 보이는 것으로 알려져 있습니다.
  • 보증: 프리미엄 플랜에 대해 3일 환불 보장을 제공합니다.
  • 특징: AI가 생성한 텍스트와 AI가 지원하는 인간 텍스트를 구분하고, 의역 및 문법 도구와 통합되어 있으며, 짧은 텍스트에 대한 무료 스캔을 제공하고, 자세한 분석 보고서를 제공하며, 사용하기 쉬운 인터페이스를 제공합니다.

가격

모든 계획은 다음과 같습니다. 연간 청구.

  • 무료: 월 0달러.
  • 프리미엄: 월 4.17달러.
  • 팀 계획: 고객의 요구 사항에 따라 맞춤형 가격을 제공합니다.
퀼봇

장점

  • 사용하기 편리함.
  • 다양한 기능.
  • 시간을 절약해줍니다.
  • 글쓰기 능력이 향상됩니다.
  • 분석 보고서.

단점

  • 어색한 표현이 나올 수 있습니다.
  • 무료 버전의 제한 사항.
  • 전적으로 의지해서는 안 됩니다.
  • 프리미엄 구독 비용.

4. Copyleaks (⭐3.8)

Copyleaks is a complete content integrity platform.

It checks for AI and plagiarism in many languages.

They even have a “humanizer” feature now.

This helps your AI text bypass their own strong detection system.

카피리크스

우리의 견해

카피리크스

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.

주요 이점

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 the content was flagged.
  • It includes AI Image Detection and can check for source code plagiarism.
유튜브 영상

가격

  • 개인의: $13.99/month.
  • 찬성: $74.99/month.
카피리크스

장점

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

단점

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

5. Smodin (⭐3.5)

Smodin has a cool feature called AI Detection Removal.

This tool claims to rewrite AI content to make it sound human.

It uses different models to change the predictable structure of machine writing.

You can try it for free first.

Smodin Introduction

우리의 견해

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!

주요 이점

  • 정확성: Provides around 95% accuracy for AI content.
  • 거짓 양성: Has a low false positive rate, typically 3-4%.
  • 보증: No specific warranty mentioned; relies on subscription terms.
  • 특징: Combines AI detection with plagiarism checking, supports multiple languages, offers a content rewriter tool, includes a citation generator, good for academic and research papers.
유튜브 영상

가격

모든 계획은 다음과 같습니다. 연간 청구.

  • Writing: 월 9달러.
  • Reviewing: 15달러/월.
  • 궁극적인: $18/month.
Smodin Pricing

장점

  • Fast content creation.
  • 사용하기 쉬운 인터페이스.
  • Comprehensive Analysis.
  • 저렴한가격계획.
  • Helpful AI tools.

단점

  • Pricing for Advanced Features.
  • AI writing quality.
  • 무료 플랜이 제한적입니다.
  • Accuracy of AI.

6. Quetext (⭐3.3)

Quetext is mainly a plagiarism 체커.

But many undetectable tools claim they can bypass its checks.

This makes Quetext a good place to test your content’s “human” score.

If it passes, you are in a good spot.

Quetext Introduction

우리의 견해

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!

주요 이점

  • 정확성: Delivers approximately 92% accuracy in AI detection.
  • 거짓 양성: Maintains a low false positive rate, around 4%.
  • 보증: No explicit warranty; focuses on subscription service.
  • 특징: 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.
유튜브 영상

가격

모든 계획은 연간 청구.

  • 무료: 월 0달러.
  • 기업: 월 11.99달러.
  • 필수적인: $13.99/month.
Quetext Pricing

장점

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

단점

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

7. Winston (⭐3.2)

Winston is a very accurate AI detector.

Like GPTZero, it is on this list because it is a great test.

If your humanized content can trick Winston, it can probably trick most other detectors, too.

It has a high 99% accuracy rate.

Winston AI Introduction

우리의 견해

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!

주요 이점

  • 정확성: Claims an impressive 99.98% accuracy.
  • 거짓 양성: Reports a near-zero false positive rate.
  • 보증: Includes a 14-day refund policy.
  • 특징: 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.
유튜브 영상

가격

  • 무료: 월 0달러.
  • 필수적인: 10달러/월.
  • 고급의: $16/month.
  • Elite: $26/month.
Winston AI Pricing

장점

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

단점

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

8. Phrasly AI (⭐3.0)

Phrasly is built to turn AI writing into human-like content.

Their AI Humanizer tool focuses on eliminating robotic text.

It works by changing the writing style and sentence variety.

This helps your text pass human authenticity checks.

Phrasly AI Introduction

우리의 견해

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!

주요 이점

  • 정확성: Provides around 88-90% accuracy for AI detection.
  • 거짓 양성: Reports a moderate false positive rate, around 6%.
  • 보증: Not explicitly stated; service is subscription-based.
  • 특징: Specializes in making AI content undetectable, offers an AI rewriter, provides readability scores, quick and easy to use, aims to help content rank better.
유튜브 영상

가격

  • 무료: 월 0달러.
  • 제한 없는: 월 12.99달러.
Phrasly AI Pricing

장점

  • Accurate AI Detection.
  • Effective AI Detection Bypass.
  • 사용자 친화적인 인터페이스
  • Comprehensive Analysis.
  • Versatile options.

단점

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

9. Grammarly (⭐2.8)

You probably Grammarly를 사용하세요 already.

While it fixes grammar, its new AI Humanizer refines AI-generated text.

It makes the text clearer and more natural.

Remember, it is best to polish the text you already wrote.

Grammarly 소개

우리의 견해

Grammarly CTA

전문가 수준의 글쓰기를 원하시나요? Grammarly Premium의 표절 검사기는 160억 개 이상의 웹페이지를 검사하여 독창성을 보장합니다. 지금 바로 사용해 보세요!

주요 이점

  • 정확성: 일반적으로 90-92%에 달하는 강력한 AI 감지 기능을 제공합니다.
  • 거짓 양성: 일반적으로 5% 미만의 낮은 거짓 양성률을 유지합니다.
  • 보증: 표준 구독 약관이 적용되며, 구체적인 보증은 없습니다.
  • 특징: AI 감지 기능을 문법 및 맞춤법 검사와 통합하고, 표절 감지 기능을 제공하며, 실시간 피드백을 제공하고, 브라우저 확장 기능으로 사용 가능하며, 전반적인 글쓰기 품질을 개선하는 데 도움이 됩니다.

가격

모든 계획은 다음과 같습니다. 연간 청구.

  • 무료: 월 0달러.
  • 찬성: 월 12달러
  • 기업: 고객의 요구 사항에 따라 맞춤형 가격을 제공합니다.
Grammarly 가격

장점

  • 많은 오류를 잡아냅니다.
  • 사용하기 쉽습니다.
  • 어디서나 작동합니다.
  • 글쓰기 능력이 향상됩니다.
  • 자신감을 키워줍니다.

단점

  • 비용이 많이 들 수 있습니다.
  • 항상 완벽하지는 않습니다.
  • 과도하게 교정할 수 있습니다.
  • 무료 버전은 제한적입니다.

구매 가이드

When researching the 9 best undetectable AI alternatives, we used these factors to provide you with the most accurate review.

We focused on what truly matters to content writers and regular users who need to humanize AI text effectively.

  • Detection Evasion Score: The most critical factor. We tested each tool against advanced AI detectors like Winston AI to see if the rewritten content could bypass AI detectors and AI content detectors. A high score here proves the tool transforms AI-generated text into human-like text that detection systems pick up as original.
  • Built-in Features: We looked for unique and advanced features beyond basic rewriting. This included a built-in AI checker or built-in AI detector, different rewriting styles, and functions for specific needs like academic essays or social media 캡션.
  • Readability & Natural Flow: It’s not enough to bypass AI detection. The final text must have a natural tone and natural flow, maintaining readability and the original meaning. We checked for sentence structure variety and intelligent word choice to ensure high-quality content.
  • User Experience (UX): We evaluated the user-friendly interface, the simplicity of the input box, and how quickly the tool delivered the rewritten version. We looked at whether non-technical users could use the powerful tool easily.
  • Pricing & Access: We compared the cost of the premium plan and the unlimited plan. We also checked if they offered a useful free plan or free version, as well as any word limit restrictions across their plans.
  • 이것 능력: Since most users create marketing copy or blog posts, we checked if the output was seo friendly content and helped avoid issues with spam filters.
  • Core Technology: We looked at the AI models used, whether they were built in AI or used a specific advanced AI to ensure they could beat the latest detection algorithms and not just older models.
  • 언어 지원: Does the great tool support multiple languages? This is a key feature for global content creation.
  • Community & Support: Does the service offer good customer support or a clear refund policy? This matters when deciding between a paid plan and unlimited usage. We wanted to find the ultimate go-to tool that we would absolutely love.

마무리하기

We know the fight against AI detection tools is real.

You are trying to create good content fast.

But getting flagged for AI-generated content stops your progress.

That is why we put together this list of the 9 best undetectable AI alternatives.

We tested these AI 도구 hard.

Our research found the best ways to get truly undetectable AI writing.

This guide gives you proven tools to bypass AI detectors and keep your writing human.

Now you have the best AI writing tool options for 2025.

Pick one, start writing, and see your content pass every time.

자주 묻는 질문

What makes these tools better than other tools?

These are designed to specifically rewrite text using more human-like patterns. They focus on beating popular ai detectors, not just simple rephrasing like other tools do.

Many use advanced plans and algorithms to change specific words and structure. They are tested to bypass tools like GPTZero by changing the predictable writing habits of AI.

Do I need to buy advanced plans to get good results?

The basic or free plans let you rewrite text for short pieces. However, the advanced plans usually offer features to handle long content and guarantee passing popular ai detectors.

How should I adjust my writing habits when using an ai writing tool?

Do not just copy and paste. Use the ai writing tool for a first draft, then add personal thoughts and change specific words. This improves the text and passes detection.

Are there free versions of these tools?

Most of these offer a free trial or limited free version. These let you rewrite text up to a certain word count to test their ability to beat popular ai detectors before subscribing to advanced plans.

파힘 조하르더

파힘 조하르더

기술 애호가, 기업가, 여행가이자 사우디아라비아 마디나 출신의 외국인입니다.

제휴 공개:

우리는 독자들의 지원을 받습니다. 우리는 수익을 얻을 수 있습니다 제휴하다 당사 사이트의 링크를 통해 구매하시면 수수료가 지급됩니다.

전문가들은 리뷰를 작성하기 전에 실제 경험을 바탕으로 리뷰를 작성합니다. 편집 지침 그리고 개인정보 보호정책

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