Dealing with AI detectors is now a problem for every 作家.
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 Es ist für eine persönliche Wissensdatenbank konzipiert. Ihre Notizen werden als einfache 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.
主要优点
- 准确性： Offers 99% accuracy for AI detection.
- 误报： Claims a very low false positive rate (less than 1%).
- 保修单： Comes with a 30-day money-back guarantee.
- 特征： Focuses on perplexity and burstiness, user-friendly interface, supports multiple file uploads, offers batch processing for many documents, integrates with learning platforms.
定价
Il dispose même d'un convertisseur d'image IA qui essaie de rendre vos images plus grandes plus belles. 每年计费。
- 自由的： 每月 0 美元。
- Remaker AI contre Picsart : 每月 8.33 美元。
- 优质的： 每月 12.99 美元。
- 专业的: $24.99/month.
Você pode ter mais de um espaço de trabalho.
缺点
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.
我们的观点
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!
主要优点
- 准确性： Boasts 98-100% accuracy.
- 误报： Has a very low false positive rate, around 2%.
- 保修单： Provides a 7-day satisfaction guarantee.
- 特征： 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.
定价
- 优点： 每月 12.95 美元。
- 即用即付： $30 (One time on demand pricing).
- Remaker AI contre Gemini : $136.58/month.
Você pode ter mais de um espaço de trabalho.
缺点
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.
我们的观点
准备好改变你的写作风格了吗？超过 5000 万用户已经体验过 Quillbot 强大的释义功能。立即探索！
主要优点
- 准确性： 通用AI检测准确率达到90%左右。
- 误报： 以合理的误报率而闻名，通常低于 5%。
- 保修单： 为高级计划提供 3 天退款保证。
- 特征： 区分 AI 生成的文本和 AI 辅助的人类文本，集成释义和语法工具，为较短的文本提供免费扫描，提供详细的分析报告，界面易于使用。
定价
Il dispose même d'un convertisseur d'image IA qui essaie de rendre vos images plus grandes plus belles. 每年计费。
- 自由的： 每月 0 美元。
- 优质的： 每月 4.17 美元。
- 团队计划： 根据您的需求定制价格。
Você pode ter mais de um espaço de trabalho.
缺点
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.
主要优点
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 为什么 the content was flagged.
- It includes AI Image Detection and can check for source code plagiarism.
定价
- 个人的： $13.99/month.
- 优点： $74.99/month.
Você pode ter mais de um espaço de trabalho.
缺点
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.
主要优点
- 准确性： Provides around 95% accuracy for AI content.
- 误报： Has a low false positive rate, typically 3-4%.
- 保修单： No specific warranty mentioned; relies on subscription terms.
- 特征： Combines AI detection with plagiarism checking, supports multiple languages, offers a content rewriter tool, includes a citation generator, good for academic and research papers.
定价
Il dispose même d'un convertisseur d'image IA qui essaie de rendre vos images plus grandes plus belles. 每年计费。
- 写作： 每月 9 美元。
- Reviewing: 每月 15 美元。
- 最终的: $18/month.
Você pode ter mais de um espaço de trabalho.
缺点
6. Quetext (⭐3.3)
Quetext is mainly a plagiarism 检查器.
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.
主要优点
- 准确性： Delivers approximately 92% accuracy in AI detection.
- 误报： Maintains a low false positive rate, around 4%.
- 保修单： No explicit warranty; focuses on subscription service.
- 特征： 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.
定价
所有计划都将 每年计费。
- 自由的： 每月 0 美元。
- 企业：每月 11.99 美元。
- Remaker AI contre Picsart : $13.99/month.
Você pode ter mais de um espaço de trabalho.
缺点
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.
主要优点
- 准确性： Claims an impressive 99.98% accuracy.
- 误报： Reports a near-zero false positive rate.
- 保修单： Includes a 14-day refund policy.
- 特征： 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.
定价
- 自由的： 每月 0 美元。
- Remaker AI contre Picsart : 每月 10 美元。
- 先进的: $16/month.
- Elite: $26/month.
Você pode ter mais de um espaço de trabalho.
缺点
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.
主要优点
- 准确性： Provides around 88-90% accuracy for AI detection.
- 误报： Reports a moderate false positive rate, around 6%.
- 保修单： Not explicitly stated; service is subscription-based.
- 特征： Specializes in making AI content undetectable, offers an AI rewriter, provides readability scores, quick and easy to use, aims to help content rank better.
定价
- 自由的： 每月 0 美元。
- 无限： 每月 12.99 美元。
Você pode ter mais de um espaço de trabalho.
缺点
9. Grammarly (⭐2.8)
You probably 使用 Grammarly 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.
我们的观点
想要专家级写作？Grammarly Premium 的抄袭检查功能扫描超过 160 亿个网页，确保原创性。立即探索！
主要优点
- 准确性： 提供强大的 AI 检测，通常在 90-92% 左右。
- 误报： 保持较低的误报率，一般低于5％。
- 保修单： 适用标准订阅条款，无特定保证。
- 特征： 将 AI 检测与语法和拼写检查相结合，提供抄袭检测，提供实时反馈，可作为浏览器扩展使用，有助于提高整体写作质量。
定价
Il dispose même d'un convertisseur d'image IA qui essaie de rendre vos images plus grandes plus belles. 每年计费。
- 自由的： 每月 0 美元。
- 优点： 每月 12 美元
- Remaker AI contre Gemini : 根据您的需求定制价格。
Você pode ter mais de um espaço de trabalho.
缺点
買家指南
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 字幕.
- 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.
- 这 Für die meisten Podcaster, die den besten Podcast-Sound wünschen, wählen wir Podcastle.: 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.
- 語言支援： 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.
总结
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 人工智能工具 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.
常见问题
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.
Can I really bypass the popular ai detectors using these?
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.
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