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

| 最后更新 Jul 30, 2025

最佳综合
GPTZero
4.8
  • Writing Report
  • Fast API
  • Canvas Integrations
  • Microsoft Add-On
  • 剽窃检查器
  • 提供免费计划
  • Paid Plans from $8.33
最佳价值
Originality.ai
4.5
  • AI Detection
  • 剽窃检查器
  • Chrome Extension
  • Accurate AI
  • Website Scanner
  • 可免费试用
  • Paid Plans from $12.95
最具特色
QuillBot
4.0
  • The Paraphraser
  • 语法检查器
  • Summarizer
  • Co-Writer
  • Quillbot Keyboard
  • 提供免费计划
  • Paid Plans from $4.17
Best AI Detectors

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 人工智能 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 学生 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

我们的看法

GPTZero

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

主要优势

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

定价

所有计划都将 每年结算一次。

  • 免费: $0/月。
  • 必不可少: $8.33/month.
  • Premium: $12.99/month.
  • Professional: $24.99/month.
GPTZero Pricing

优点

  • Highly accurate.
  • 用户友好界面
  • Comprehensive features.
  • Constant updates.
  • Supports educators.

缺点

  • 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

我们的看法

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!

主要优势

  • 准确性: Boasts 98-100% accuracy.
  • 假阳性: Has a very low false positive rate, around 2%.
  • 保修: Provides a 7-day satisfaction guarantee.
  • 特点 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

  • Pro: $12.95/month.
  • Pay-as-you-go: $30 (One time on demand pricing).
  • 企业: $136.58/month.
Originality AI Pricing

优点

  • High accuracy rate.
  • Easy-to-use interface.
  • Affordable pricing.
  • Helpful Chrome extension.
  • Website scanning feature.

缺点

  • 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 文本.

Its detector is strong.

It finds AI-made content.

It also helps humanize text.

利用我们的 QuillBot tutorial

Quillbot Introduction

我们的看法

Quillbot

Ready to transform your writing? Over 50 million users have already experienced Quillbot’s powerful paraphrasing capabilities. Explore it now!

主要优势

  • 准确性: Achieves around 90% accuracy for general AI detection.
  • 假阳性: Known for a reasonable false positive rate, typically under 5%.
  • 保修: Offers a 3-day money-back guarantee on premium plans.
  • 特点 Distinguishes AI-generated from AI-assisted human text, integrated with paraphrasing and grammar tools, offers free scans for shorter texts, provides detailed analysis reports, easy to use interface.

定价

所有计划都将 每年结算一次。

  • 免费: $0/月。
  • Premium: $4.17/month.
  • Team Plan: 根据您的需求定制价格。
Quillbot Pricing

优点

  • User-friendly.
  • Versatile features.
  • Time-saving.
  • 提高写作水平。
  • Analysis reports.

缺点

  • Can produce awkward phrasing.
  • Free version limitations.
  • Shouldn’t be solely relied upon.
  • Cost of premium subscription.

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

我们的看法

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!

主要优势

  • 准确性: Claims an impressive 99.98% accuracy.
  • 假阳性: Reports a near-zero false positive rate.
  • 保修: Includes a 14-day refund policy.
  • 特点 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

  • 免费: $0/月。
  • 必不可少: $10/month.
  • 高级: $16/month.
  • Elite: $26/month.
Winston AI Pricing

优点

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

缺点

  • 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

我们的看法

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!

主要优势

  • 准确性: Provides around 95% accuracy for AI content.
  • 假阳性: Has a low false positive rate, typically 3-4%.
  • 保修: No specific warranty mentioned; relies on subscription terms.
  • 特点 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

所有计划都将 每年结算一次。

  • Writing: $9/month.
  • Reviewing: $15/month.
  • Ultimate: $18/month.
Smodin Pricing

优点

  • Fast content creation.
  • Easy-to-use interface.
  • Comprehensive Analysis.
  • 价格合理的定价计划。
  • Helpful AI tools.

缺点

  • Pricing for Advanced Features.
  • AI writing quality.
  • Limited free plan.
  • 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

我们的看法

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!

主要优势

  • 准确性: Delivers approximately 92% accuracy in AI detection.
  • 假阳性: Maintains a low false positive rate, around 4%.
  • 保修: No explicit warranty; focuses on subscription service.
  • 特点 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

All the plans will 每年结算一次。

  • 免费: $0/月。
  • 企业: $11.99/month.
  • 必不可少: $13.99/month.
Quetext Pricing

优点

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

缺点

  • 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 搜索引擎优化.

It helps bypass filters.

Unlock its potential with our Undetectable tutorial.

Undetectable AI Introduction

我们的看法

Undetectable AI

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

主要优势

  • 准确性: Offers up to 90% accuracy in detecting AI.
  • 假阳性: Claims a low false positive rate, about 5%.
  • 保修: No specific warranty; subscription-based.
  • 特点 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.

定价

  • Yearly: $5/month.
  • 每月: $19.00/month.
  • For 商业: Custom pricing based on your needs.
Undetectable AI Pricing

优点

  • Bypasses AI detectors.
  • Improves content quality.
  • Saves time.
  • 易于使用。
  • Works with various AI writing tools.

缺点

  • 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

我们的看法

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!

主要优势

  • 准确性: Provides around 88-90% accuracy for AI detection.
  • 假阳性: Reports a moderate false positive rate, around 6%.
  • 保修: Not explicitly stated; service is subscription-based.
  • 特点 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

  • 免费: $0/月。
  • Unlimited: $12.99/month.
Phrasly AI Pricing

优点

  • Accurate AI Detection.
  • Effective AI Detection Bypass.
  • 用户友好界面
  • Comprehensive Analysis.
  • Versatile options.

缺点

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

9. Grammarly (⭐2.8)

语法 is a writing assistant.

Its AI detection is robust.

It finds AI alongside grammar issues.

It’s a very popular tool.

利用我们的 Grammarly tutorial

Grammarly 简介

我们的看法

Grammarly CTA

想要专家级的写作水平?Grammarly Premium 的剽窃检查程序可扫描 160 多亿网页,确保原创性。立即体验!

主要优势

  • 准确性: 提供强大的人工智能检测功能,通常在 90-92% 左右。
  • 假阳性: 保持较低的误报率,一般低于 5%。
  • 保修: 适用标准订购条款,无特殊保证。
  • 特点 将人工智能检测与语法和拼写检查相结合,提供剽窃检测,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

所有计划都将 每年结算一次。

  • 免费: $0/月。
  • Pro: $12/月
  • 企业: 根据您的需求定制价格。
Grammarly 定价

优点

  • 捕捉许多错误。
  • 易于使用。
  • 随处可用
  • 提高写作水平。
  • 建立信心。

缺点

  • 可能很贵。
  • 并不总是完美的。
  • 可过度纠正。
  • 有限的免费版本。

What to Look For When Choosing the Best AI Detector?

  • 准确性: The most important factor is how well the detector can distinguish between human-written and AI-generated content.
  • 易于使用: Look for a tool with a user-friendly interface and clear results.
  • Speed: You don’t want to wait forever for results, so choose a detector that works quickly.
  • 特点 Consider additional features like plagiarism detection or integration with other tools.
  • 定价 Compare pricing plans and choose one that fits your budget.
  • 客户支持: 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.

购买指南

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

  • 定价分析: We thoroughly investigated the cost associated with each AI tool, including any free tools or free accounts offered, to assess their value proposition.
  • Feature Comparison: 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.
  • 支持和退款政策审查: 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.
  • Keyword Integration: 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.

总结

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.

常见问题

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 AI tool.

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.

相关文章

zh_CNChinese