Are you worried about content originality?
Maybe Quetext misses sneaky AI-generated 제니 vs 라이트소닉: 2025년 최고의 AI 작가 7.
It can be a real pain to feel unsure about your writing’s safety.
Today, you need more than just a simple plagiarism check.
You need tools that find deep copies and catch complex AI writing.
Slow checks and high fees waste your time and money.
You deserve better accuracy.
We have the fix! We looked at the best tools out there.
This list has the 9 Best Quetext Alternatives, which offers better AI detection and faster reports for 2025.
Keep reading to find the perfect checker to 作る your content safe and original.
What is the Best Quetext Alternative?
Quetext is okay, but you can find much better tools.
Many new checkers are faster and catch tricky AI content.
You should not have to worry about your work getting flagged.
We checked out the top services for 2025.
This list shows the best tools you can use right now.
Choose one that fits your needs for perfect content safety.
1. GPTZero (⭐4.8)
You want high accuracy? This is it. GPTZero is an industry leader.
It flags text at the sentence level.
This tool is best for educators or content safety.
It catches mixed human and AI content very well.
主なメリット
- 正確さ： Offers 99% accuracy for AI detection.
- 誤検知: Claims a very low false positive rate (less than 1%).
- 保証： Comes with a 30-day money-back guarantee.
- Features: Focuses on perplexity and burstiness, user-friendly interface, supports multiple file uploads, offers batch processing for many documents, integrates with learning platforms.
価格
すべての計画は 毎年請求されます。
- Free: 月額0ドル。
- 不可欠： 月額8.33ドル。
- プレミアム: 月額12.99ドル。
- Professional: $24.99/month.
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2. Originality AI (⭐4.5)
This tool is a favorite for web publishers.
It checks for AI and plagiarism in one scan.
It also has a fact-checker to stop AI “hallucinations.”
Originality AI gives detailed reports.
私たちの見解
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!
主なメリット
- 正確さ： Boasts 98-100% accuracy.
- 誤検知: Has a very low false positive rate, around 2%.
- 保証： Provides a 7-day satisfaction guarantee.
- Features: 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.
価格
- Pro: 月額12.95ドル。
- 従量課金制: $30 (One time on demand pricing).
- 企業： $136.58/month.
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3. Copyleaks (⭐4.0)
Copyleaks is a robust checker with support for over 30 languages.
You can scan up to 25,000 characters for free.
It is great for global teams. It has a low false-positive rate.
主なメリット
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 なぜ the content was flagged.
- It includes AI Image Detection and can check for source code plagiarism.
価格
- 個人的： $13.99/month.
- Pro: $74.99/month.
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4. QuillBot (⭐3.8)
QuillBot is mainly known for paraphrasing text.
It is a full writing suite. It includes an AI Detector and a Plagiarism Checker.
Use it to quickly refine your AI drafts.
私たちの見解
文章を劇的に変える準備はできていますか？5,000万人以上のユーザーがQuillbotの強力なパラフレーズ機能をすでに体験しています。今すぐお試しください！
主なメリット
- 正確さ： 一般的な AI 検出で約 90% の精度を実現します。
- 誤検知: 誤検出率が妥当であることで知られており、通常は 5% 未満です。
- 保証： プレミアムプランには 3 日間の返金保証が付いています。
- Features: AI 生成テキストと AI 支援人間テキストを区別し、言い換えおよび文法ツールを統合し、短いテキストの無料スキャンを提供し、詳細な分析レポートと使いやすいインターフェースを提供します。
価格
すべての計画は 毎年請求されます。
- Free: 月額0ドル。
- プレミアム: 月額4.17ドル。
- チームプラン: ニーズに応じて価格をカスタマイズします。
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5. Smodin (⭐3.5)
Smodin helps you create and check content in over 100 languages.
It is a writing assistant with plagiarism tools.
The service also helps generate citations fast.
主なメリット
- 正確さ： Provides around 95% accuracy for AI content.
- 誤検知: Has a low false positive rate, typically 3-4%.
- 保証： No specific warranty mentioned; relies on subscription terms.
- Features: Combines AI detection with plagiarism checking, supports multiple languages, offers a content rewriter tool, includes a citation generator, good for academic and research papers.
価格
すべての計画は 毎年請求されます。
- Writing: 月額9ドル。
- Reviewing: 月額15ドル。
- Ultimate: $18/month.
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6. Winston (⭐3.3)
Winston Winston AI focuses on simplicity and accuracy.
It offers AI content detection and plagiarism checks.
It can highlight likely AI-generated sentences.
It is easy to use for big documents.
主なメリット
- 正確さ： Claims an impressive 99.98% accuracy.
- 誤検知: Reports a near-zero false positive rate.
- 保証： Includes a 14-day refund policy.
- Features: 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.
価格
- Free: 月額0ドル。
- 不可欠： 月額10ドル。
- Advanced: $16/month.
- Elite: $26/month.
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7. Phrasly AI (⭐3.2)
Phrasly AI’s main job is to humanize AI text.
It is built to bypass AI detectors.
It also has a basic AI detector for quick checks.
This tool is useful for refining first drafts.
主なメリット
- 正確さ： Provides around 88-90% accuracy for AI detection.
- 誤検知: Reports a moderate false positive rate, around 6%.
- 保証： Not explicitly stated; service is subscription-based.
- Features: Specializes in making AI content undetectable, offers an AI rewriter, provides readability scores, quick and easy to use, aims to help content rank better.
価格
- Free: 月額0ドル。
- Unlimited: 月額12.99ドル。
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8. Undetectable (⭐3.0)
Undetectable is another popular AI humanizer and detector combo.
It claims to convert AI text into human-like prose.
It offers a free checker that uses multiple detection models.
私たちの見解
Give Undetectable AI a try! It bypasses 98% of AI content detectors, ensuring your AI-generated text goes undetected. Explore it today!
主なメリット
- 正確さ： Offers up to 90% accuracy in detecting AI.
- 誤検知: Claims a low false positive rate, about 5%.
- 保証： No specific warranty; subscription-based.
- Features: 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.
価格
- Yearly: 月額5ドル。
- 毎月: $19.00/month.
- For 仕事: ニーズに応じて価格をカスタマイズします。
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9. Grammarly (⭐2.8)
You know Grammarly for grammar.
Its Premium version has an AI Detector and a Plagiarism Checker.
It helps maintain integrity and suggests citations.
It is a good all-in-one writing assistant.
私たちの見解
プロレベルの文章をお望みですか？Grammarly Premiumの剽窃チェッカーは160億以上のウェブページをスキャンし、オリジナリティを保証します。今すぐお試しください！
主なメリット
- 正確さ： 強力な AI 検出を提供し、多くの場合 90 ～ 92% 程度です。
- 誤検知: 低い誤検出率（通常は 5% 未満）を維持します。
- 保証： 標準のサブスクリプション条件が適用されますが、特定の保証はありません。
- Features: AI 検出を文法およびスペル チェックと統合し、盗作検出機能を提供し、リアルタイムのフィードバックを提供し、ブラウザー拡張機能として利用可能で、全体的な文章品質の向上に役立ちます。
価格
すべての計画は 毎年請求されます。
- Free: 月額0ドル。
- Pro: 月額12ドル
- 企業： ニーズに応じて価格をカスタマイズします。
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バイヤーズガイド
We know you want the most accurate plagiarism checker.
Finding the right plagiarism detection tool takes real work.
We focused on what truly matters to writers, students, and 教師 in 2025.
Here are the key steps we took to find the best plagiarism checker and determine which of the paid ones and free tool options deserve your money or time:
- 価格と価値: We checked the cost of the premium plan versus the free plan or free version. Does the price make sense for the features? We also checked if they offered a free trial or needed additional credits.
- Core Accuracy: This is key. We tested each plagiarism checker tool for reliable detection of duplicate content across websites, Wikipedia articles, other sites, and academic papers. We looked for the deep search technology that finds hard-to-spot plagiarized material.
- AI Detection 能力: Today, a top plagiarism detector must detect AI-generated content. We checked how well each tool flags this new type of copied content.
- Database Size & Type: The tool must have a large database to check plagiarism effectively. Does it compare against unpublished documents or just the live internet? We also checked whether they protect your own work from future scans (self-plagiarism).
- Features: What extras do users get? We looked for a good grammar checker to fix grammatical errors and grammar errors, writing assistance features, a citation assistant, and the ability to upload documents or long documents easily. We also looked for features such as color-coding in the plagiarism report.
- Usability & Support: Is the checker tool easy to use for students submitting a paper or teachers checking multiple documents? Do they offer easy access and support multiple languages? We checked if the service helps you remove plagiarism or find plagiarism.
まとめ
We have just given you the best tools to look at.
Moving past Quetext is simple with these strong options.
Using a paid version is best if you are an educational institution or a professional 作家.
These tools do a much better job of detecting plagiarism from different sources.
They also help you prevent plagiarism and keep your original writing safe.
The best tool helps find plagiarized content before it hurts your reputation.
Whether you choose the best free plagiarism checker or a tool better than Copyscape Premium, always check your work.
よくある質問
Which plagiarism software is the most accurate alternative to Quetext?
GPTZero and Originality AI are seen as the most accurate tools today. They use advanced AI to detect plagiarism and newer forms of words copied from other texts. These are best for professional results.
Does a free plagiarism checker work well for universities?
No. Free checkers often limit the number of words you can scan and use smaller databases. Universities need paid tools like Turnitin or Copyleaks for the highest accuracy and comprehensive checks.
What unique services does Scribbr offers?
Scribbr offers a plagiarism checker with a high academic focus. They also provide human editing services and citation 発電機. This makes it a complete software suite for students writing complex academic papers.
Can these alternatives detect AI-generated content?
Yes, most top Quetext alternatives, like Originality AI and GPTZero, now include dedicated AI detection. This feature helps confirm that the content is your own words and not generated by AI.
How can I ensure my academic writing isn’t flagged as plagiarism?
Use one of the featured software tools to scan your paper before submitting. Always cite your different sources correctly, and ensure your words are properly quoted or paraphrased to avoid issues with universities.
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