Scribbr (AI Detector)
Free student focused AI detector labeling text as AI generated, AI refined or human, by paragraph.
Best for Students self checking essays before submission
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What it does
Free student focused AI detector labeling text as AI generated, AI refined or human, by paragraph.
Read more: 3 features and how people use themShow less
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Paragraph level feedback
Highlights specific areas within a text to show which segments are likely generated or refined by AI.
Use caseAn educator checks student submissions to locate specific sections that were not written by the student.
From scribbr.com/ai-detector -
Paraphrasing detection
Distinguishes whether writing is fully created by AI, refined using assistive tools, or written by a human.
Use caseA blogger reviews articles submitted by external agencies to distinguish human writing from AI refined text before publishing.
From scribbr.com/ai-detector 路 image from Scribbr -
Multilingual support
Analyzes written content across multiple supported languages including English, German, French, and Spanish.
Use caseA student analyzes an essay written in German or French to verify proper attribution before submitting it to university.
From scribbr.com/ai-detector
Written from Scribbr's own website, checked . Each feature links to the page it comes from; images are Scribbr's own.
Every plan
| Plan | Monthly | Billed yearly | Per | What it includes |
|---|---|---|---|---|
| Free | Free | $0 | per account | unlimited, 1,200 words per scan |
| Premium (bundled in paid Scribbr plans) | Not listed | Not listed | per user | higher accuracy, GPT 4 detection; plans reportedly from ~$17.95 |
From Scribbr (AI Detector)'s own pricing page, checked . Prices are in US dollars per month; "billed yearly" is the monthly price when you pay for a year up front. Some of these figures came from third party reports and could not be confirmed on the official page.
Before you pay
- Support
- Email, live chat
Only what Scribbr's own pages state, with the quote behind each answer. Anything they don't publish is left out rather than guessed.
Scribbr video tutorials
Independent creators on YouTube, not Scribbr or us. The video loads from YouTube only when you press play.
What the free plan includes
Unlimited checks, up to 1,200 words per submission, no sign up
Questions people ask about Scribbr
Is Scribbr free?
Yes, there is a free plan: Unlimited checks, up to 1,200 words per submission, no sign up.
Does it detect content generated by ChatGPT, GPT4, or Gemini?
Scribbr's AI Detector detects most English texts generated by tools like ChatGPT, Gemini, and Copilot. The free detector identifies GPT2, GPT3, and GPT3.5 with average accuracy, while the Premium detector detects GPT4 with high accuracy. Source
How accurate is Scribbr鈥檚 AI detection software?
It detects most texts generated by tools like ChatGPT and Bard, but cannot guarantee 100% accuracy. Research indicates a maximum accuracy of 84% for premium tools and 68% for the best free tools. Source
How do I interpret the AI score?
The score is a percentage between 0% and 100% showing the proportion of text likely generated or refined using AI tools. Source
Can the AI content detector tool suggest improvements for my content?
No, it only provides a percentage between 0% and 100% indicating the likelihood of AI generated, AI refined, or human written content. Source
Works with
- AI models
- proprietary software
- Languages
- 4 languages (English, Spanish, German, French)
Where this came from
Plans, prices and limits were copied from Scribbr (AI Detector)'s own pages and the other sources listed, then checked .
- scribbr.com/ai-detector/
- fast.io/resources/scribbr-ai-detector-review-2026.md
- scribbr.com/ai-tools/chatgpt-citations/
- scribbr.com/ai-tools/chatgpt-research-paper/
- scribbr.com/category/ai-tools/
- scribbr.com/frequently-asked-questions/does-scribbrs-ai-content-det...
How we collect prices and rank tools 路 Is something wrong? Correct this listing
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