Phrasly
An online tool that provides free AI detection and plagiarism check, the official website claims that its accuracy in detecting text generated by mainstream models reaches 99.8%, with no word limit, results generated in seconds, and specific sentences triggering detection will be highlighted.
Updated: 2026-10-26
What is Phrasly?
Phrasly offers free AI detection and plagiarism checks. Its official website claims that it has an accuracy rate of 99.8% in detecting content generated by ChatGPT, Claude, Gemini, Perplexity and other AI tools, with no word limit. It prominently states on its official website that detected text is securely deleted immediately after analysis, and is not stored, shared or used for model training.
Who is it for?
- Teachers who need to quickly check whether a batch of assignments contains AI-generated content.
- Students who want to check the proportion of AI-generated content in their papers before submission.
- Editors and content platforms that review external submissions and ghostwritten manuscripts.
- Writers with high requirements for text confidentiality and who do not want their content to be retained.
- Freelance writers who need to provide proof of originality to clients or platforms.
Key features
8AI Detector
Judges the probability that the text is AI-generated, and the official website states that results are available within 10 seconds.
Detailed Highlighting
Instead of just providing a percentage, it accurately identifies the sentences that trigger the detection.
Comprehensive model coverage
The official website lists ChatGPT 4o, ChatGPT 5 and 5.1, the entire Claude series, Gemini and Bard, Meta Llama, as well as writing tools such as Jasper and Copy.ai.
Plagiarism Checker
A plagiarism check entry alongside AI detection.
Privacy Protection
The official website states that analyzed text is immediately deleted, no account is required, there is no tracking, and no data is retained.
Phrasly Ultra
A new version marked as watermark-free on the official website.
Model Training Explanation
The official website states that its proprietary model is trained on over 1 million real human-written articles rather than synthetic AI-generated content.
API & Integration
The official website lists API entry points, making it easy to integrate the detection into your own workflows.
How to use Phrasly
- 1The official website clearly states, "These results should not be used to punish students or writers, but rather as part of a comprehensive assessment," and do not treat a single percentage as a conclusion.
- 2Review the highlighted sentences alongside the full text; short texts and rewritten paragraphs are more prone to deviations.
- 3The official website states that it's free with no character limit, so you can test it with long texts, but you may have to wait in line during peak hours.
- 4For unpublished manuscripts, confirm that you accept its privacy policy before pasting the full text.
- 5Detection rules and model coverage are continuously updated. For important judgments, it is recommended to run through one or two additional tools for cross-verification.
- 6The official website emphasizes that the detector is designed for academic integrity, and teachers can use the highlighted results to communicate with students instead of just giving a score.
Traffic & popularity
Data month Sep 2026
Phrasly receives about 449.1K visits per month and ranks #119,336 worldwide.
Monthly visits
12 monthsTraffic sources
- Direct46.8%
- Search41.2%
- Display ads4.8%
- Social2.7%
- AI assistants1.7%
- Other2.8%
Top countries
- United States51.2%
- Australia7.6%
- Canada3.8%
- Philippines2.9%
- South Africa2.9%
Estimated from third-party traffic data.
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