What It Does
AI Scanner is a free AI content detection tool that analyzes text for patterns associated with AI-generated and paraphrased content from models such as ChatGPT, Claude, Gemini, and Perplexity. It is designed for students, educators, researchers, writers, and others who want to assess whether writing may appear AI-generated.
Users can paste up to 3,000 words or upload a text document, run the AI detection scan, and review an AI score with a sentence-by-sentence breakdown. Longer texts can be analyzed in chunks, allowing users to review larger documents without creating an account or paying.
Quick Verdict
- Best for: Students, educators, researchers, and writers needing free AI-content checks.
- Skip if: You need plagiarism detection, editing, or broader content-management features.
- Key Advantage: Free unlimited scanning with 3,000-word input support.
- Top Alternative: GPTZero
At a Glance
| Feature | Details |
|---|---|
| Category | AI Content Detector |
| Pricing Model | Free |
| Free Tier | Yes, unlimited checks |
| Platform | Web |
| API | Not specified |
| Primary Strength | Free cross-model AI detection |
Pricing & Plans
- Free: $0. Users can run as many checks as needed without creating an account.
- Input limit: Up to 3,000 words per submission.
- Long documents: Longer texts can be analyzed in chunks.
- File uploads: Text documents can be uploaded for analysis.
Note: Prices and plan limits may change. Check the official website for current pricing.
Key Features
- Detects AI-generated content from ChatGPT, Claude, Gemini, Perplexity, and other LLMs.
- Identifies both unedited and paraphrased AI-generated writing.
- Accepts pasted text or uploaded text documents.
- Provides AI scores with sentence-by-sentence analysis.
- Encrypts data in transit and at rest during processing.
- Continuously updates detection methods as AI models evolve.
Best For
- Students: Check essays and assignments for potentially AI-generated passages before submission.
- Educators: Review suspicious assignments and identify sentences that may require closer examination.
- Researchers: Scan academic drafts for AI-related patterns before journal submission.
- ESL writers: Identify passages that could potentially be misclassified as AI-generated.
- Content creators: Review writing for automated patterns before publishing.
Pros & Cons
Pros
- Free to use without an account.
- Supports up to 3,000 words per scan.
- Detects content associated with multiple major AI models.
- Provides sentence-level reporting rather than only an overall score.
Cons
- API availability is not specified.
- Plagiarism detection is not clearly listed as a core tool feature.
- AI detection results should not be treated as definitive proof of AI authorship.
Alternatives & Comparisons
| Alternative | Best For | Key Difference vs. This Tool |
|---|---|---|
| GPTZero | Academic AI detection | More established focus on AI detection for education |
| Copyleaks | AI and plagiarism checking | Combines AI detection with plagiarism-related workflows |
| Originality.ai | Content publishers | Broader content-authenticity and publishing-focused features |
AI Scanner sits in the free, accessibility-focused segment of AI detection tools, emphasizing quick checks without account or payment requirements. Choose it when you want a straightforward free scan rather than a broader paid content-verification platform.
Frequently Asked Questions
Is AI Scanner really free?
Yes. The provided information states that users can run as many checks as needed without paying or creating an account.
How much text can AI Scanner analyze?
Users can enter up to 3,000 words in a scan, while longer documents can be analyzed in chunks.
Does AI Scanner detect ChatGPT content?
Yes. AI Scanner states that it detects AI-generated content from ChatGPT, along with Claude, Gemini, Perplexity, and other popular LLMs.
Are AI detection results always accurate?
No AI detector should be treated as definitive proof. AI Scanner itself acknowledges that AI detectors can produce false positives, and its educational guidance recommends interpreting results with context and human judgment.
ToolsPedia Rating
- Performance & Speed: 4.4/5.0
- Ease of Setup: 4.8/5.0
- Feature Depth: 3.7/5.0
- Value for Price: 4.9/5.0
- ToolsPedia Score: 4.4/5.0
Final Thoughts
AI Scanner is a strong option for users who want a simple, no-cost way to screen writing for potential AI-generated patterns. Its 3,000-word input limit, file uploads, cross-model detection, and sentence-level reporting make it practical for academic and general writing checks, although detection results should be interpreted cautiously.
