Gemini Detector: Scan Text for AI Phrasing
Use this Gemini detector to evaluate AI-typical phrasing in document text, essays, and reports. Understand text-only analysis versus SynthID watermarks. Choose standalone AI ($0.29/page) or Combo ($0.39/page) in about 15 minutes.
Mitigation pathways require coordinated fiscal interventions across international energy grids. Consequently, regulatory frameworks must balance economic growth with environmental resilience.
Illustrative example, not an actual report. Similarity and AI typicality are distinct, non-additive metrics.
Text-Only Detection vs Google SynthID Watermarking
Google DeepMind created SynthID to watermark AI-generated media and text. Understanding what independent scanners do and do not inspect ensures realistic expectations.
What SynthID Does
Google DeepMind created Google SynthID to embed invisible statistical marks into AI-generated media and text. Plagiarism Checker Online does not inspect SynthID watermarks and relies solely on text-only typicality analysis.
Our Text-Only Scan
Plagiarism Checker Online inspects document prose directly in PDF, DOCX, DOC, and TXT files. We do not inspect digital watermarks or analyze image and audio files. Our check evaluates sentence-level statistical typicality across text strings.
Database Source Matching
With our Combo scan, the engine pairs sentence typicality with matching against about 70 billion public sources. This highlights matching passages so you can verify that all quoted or paraphrased material is cited.
General AI Signals, Not Model Identification
AI detection evaluates writing characteristics across large language models, not individual model ownership.
Sentence-Level AI Typicality (0 to 100)
PlagAware assigns each sentence an AI typicality rating from 0 to 100, where 50 reflects neutral balance. Sentences with phrasing commonly observed in machine-generated prose receive higher scores.
Plagiarism Checker Online has no model-specific validation for Gemini, and scores do not confirm which model generated the text. Use highlighted passages as an informative guide to review your writing in your authentic voice.
Academic Phrasing and Research Limits
Standard academic prose often uses structured formulas, concise summaries, and formal connectors. Independent research by Liang et al. (2023, Patterns 4(7), doi: 10.1016/j.patter.2023.100779) highlights elevated false positive rates in formal and non-native English writing on statistical detectors.
Because detection algorithms can flag formal human writing, reports should always be reviewed by authors and instructors as an informative guide rather than proof of misconduct.
How to Scan Your Draft
Follow three straightforward steps to receive a detailed PDF breakdown of your paper.
Upload Document
Select your PDF, DOCX, DOC, or TXT file up to 50 MB. The system calculates page counts at 1,800 characters per standard page.
Select AI or Combo Scan
Choose standalone AI detection ($0.29/page) for sentence typicality, or the Combo scan ($0.39/page) to add matching across ~70 billion public sources.
Receive PDF Report
Get your full report in your email inbox in about 15 minutes. Download tokens remain active for 48 hours.
Simple, Pay-Per-Page Pricing
No subscriptions or recurring fees. Minimum order $0.90.
Plagiarism Scan
Source plagiarism check only
Minimum order $0.90
- About 70 billion public sources
- Results in about 15 minutes
- PDF report with matching URLs
- Checks paraphrased content
Combo: Plagiarism + AI
Complete source & AI analysis
- Full plagiarism check (70B sources)
- Sentence-level AI typicality analysis
- 0 to 100 score per sentence
- Combined PDF report in ~15 min
AI Scan
AI typicality analysis only
Minimum order $0.90
- Sentence-level typicality score
- Results in about 15 minutes
- Scored sentence highlights
- General AI signals, no model tags
1 standard page equals 1,800 characters including spaces. Minimum order $0.90. Secure processing on German servers; download tokens valid for 48 hours.
Document Privacy and Data Protection
Your papers remain confidential. We do not publish files or add them to a public comparison database; see privacy policy.
German Server Hosting
All uploaded files are processed securely on servers located in Germany. See our Privacy Policy for data handling details.
No Public Database
We do not publish files or add them to a public comparison database; see privacy policy.
48-Hour Download Access
Your PDF report download link remains active for 48 hours. Download tokens expire automatically, and no customer account is required.
Frequently Asked Questions
No. Plagiarism Checker Online does not inspect Google SynthID watermarks. Our scanner performs a text-only evaluation of submitted document text for sentence-level AI typicality across large language models. Text matching across about 70 billion public sources is available with the Combo scan.
No. Our scan measures statistical phrasing patterns common across large language models in general. Plagiarism Checker Online has no model-specific validation or proprietary access for Gemini models, and scores do not confirm which model generated the text.
AI assistants frequently pull phrasing and factual explanations from existing web materials. A Combo scan ($0.39 per page) evaluates both dimensions simultaneously: it checks whether sentences show automated stylistic patterns and matches text against about 70 billion public sources to ensure all borrowed material is cited.
PlagAware scores each sentence individually from 0 to 100, where 50 is neutral writing. Lower numbers indicate text more typical of human writing, while higher numbers flag expressions more typical of machine-generated text. Highlighted passages serve as an editorial checklist for manual review.
Supported formats include PDF, DOCX, DOC, and TXT files up to 50 MB with selectable text. Scanned document images without selectable text are not supported. Uploads are processed securely on German servers, and report download links remain active for 48 hours. Files are handled according to our privacy policy without being added to a public database.
Explore Additional Detection Tools
Review guides for drafts from AI assistants and academic integrity tools across our platform.
Review sentence-level typicality and citation boundaries in Claude academic drafts.
Understand how detectors evaluate submitted final prose rather than reasoning tokens.
Check Microsoft Word drafts for AI phrasing while distinguishing prose from code.
General large language model detection covering sentence-level typicality from 0 to 100.
Also see our Plagiarism Checker, AI Content Checker, and free Citation Generator.
Audit Your Academic Paper Before Submission
Upload your draft for sentence-level AI typicality or a complete Combo scan in about 15 minutes. From $0.29 per page.