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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Originality AI
✓ verifiedPaid
Content-integrity suite pairing an accurate AI-text detector with plagiarism, fact, and readability checks.
2.4M visits/mo13K saves
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ZeroGPT
✓ verifiedFreemium
All-in-one AI writing suite led by an AI content/GPT detector, bundling a humanizer, paraphraser, grammar checker, translator, and chatbot.
26M visits/mo3.4K saves
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AI Content Detection
✓ verifiedFree
Free AI content detector for text, images and PDFs that estimates AI vs human probability with sentence-level analysis, no signup.
486 visits/mo
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Wasitai
✓ verifiedFreemium
AI image detector that scores uploaded photos for likelihood of being AI-generated, aimed at spotting fraud, catfishing, and fake listings.
Pricing
Pro: $14.95/month (2,000 credits/mo)
Enterprise: $179/month (15,000 credits/mo)
Free: $0 forever
No public pricing
No public pricing
Core features
- ✦AI-content detector with sentence-level highlighting
- ✦Plagiarism checker
- ✦Fact, grammar, and readability checkers
- ✦Chrome extension with writing replay
- ✦Team management and API access
- ✦Multi-model AI text detector (ChatGPT, GPT-5, Gemini, Claude, DeepSeek, etc.)
- ✦AI text humanizer to reduce detectability
- ✦Plagiarism checker across billions of sources
- ✦AI paraphraser, summarizer, and grammar checker
- ✦AI translator and word counter utilities
- ✦ZeroCHAT general-purpose AI chatbot
- ✦WhatsApp and Telegram bot access
- ✦Downloadable PDF detection reports and batch file upload
- ✦Free AI text detection with probability scores
- ✦Sentence-level AI highlighting
- ✦AI image detection
- ✦AI PDF document detection
- ✦No signup, in-browser processing
- ✦Download results as PDF
- ✦Drag-and-drop or URL-based image upload for analysis
- ✦Confidence-scored AI-generation detection report
- ✦Free guest credits plus renewing monthly credits on sign-up
- ✦API access for automated/bulk detection
- ✦No permanent storage of uploaded images
- ✦Misclassification reporting to improve detection
Use cases
- →Detect AI-generated text in submissions
- →Check content for plagiarism
- →Verify facts before publishing
- →Prove authorship of original writing
- →Run content QA at scale for agencies
- →Educators checking student submissions for AI-generated content
- →Writers verifying and humanizing AI-assisted drafts
- →Checking text for plagiarism before publishing
- →Businesses integrating AI detection via API
- →Quick grammar/translation checks while writing
- →Checking text for AI-generated content
- →Verifying images or PDFs
- →Quick, free AI checks without an account
- →Marketplace and dating platforms vetting user-uploaded photos
- →Journalists or fact-checkers verifying image authenticity
- →KYC/compliance teams screening for AI-generated ID photos
- →Everyday users checking suspicious online images
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