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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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GPTZero
✓ verifiedFreemium
AI-content detector aimed at educators, adding plagiarism, grammar and citation checks with claimed high accuracy.
17M visits/mo7.3K saves
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Walter AI
✓ verifiedFreemium
AI text humanizer and detector that rewrites AI-generated drafts to sound natural while flagging AI-written content.
1.8M visits/mo
Pricing
Pro: $14.95/month (2,000 credits/mo)
Enterprise: $179/month (15,000 credits/mo)
No public pricing
Starter: $8/month (30,000 words/month)
Pro: $13/month (70,000 words/month)
Elite: $26/month (200,000 words/month)
Teams: $99/month (500,000 words/month)
Free trial available
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
- ✦Detects AI text from major LLMs (ChatGPT, Claude, Gemini, Llama)
- ✦Sentence-level highlighting with explanations
- ✦Plagiarism and grammar checking
- ✦Hallucination and citation verification
- ✦Authorship/writing-process verification
- ✦Integrations for Chrome, Google Docs, Canvas and API
- ✦AI humanizer that rewrites drafts into natural-sounding prose
- ✦AI detector for text, images and deepfakes
- ✦Resume rewriter aimed at beating AI screening filters
- ✦Paraphraser with adjustable tone control
- ✦Grammar checker tuned to avoid robotic phrasing
- ✦Chrome extension and mobile apps for humanizing text anywhere
- ✦Developer APIs for humanization and detection at scale
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
- →Checking student work for AI-generated content
- →Verifying authentic authorship in classrooms
- →Screening submissions for publishers and recruiters
- →Detecting AI text through the API in other apps
- →Content teams polishing AI-assisted drafts before publishing
- →SEO agencies avoiding AI-content penalties
- →Educators screening student work for AI-generated text
- →Job seekers reworking AI-drafted resumes
- →Legal professionals refining AI-drafted documents
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