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Undetectable AI
✓ verifiedFree trial
AI writing detector and humanizer that rewrites AI-generated text to pass detection tools for students, writers, and businesses.
4.0M visits/mo27K saves
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TwainGPT
✓ verifiedPaid
AI text humanizer and detector aimed at writers and marketers who need AI-generated drafts to read as human and pass detection tools.
282K visits/mo
Pricing
No public pricing
Free trial available
Basic: $8/month billed annually (8,000 humanizer words, 100 detector uses, 50 generator uses)
Premium: $20/month billed annually (30,000 humanizer words, 500 detector uses, 200 generator uses)
Ultimate: $40/month billed annually (unlimited words, detector, and generator uses)
Core features
- ✦AI text detector with sentence-level flagging
- ✦AI humanizer/rewriter that scores as human on detectors
- ✦AI-generated image detector
- ✦Fake PDF and AI audio detectors
- ✦Chrome extension for in-browser use
- ✦Sentence rewriter and word counter utilities
- ✦AI text humanizing engine
- ✦Built-in AI content detector
- ✦Support for 100+ languages
- ✦Mobile-optimized interface
- ✦Tuned against specific detectors such as GPTZero and Turnitin
Use cases
- →Students checking assignments before submission
- →Content writers keeping AI-assisted drafts flag-free
- →Professionals polishing client emails and reports
- →Businesses scaling content output without losing consistency
- →Writers polishing AI drafts before publishing
- →Marketers avoiding spam or AI-content flags on social and email
- →Bloggers keeping AI-assisted posts from being downgraded by search engines
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