Last updated 08-20-2026
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Rephrasy
Rephrasy is an AI text humanizer and detector that rewrites ChatGPT, Claude, Gemini, DeepSeek, and Grok output into natural prose. Paste AI draft text, pick a humanizer model or your cloned writing style, and Rephrasy returns rewritten copy you can scan against GPTZero, Turnitin, Copyleaks, and Originality.ai before you submit or publish.
Most humanizers stop at a single rewrite pass. Rephrasy pairs humanization with a built-in multi-detector score check and free re-humanize when results miss the mark, plus optional Turnitin-style extended scans on paid tiers. That workflow targets students and professionals who need verification, not just a paraphrase.
The site reports 124,610+ users, 651,589+ documents processed, and support for 50+ languages. Use cases span academic essays, SEO articles, and social posts, with a Chrome extension, mobile apps, and API access on higher plans.
Undetectable Model v4 rewrites text to pass GPTZero, Turnitin, Copyleaks, and Originality.ai checks
Built-in AI detector scores text against 11 detectors including Winston AI, Pangram, and ZeroGPT
Growth plan humanizes up to 200,000 words per month at $8.25 per month billed yearly
Clone Writing Style finetunes a custom model from your sample sentences
Chrome extension humanizes text inside Google Docs, Gmail, and LinkedIn
iOS and Android apps plus Humanizer and Detector APIs on Professional plans
Combines humanization with built-in multi-detector scoring in one workflow
Free re-humanize when detector scores still flag the output as AI
Clone Writing Style finetunes a custom model from your own samples
Chrome extension and iOS/Android apps extend use beyond the web editor
Word limits on paid tiers cap heavy users below unlimited usage
Extended Turnitin-style scans require support tickets rather than self-serve checkout
API access starts on Business and Professional plans only
How does Rephrasy humanize AI text?
Rephrasy rewrites pasted AI output through humanizer models that preserve meaning while changing phrasing and rhythm. After humanization, Rephrasy lets you check detector scores and re-humanize for free if the result still flags as AI.
Which AI detectors does Rephrasy bypass?
Rephrasy targets Turnitin, GPTZero, Copyleaks, Originality.ai, ZeroGPT, Winston AI, Pangram, and other major detectors listed on its homepage score panel. Paid tiers add extended scan reports through support.
Is Rephrasy free to use?
Yes. Rephrasy offers free access to its humanizer and detector on the homepage. Paid Quick Pass, Growth, Business, Professional, and Lifetime plans add higher word limits, API access, custom writing styles, and plagiarism credits.
How much does Rephrasy cost?
Rephrasy Quick Pass is $12.99 for 24 hours. Growth is $99 per year, Business is $120 per year, Professional is $220 per year, and Lifetime Access is $199 for unlimited humanizer and detector use plus 2400 plagiarism credits.
What languages does Rephrasy support?
Rephrasy supports more than 50 languages for humanization. The site interface also lists English, German, French, Spanish, Portuguese, Japanese, Polish, Indonesian, Dutch, Italian, Arabic, Turkish, Russian, and Korean locale options.
How does Rephrasy Clone Writing Style work?
Rephrasy collects sample sentences in your voice and finetunes a custom model for future humanizations. Growth includes 1 custom style, Business includes 3, and Professional includes 10 custom writing styles.
Can I integrate Rephrasy into my own software?
Yes. Rephrasy offers Humanizer API access on Business and Professional plans, plus AI Detector API access on Professional. The API solution page documents integration for teams that need humanization inside their own apps.