Rephrasy is an AI humanizer and AI detector that rewrites text from ChatGPT, Claude, Gemini and DeepSeek into natural human-sounding writing, with plagiarism checking and style cloning.
About
Rephrasy is an AI humanizer and AI detection tool that rewrites AI-generated text so that it reads like natural human writing. It is aimed primarily at students and professionals who draft content with models such as ChatGPT (GPT-5), Claude, Gemini, DeepSeek and Grok, and then need text that does not trip AI detectors such as Turnitin, GPTZero, Copyleaks, Originality.ai and ZeroGPT.
The workflow is simple: a user pastes AI-generated text into the Rephrasy editor, selects a humanizer model or a cloned personal writing style, and clicks Humanize. Rephrasy identifies telltale AI patterns — predictable phrasing, uniform rhythm and stock transitions — rewrites the text with varied sentence structure, and states that facts, figures and tone are preserved. A built-in detector scores the result before publishing, and the service reports supporting more than 50 languages, a Chrome extension, a REST API, an MCP server, and a plagiarism checker alongside the core humanizer.
Key Features
Pricing & Fees
- Pricing: A free tier exists for trying the humanizer and detector. Paid options include a $14.99 one-time 24-hour Quick Pass (unlimited humanizing and detection, 20 plagiarism credits), Growth at $8.25/month billed $99 yearly (100 humanizations/month, up to 2,000 words each), Business at $10.00/month billed $120 yearly (200 humanizations/month, API access, 3 custom styles), Professional at $18.33/month billed $220 yearly (400 humanizations/month), and a limited-time Lifetime Access offer at $199 (was $300) with unlimited humanizing and detection plus 2,400 plagiarism/API credits.
- Scale: Rephrasy reports more than 204,000 users and over 651,000 documents processed.
- Languages: The humanizer works in 50+ languages.
- Extras: Free readability checker and a free AI image detector are available on the site.
Who It's For
Rephrasy is built mainly for students who need essays, research papers and dissertations to pass academic AI checkers like Turnitin. It also targets marketers, SEO writers and agencies producing blog and social media content at scale, as well as professionals who want AI drafts rewritten in their own voice through the style-cloning feature. Developers and teams can automate the process through the API or MCP server, making it suitable for bulk content workflows.
FAQ
What is Rephrasy?Rephrasy is an online AI humanizer and AI detector that rewrites AI-generated text into natural human-sounding writing while preserving meaning, supported by a plagiarism checker and style cloning.
Is there a free plan?Yes, Rephrasy offers free use of the humanizer and AI detector to start, with paid plans beginning at $8.25/month (billed yearly) and a $14.99 24-hour pass.
Which AI models and detectors does it work with?It accepts text from ChatGPT, Claude, Gemini, DeepSeek, Grok, Llama and Mistral, and its output is designed to pass detectors including Turnitin, GPTZero, Copyleaks, Originality.ai and ZeroGPT.
Can Rephrasy be integrated into other tools?Yes, it offers a Chrome extension, a REST API for humanizing, detecting and training writing styles, and an MCP server for use inside AI assistants such as Claude and ChatGPT.
Is my data safe?Rephrasy publishes a privacy policy and terms of use covering data handling; users should review those documents on the official site for specifics.
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