Freedom251 › AI Text Humanizers
Rephrasy
What Rephrasy is
Rephrasy is an AI humanizer that rewrites AI-generated text and includes an AI detector. It is available on web, Android, iOS, through an API, and as a browser extension. The service names ChatGPT, Claude, Gemini, DeepSeek, and Grok as sources it can humanize; users can also check AI scores against GPTZero, Copyleaks, Turnitin, and Originality.ai. Stated use cases include academic writing, SEO and blog content, and social media and marketing. Rephrasy supports more than 50 languages, custom writing-style cloning, and Conversational, Paper, and Marketing presets. Its Chrome extension works in Google Docs, Gmail, LinkedIn, and other websites. Developer options include text humanization and detection APIs, an image humanizer API, and an MCP server for Claude, ChatGPT, Cursor, and Claude Code using a Rephrasy API key. Plans include a free plan and trial; Growth costs $8.25 a month billed yearly, and other listed plans include a $12.99 USD one-time Quick Pass and $199.00 USD one-time Lifetime Access. The terms say Rephrasy does not guarantee that humanized text will avoid detection by AI detectors.
Who it suits
Rephrasy may suit people working on academic writing, web content, or marketing who want text rewriting and AI detection tools. Developers can use its text and image APIs or MCP server integrations.
What it does well
- Free plan and free trial are available
- Supports more than 50 languages
- Chrome extension works in Google Docs and Gmail
- Offers text, detection, and image humanizer APIs
- Includes an AI detector
What to know first
- Does not guarantee humanized text will avoid AI detection
- Growth plan is $8.25 a month billed yearly
Limits
Growth is $8.25 per month billed annually and includes 100 humanizations per month, with each humanization up to 2,000 words. The API documents limits of 12,000 characters for plain text and 200,000 characters for HTML or Markdown.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Business | $120 yearly · 200 humanizations/month · 2,000 words each · 400,000 words/month · Humanizer API · Chrome extension · 3 writing styles · 2 extended scans | $120 a year |
| Quick Pass | one-time · 24 hours · unlimited humanizer · unlimited detector · 20 plagiarism credits | $12.99, paid once |
| Lifetime Access | one-time · 2,400 plagiarism/API credits · unlimited humanizer · unlimited detector | $199, paid once |
| Professional | $220 yearly · 400 humanizations/month · 2,000 words each · 800,000 words/month · Humanizer API · Detector API · Chrome extension · 10 writing styles · 10 extended scans | $220 a year |
| Growth | $99 yearly · 100 humanizations/month · 2,000 words each · 200,000 words/month · Chrome extension · 1 writing style · 1 extended scan | $99 a year |
As rephrasy.ai lists them, read 15 Oct 2026. The maker's own page has the final word.
Getting started
- Visit the Rephrasy website.
- Choose the free plan or start the free trial.
- Use Rephrasy on web, Android, or iOS, or add its browser extension.
- For API access, choose a plan that includes the API and consult its API documentation.
- Connect an MCP client using a Rephrasy API key.
Verdict
Rephrasy combines rewriting, detection, browser tools, and developer access across several platforms. Its terms make clear that humanized text is not guaranteed to evade AI detectors.
Questions
Does Rephrasy have a free plan?
Yes. Rephrasy lists a free plan and a free trial.
How much does Rephrasy cost?
Paid plans start at $8.25/mo billed annually. The listed Growth plan is billed at $99 yearly.
Which platforms does Rephrasy support?
It supports Android, iOS, web, an extension, and an API.
Does Rephrasy include an AI detector?
Yes. It includes an AI detector and offers a detector API on the Professional plan.
Does Rephrasy offer API access?
Yes. Its developer tools include text humanization and detection APIs and an image humanizer API.
Can Rephrasy guarantee that rewritten text will avoid AI detection?
No. Its terms say it does not guarantee humanized text will avoid detection by AI detectors.
Facts from Rephrasy's own pages
- AI detector
- The built-in detector reports AI likelihood and is marketed for checking GPTZero, Copyleaks, Turnitin and Originality.ai results. · rephrasy.ai, 15 Oct 2026
- API input limits
- Plain-text API requests are capped at 12,000 characters; HTML or Markdown requests at 200,000 characters and cost 2.5 times normal billing. · rephrasy.ai, 15 Oct 2026
- API limits
- The text API documents a 12,000-character plain-text limit and a 200,000-character HTML or Markdown limit. · rephrasy.ai, 4 Oct 2026
- Browser integration
- The Chrome extension can humanize or detect selected text in Google Docs, Gmail, LinkedIn and other websites. · rephrasy.ai, 15 Oct 2026
- Browser integrations
- The Chrome Extension page says users can humanize and detect text directly in Google Docs, Gmail, LinkedIn, and other websites. · rephrasy.ai, 4 Oct 2026
- Chrome listing
- The Chrome Web Store lists version 1.3.2, a 74.21 KiB package, 858 users and a required Rephrasy API key. · chromewebstore.google.com, 15 Oct 2026
- Company profile
- Crunchbase lists Rephrasy as an active private pre-seed AI/SaaS company headquartered in Gröbenzell, Bavaria, with 1–10 employees and two funding rounds whose amounts are hidden. · crunchbase.com, 15 Oct 2026
- Data handling
- The privacy policy says Rephrasy uses VPS providers for text processing and Firebase for data storage, retains data as long as necessary or legally required, and accepts deletion requests. · rephrasy.ai, 4 Oct 2026
- Detection caveat
- The terms state that Rephrasy does not guarantee humanized text will avoid detection by AI detectors. · rephrasy.ai, 4 Oct 2026
- Detection checks
- The homepage says users can check AI scores against detectors including GPTZero, Copyleaks, Turnitin, and Originality.ai. · rephrasy.ai, 4 Oct 2026
- Detector API
- A separate detector endpoint returns an overall 0–100 score or per-sentence depth results and costs one credit per successful call. · rephrasy.ai, 15 Oct 2026
- Developer access
- The API page documents text humanization and detection APIs, plus an image humanizer API. · rephrasy.ai, 4 Oct 2026
- Developer examples
- The API documentation includes JavaScript, Python and cURL examples but does not list a packaged SDK. · rephrasy.ai, 15 Oct 2026
- Google Play data safety
- Google Play says no third-party sharing is declared, while personal information, files/documents and app-performance data may be collected and data is not encrypted. · play.google.com, 15 Oct 2026
- Humanizer API
- The public REST API uses Bearer keys at v2-humanizer.rephrasy.ai/api/ and starts at $0.10 per 1,000 words. · rephrasy.ai, 15 Oct 2026
- Humanizer models
- Its API documents v4, ft_clean-v3, v3, Undetectable and SEO models, plus writing-style IDs. · rephrasy.ai, 15 Oct 2026
- Image API
- The image humanizer API supports batches of 1–100 images and charges 10 credits per image. · rephrasy.ai, 15 Oct 2026
- Input models
- The homepage names ChatGPT, Claude, Gemini, DeepSeek, and Grok as sources of text it can humanize. · rephrasy.ai, 4 Oct 2026
- Language coverage
- The homepage claims support for more than 50 languages. · rephrasy.ai, 15 Oct 2026
- Languages
- The homepage states that the service supports more than 50 languages. · rephrasy.ai, 4 Oct 2026
- Legal maker
- The terms identify the provider as Rephrasy, Impressumservice Dein-Impressum c/o, Stettiner Str. 41, 35410 Hungen, Germany, VAT DE351122428. · rephrasy.ai, 15 Oct 2026
- Limit: academic testing
- TextPulse’s review scored Rephrasy 2.93/5 overall and reported weak citation handling and terminology locking, creating risks for academic references, numbers and key terms. · textpulse.ai, 15 Oct 2026
- Limit: G2 credits and accuracy
- G2 reviewers report monthly credits can run out on large projects, brand voice may need proofreading, and more language/tone options are wanted. · g2.com, 15 Oct 2026
- Limit: independent bypass testing
- DetectionDrama reported tested detector-bypass rates of roughly 67–76% and criticized pricing opacity and uncertain detector effectiveness. · detectiondrama.com, 15 Oct 2026
Where Rephrasy stands on Freedom251
- AI Text Humanizers#8 of 25