AI Humanize is an online AI humanizer that rewrites AI-generated text into natural, human-like writing and checks it against AI detectors such as GPTZero and Turnitin.
About
AI Humanize is a web-based tool that rewrites text produced by AI systems so that it reads like natural human writing and is less likely to be flagged by AI-detection services. It targets a common frustration: AI drafts often sound mechanical and can be identified by checkers such as Turnitin, GPTZero, Copyleaks, ZeroGPT, QuillBot, Writer, Sapling, and Originality.ai, all of which the product lists on its site.
The workflow is simple: a user pastes AI text (or uploads a .txt, .md, .pdf, or .docx file up to 10MB), clicks a humanize button, and receives a rewritten version, with the site stating results typically appear in about ten seconds. According to the pricing page, AI Humanize is built by a student-led team of graduate students and Ph.D. candidates working on algorithms. The service offers free word allowances (a starting pool of 2,000 words at signup, with limited daily use) plus paid subscriptions, an AI detector of its own, and an API for programmatic access.
Key Features
Pricing & Fees
- Pricing: Monthly plans are Basic at $15 (20,000 words/month, 1,000 words per request), Pro at $25 (60,000 words/month, unlimited words per request), and Unlimited at $40. Yearly billing reduces these to $6, $10, and $20 per month respectively (billed $72, $120, and $240 annually).
- Free tier: New accounts start with 2,000 words and access to all rewrite styles; free users may encounter a processing queue with estimated wait times.
- Daily AI detections: Basic includes 30 per day, Pro 100 per day, and Unlimited uncapped.
- File support: Uploads are accepted in .txt, .md, .pdf, and .docx formats, up to 10MB.
- Languages: The interface is available in more than 20 languages, including English, Chinese, Spanish, French, German, Japanese, Korean, Russian, Portuguese, Hindi, and Arabic.
Who It's For
AI Humanize is aimed primarily at students and academic writers who need drafts that read naturally and want to check their text against common AI detectors, supported by citation-locking for quoted sources. Bloggers and content marketers can use it to smooth AI-assisted drafts and lock SEO keywords in place. Freelance writers and professionals preparing formal or informal documents can pick a matching rewrite style, and developers can integrate the humanizer through the API. It suits anyone who drafts with AI assistance but wants the final text to carry a human tone.
FAQ
What is AI Humanize?AI Humanize is an online AI humanizer that rewrites AI-generated text into human-like writing and reports an AI detection score for the result.
Does AI Humanize have a free plan?Yes, new accounts receive 2,000 free words and access to all rewrite styles, though free users may wait in a processing queue and face daily word limits.
How much does AI Humanize cost?Monthly subscriptions are $15 (Basic), $25 (Pro), and $40 (Unlimited); yearly billing lowers the effective rate to $6, $10, and $20 per month.
Which AI detectors does it support?The site lists Turnitin, GPTZero, Copyleaks, ZeroGPT, QuillBot, Writer, Sapling, and Originality.ai, and its paid private model is described as updated for GPTZero and Turnitin.
Are there limitations users should know about?Yes: Basic mode performs a single rewrite per request with the site citing about 70% detection bypass, rewriting is capped by plan word limits, and the site itself notes that the algorithm can be inconsistent, so multiple attempts may be needed.
Related Tutorials
View all →
Related Tools
View all →
ZeroGPT ZeroGPT is a free AI content detector that checks text for ChatGPT, GPT-4, Gemini, Claude and other LLM output, alongside writing tools like a humanizer, paraphraser and plagiarism checker. 
StealthWriter StealthWriter is an AI humanizer and AI detector that rewrites AI-generated drafts into natural, human-sounding text, aimed at writers, marketers, and researchers. 
UltraHumanizer UltraHumanizer is a free AI humanizer that rewrites AI-assisted drafts into clearer, more natural writing, with side-by-side comparison, tone controls, and a developer API. Phrasly.AI Phrasly.AI is an AI text humanizing tool that rewrites AI-generated drafts so they read as natural human writing and are less likely to be flagged by AI detectors. 
Undetectable AI Undetectable AI is a freemium platform that combines AI detection, AI text humanizing, and media authenticity checks for students, writers, and professionals.