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GPTHuman

AI humanizer that rewrites ChatGPT, Claude, and Gemini text to read naturally, with a built-in AI detector and API

AI humanizerAI detectorrewritingwritingcontent
4.5 / 5Open Site

GPTHuman is an AI humanizer: you paste text produced by ChatGPT, Claude, Gemini, or another model and it rewrites it to read more like natural human writing. You can pick a tone (such as standard, college, or PhD) and a mode (such as balanced or enhanced), add the output to a built-in AI detector to check it, and re-run the rewrite until you are satisfied. It also offers a human content generator that writes from a prompt, support for 50+ languages, a multi-tone voice option, and a developer API for humanizing at scale. The company markets it as bypassing AI detectors such as GPTZero, Turnitin, Originality.ai, and Copyleaks, and as removing AI watermarks, and it advertises a rewrite-if-flagged guarantee. Treat those claims as marketing: detectors change, results vary, and no tool can promise a particular outcome. Plans are priced by monthly word allowance, with a Free plan that gives 300 words of output as a trial.

Best for
Writers, marketers, and non-native speakers who want to smooth stiff AI-generated drafts into a more natural voice, and who will review and edit the result themselves
Pricing
Free: 300 words of output as a trial, limited AI detector; Starter $8.25/mo billed yearly ($99/year) for 25,000 words a month; Plus $14/mo ($168/year) for 60,000 words; Unlimited $26/mo ($312/year) with unlimited words subject to abuse guardrails and 2,500 words per output

Pros

  • Rewrites AI-generated text with selectable tone and mode, and includes a built-in AI detector to compare before and after
  • Supports 50+ languages and offers a human content generator and a developer API
  • Free plan to test, with yearly pricing from about $8.25 a month for 25,000 words
  • Paid plans raise the per-output limit from 300 words on Free to as much as 2,500 words on Unlimited

Cons

  • Its main selling point is getting past AI detectors, which can break school, publisher, or platform rules when AI use must be disclosed
  • Claims such as guaranteed undetectability are marketing and cannot be verified, and detectors change often
  • The free plan allows only 300 words per output, and per-output limits on paid plans may require splitting long documents
  • Rewriting can change meaning or introduce errors, so you still need to proofread and fact-check the result

Core features

  • • Humanizes text from ChatGPT, Claude, Gemini, and other LLMs
  • • Tone options such as standard, college, and PhD
  • • Balanced and enhanced modes
  • • Built-in AI detector
  • • Human content generator from a prompt
  • • 50+ languages
  • • Developer API for humanizing at scale
  • • Shield Guard protection layer on paid plans

Use cases

  1. 1. Smoothing a stiff AI-written draft into a more natural voice
  2. 2. Checking a draft against an AI detector before publishing
  3. 3. Rewriting marketing copy in a different tone or language
  4. 4. Reducing false positives on your own writing from AI detectors
  5. 5. Humanizing text at scale through the API

How to use

Paste your text or enter a prompt, choose a tone and mode, run the humanizer, check the output with the built-in AI detector, and re-run if needed. Review and edit the result and follow any disclosure rules that apply to your work.

Pricing plans

Free

$0

  • • 300 words of output (trial)
  • • Limited AI detector
  • • 50+ languages

Starter

$8.25/mo billed yearly ($99/year)

  • • 25,000 words a month
  • • 1,000 words per output
  • • AI detector

Plus

$14/mo billed yearly ($168/year)

  • • 60,000 words a month
  • • 1,500 words per output
  • • Shield Guard

Unlimited

$26/mo billed yearly ($312/year)

  • • Unlimited words (abuse guardrails apply)
  • • 2,500 words per output
  • • Shield Guard

FAQ

Is GPTHuman free?

There is a Free plan that gives a trial of 300 words of humanizer output and limited use of the AI detector. Paid plans start at $8.25 a month billed yearly.

How much does GPTHuman cost?

On yearly billing, Starter is $8.25 a month ($99 a year, 25,000 words), Plus is $14 a month ($168 a year, 60,000 words), and Unlimited is $26 a month ($312 a year).

Can it get past AI detectors?

It is marketed as bypassing detectors like GPTZero and Turnitin, but results vary and no tool can guarantee an outcome. Using it where AI use must be disclosed can break the rules.

Is it safe to use for school work?

That depends on your institution's policy. Many schools require you to disclose or avoid AI-generated text, so check before submitting anything.

Does it have an API?

Yes. It offers a developer API for humanizing text at scale.

GPTHuman

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