The comparison
You want a Google-sign-in workspace for complete documents on a paid plan, with tone, length, reading level, rewrite strength, exact terms, seven-day paid history, and visible source comparison.
Paste your text and compare the changes.
Checking your account and recovering the draft…
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Your available word allowance and input limit are shown in the editor. Continue to the feature comparison ↓
UltraHumanizer offers an editing-first workflow with paid capacity for complete documents and direct controls. GPTHuman is a broader platform when a built-in detector, content generator, tone-and-mode workflow, or developer API matters; test its trial limits, claims, and privacy terms before purchase.
This page is published by UltraHumanizer. Product descriptions are based on public information; they are not an independent performance benchmark. Explore our API or browser extension.
The 30-second answer
It keeps the workflow focused on readable, natural output while protecting the central meaning of your draft.
Try it free ↗Compare the capabilities that matter to your workflow. Pricing and included features may change, so confirm the current terms before paying.
Compare the features ↓Feature-by-feature
Public product information reviewed through September 16, 2026. We separate vendor claims from independently verified outcomes.
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| Feature |  UltraHumanizer | GPTHuman |
|---|---|---|
| Free starting access | Free plan; paid plans from $8/month | 300 Humanizer words, up to 300 words per output, plus limited AI Detector use |
| Document size | 500 words on Free; 1,000 to 12,000 on paid plans | 300 words free; paid per-output limits are 1,000 Starter, 1,500 Plus, and 2,500 Unlimited |
| Rewrite controls | Tone, output length, reading level, rewrite strength, and exact terms | Tone profiles and processing modes such as Balanced and Enhanced are advertised |
| Revision workflow | Editable result, focused refinements, and visible source-versus-result changes | Paste or prompt, choose tone and mode, generate, then assess with the built-in detector |
| Broader toolkit | Focused humanizer with document upload and source comparison | Humanizer, content generator, paraphraser, AI Detector, Shield Guard, and developer API |
| Detection workflow | Separate AI text, image, and voice detector tools | Built-in AI Detector and detector-focused plan claims |
| Evidence standard | Editorial controls and source comparison are visible in the current tool | Bypass, error-free, originality, uptime, and response-time statements are published by GPTHuman and were not independently reproduced for this comparison |
| Privacy clarity | Text is processed for the requested result; sensitive details should still be removed | Privacy policy says user content is collected and may be used to improve services or train models, with an account opt-out setting |
| Paid pricing | Free plan; paid plans from $8/month | Reviewed monthly list prices were $15 Starter, $25 Plus, and $49 Unlimited; annual billing may differ |
| API | Public REST API with separate prepaid input credits; website plans do not include API credits | A public developer API and documentation are available; production limits and service behavior require testing |
| Language claims | English plus localized site experiences | Pricing lists 50-plus languages while the homepage separately advertises 80 |
| Best fit | Long-form, editing-first work with transparent source review | Short-to-medium paid rewriting or production integration with detector feedback |
Based on public product information available when this comparison was written. Features and prices can change; check current terms before choosing a plan. Vendor performance claims are not independent guarantees.
How we compare
What can a new user do before creating an account or paying?
We compare input limits, controls, revision steps, and setup friction.
Detection, history, API access, and analysis matter for some workflows.
Official pages support feature facts; vendor performance claims are not treated as independent tests.
Decision scenarios
Disclosure: These are illustrative workflow scenarios, not customer testimonials or performance test results.
Needs a paid long-form workspace, exact-term protection, and visible source-versus-result changes.
Needs an API and will benchmark latency, retention, retries, cost, and factual preservation before launch.
Needs the strictest acceptable data terms and treats detector scores as uncertain rather than proof.
FAQs
UltraHumanizer offers paid long-document editing with direct controls, seven-day history, and visible change review. GPTHuman may suit users who need its built-in detector, content generator, modes, or developer API.
GPTHuman offers a free trial. Its official pricing page currently lists 300 Humanizer words, a 300-word per-output limit, and limited use of the AI Detector.
The reviewed monthly prices are $15 for Starter, $25 for Plus, and $49 for Unlimited. Annual billing shows lower effective monthly rates but requires an annual commitment. Confirm the live checkout.
Yes. GPTHuman publishes developer API documentation. Before production use, test current authentication, quotas, request limits, latency, retries, error handling, retention, support, and total cost.
No independent comparison should treat any detector result as guaranteed. GPTHuman publishes guarantee language, but detector models change, disagree, and can misclassify both human and AI-assisted writing.
Your own draft is the most useful test
