Considering an alternative to Grammarly’s AI Humanizer? Here is how RewriteMax and Grammarly’s humanizer compare.
Grammarly offers a free AI Humanizer that “turns AI-generated text from ChatGPT, Claude, Google Gemini, and more into writing that sounds natural”. Grammarly states that the tool “is not intended to bypass AI detectors”.
Writers choosing between Grammarly’s humanizer and a dedicated rewrite tool.
These are editorial workflow comparisons. Check each provider’s current features, availability, pricing, and terms before choosing.
| What matters | RewriteMax | Grammarly AI Humanizer |
|---|---|---|
| Free use | 500 free words with no account; the AI Detector is part of the same trial. | A free on-page tool with basic humanization; a free account adds the Humanizer agent. |
| Paid plans | Basic $9.90/mo (5,000 words), Pro $19.90 (20,000), Unlimited $49.90 (100,000); yearly about 40% less; 3-day Pro trial $3. | Full Humanizer with Grammarly Pro, listed at $12 USD. |
| Rewrite controls | Light, Balanced and Aggressive, six writing styles and six purposes. | Four preset styles and a custom voice from a writing sample. |
| Languages | English, Simplified Chinese, Spanish, French and German. | English, Spanish, French, German, Portuguese and Italian. |
| AI detector | Built in, using ZeroGPT’s detection API. | A separate Grammarly AI Detector. |
| Detector positioning | No guaranteed detector result; we publish our ZeroGPT test (60 of 60 rewrites read as human). | “This tool is not intended to bypass AI detectors.” |
Grammarly AI Humanizer details checked on October 22, 2026 from: Grammarly AI Humanizer, Grammarly plans. Prices and plans change; check the provider before buying.
Grammarly may fit better if you already use Grammarly Pro, want the humanizer inside Grammarly docs, need Portuguese or Italian, or want custom voices from your own writing samples.
Grammarly says the on-page tool is free and offers basic humanization, with the full experience in Grammarly Pro. RewriteMax gives 500 free words without an account.
Grammarly states it “is not intended to bypass AI detectors”. RewriteMax does not promise detector results either, but publishes a ZeroGPT test in which all 60 rewrites came back human-written.
Grammarly lists English, Spanish, French, German, Portuguese and Italian. RewriteMax supports English, Simplified Chinese, Spanish, French and German.
Yes. Many writers use Grammarly for grammar and style, and a dedicated humanizer for rewriting AI-assisted drafts.
Try a focused editing pass and compare the result against your meaning and voice.
