StealthWriter
Ninja and Ghost model AI text humanization tool
pricingfree tierapichecked 23 Aug 2026
What StealthWriter is
StealthWriter offers dual neural rewriting engines (Ninja and Ghost models) to transform AI text into undetectable, human-sounding content. Users can click on individual sentences to choose from multiple alternative humanized phrasing options in real time, customize keywords that should remain untouched, and verify output against built-in AI detection checkers.
Pricing
| Plan | Price | Annual | What you get |
|---|---|---|---|
| Free | Free | — | 300 words per process, basic humanizer model (Ninja model), standard speed |
| Basic | $20/mo | $16/mo | 400 words per process, 20,000 words/mo, advanced Ghost model (undetectable) |
| Standard | $35/mo | $28/mo | 1,000 words per process, 50,000 words/mo, Ghost model, built-in AI detector |
| Premium | $50/mo | $40/mo | 2,000 words per process, 100,000 words/mo, unlimited batch transformations |
Save 20% with annual subscription plans.
Free access: Free tier available for up to 300 words per transformation
read from the vendor pricing page · 23 Aug 2026 · how we verify
Best for
- Content creators ensuring drafted articles read naturally and authentically
- SEO agencies editing AI drafts before publishing on client websites
Not for
- B2B cold outbound email server configuration
Integrations
StealthWriter alternatives
All 6 alternatives to StealthWriter, compared Get the Toolvern badge for StealthWriter
Phrasly Flat-rate AI humanizer with no word cap 
QuillBot AI paraphrasing, grammar checking, summarizer, and citation generator 
Copy.ai GTM workflow platform, priced for enterprise 
Jasper AI copilot for enterprise marketing teams 
Humbot AI text humanizer bypassing major AI detection algorithms 
Undetectable AI AI detector and text humanizer for natural tone and readability Head to head: StealthWriter vs Phrasly StealthWriter vs QuillBot StealthWriter vs Copy.ai StealthWriter vs Jasper StealthWriter vs Humbot StealthWriter vs Undetectable AI
Compiled by Stepan Noianov from the vendor's own site and pricing page. Something wrong? Report an inaccuracy.