Pricing
- 10 humanizations/day
- 10 AI scans/day
- 1,000 words per input
- 50 humanizations/day
- 50 AI scans/day
- 5,000 words per input
- 150 humanizations/day
- 150 AI scans/day
- 5,000 words per input
- 350 humanizations/day
- 350 AI scans/day
- 5,000 words per input
- 2,000 humanizations/day
- 5,000 words per input
Pricing from the official site, verified Jun 2026. Always confirm current prices on the vendor site.
Pros & cons
Our analysisPros
- Converts AI text to human-sounding prose
- Free plan with no credit card required
- Desktop-accessible
Cons
- API only on waitlist
- Paid plans start at $20/month
- Narrowly scoped to AI-text humanization
- No listed integrations
What users say
StealthWriter is commonly used by content teams and individuals who want to reduce the detectable AI patterns in generated text. A frequently noted strength is the no-credit-card free tier, which lowers the barrier to testing. A common limitation is that the tool is narrowly focused on one task — humanizing AI output — and lacks integrations or API access for workflow automation.
Editorial summary based on public information.
Best for
Writers needing to make AI-generated drafts sound more natural
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AI Detector
Thundr| Feature | StealthWriter | |
|---|---|---|
| Pricing | Free | Freemium |
| Price from | $20/mo | — |
| Free tier | Yes | Yes |
| API | Waitlist | No |
| Open source | Yes | No |
| Platforms | Desktop | API |
| Models | Stealthwriter | Deepseek |
| Context window | 8k | 128k |
| Launched | 2024 | 2023 |
Top alternatives to StealthWriter
See all alternatives →DeepSeek
Open-weight LLMs including a 671B MoE model that matches GPT-4o at far lower API cost
Udio
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Textfix AI
Humanize AI writing to sound natural
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Summarize long-form text and extract key information
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Verified Jun 2026
Specs
| Pricing | Free |
|---|---|
| Price from | $20/mo |
| Free tier | Yes |
| API | Waitlist |
| Open source | Yes |
| Platforms | Desktop |
| Models | Stealthwriter |
| Context window | 8k |
| Launched | 2024 |