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StealthGPT vs WriteHuman
Pricing, features, platforms and who each one suits — side by side.
S
Choose StealthGPT if…
- you're in its core audience: students, content writers and bloggers
W
Choose WriteHuman if…
- you want a free plan to start with
- you work on iOS, Android
- you're in its core audience: marketers and seo writers, freelancers
Side by side
Feature StealthGPT WriteHuman
Pricing modelPaidFreemium
Starting price—$12/mo
Free plan
Free trial
API
Open source
PlatformsWeb, Chrome, APIWeb, Chrome, iOS, Android, API
Company—WriteHuman
Full feature lists
S StealthGPT
- AI humanizer with Lite and Super rewrite modes
- Free AI detector with instant 0-100 score
- Removes Claude, ChatGPT and Gemini SynthID text watermarks
- Stealth Writer for essays with in-text citations
- Stealth Agent for research, drafting and fact-checking
- Chrome extension with human-like auto-typing
- API, MCP server, Zapier, n8n and WordPress integrations
- Enterprise humanization of up to 20,000 words per run
W WriteHuman
- Rewrites AI text into natural-sounding prose
- AI probability shown for each sentence
- AI image detector
- Multiple output variations per request
- Supports 40+ languages
- Chrome extension with grammar and style suggestions
- REST API and MCP server for AI agents
- iOS, iPad and Android apps
What you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
StealthGPT
Paid. Plan details aren't published.
WriteHuman
FreeFree
Basic$20/mo, or $12/mo billed yearly ($144)
Pro$29/mo, or $19/mo billed yearly ($228)
Ultra$59/mo, or $39/mo billed yearly ($468)
Strengths and limitations
StealthGPT
- AI detector works without signup
- Integrations with Zapier, n8n, WordPress and MCP clients
- Pro plans and above can add team members at no extra cost
- Interface in nine languages
- Non-enterprise plans were limited to 3,000 words per humanization
- Some tools, like in-text citations, are limited to higher tiers
- No mobile app listed
WriteHuman
- Free plan includes 3 humanizations and 10 detection checks a month
- Detector, image detector and humanizer included in every plan
- Available on web, Chrome, iOS and Android, with an API
- Cancel anytime with no contracts
- Free plan caps requests at 250 words and uses the basic model
- Basic plan has no MCP access or priority support
- Monthly billing costs much more than annual billing ($20 vs $12 for Basic)
More comparisons
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AI text detector with plagiarism checks and writing replay for educators
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OAI content detection, plagiarism and fact checking for publishers and educators
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O
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AI content detection, plagiarism and fact checking for publishers and educators
AI DetectorsFree planAPI
Facts from each vendor's public pages, prices checked Nov 8, 2026. Editorial policy