1. Paste Your Detectable AI Text
Send your AI generated content from ChatGPT, Gemini, or any other AI writer.
AI Text that's Truly Humanized.
Rewrite boring and detectable AI writing so it not only bypasses AI detection, but engages the reader naturally.
Start for free - Payment details required
700+API users
350+businesses
1B+words generated
Powered by our advanced models
Choose from our suite of AI models designed for different use cases and performance needs.
Stealth Pro
Most Popular$0.20per 1K words
- Generate & rephrase content
- Quality & fast processing modes
- Multilingual + tone control
Enterprise
Custompricing
- Enterprise-grade reliability
- SLA guarantees
- 24/7 premium support
Input & Output
All in One Simple AI Writing Solution
Forget complex workflows, start writing now.
2. Humanize
Our undetectable AI model will create authentic writing that bypasses AI detection.
3. Publish
With your fully rewritten text you're good to go.
Built for Quality, Speed, and Privacy
StealthGPT's model is proven to be the most powerful AI Humanizer that will keep your generated content undetectable and easy to understand.
Human Tone
Every piece of AI rewritten content uses varied sentence structures and human-quality phrasing that gets the message across.
Preserve Meaning
All the value of the original AI text is kept while bypassing AI detection. Keep the meaning, remove the AI.
Unmatched Quickness
Fully Humanized writing in under 5 seconds. Paste, click, done!
Why developers choose StealthGPT
Built for production from day one.
Undetectable output
Every response includes a detection score (0-100) so you know exactly how likely your content is to be flagged.
Quality & speed modes
Choose between quality mode with built-in checks or fast mode for single-pass generation. Control detail with High, Medium, and Low.
Automatic multilingual
Auto-detects input language and preserves it in the output. No manual configuration needed.
Three endpoints, endless possibilities
Generate, rephrase, and publish - all through a single REST API.
Writer & Humanizer
Generate original content or rephrase existing text to bypass AI detection. Set tone to Standard, HighSchool, College, or PhD.
/api/stealthify
Blog Writer
Generate complete, SEO-optimized blog articles in markdown with embedded images. Undetectable and publish-ready.
/api/stealthify/articles
Usage & Balance
Track remaining word credits and monitor consumption in real time. Every response returns words spent and remaining balance.
/api/stealthify/balanceBuilt for every content workflow
From single API calls to full publishing pipelines, StealthGPT fits right in.
SEO Blog Pipelines
Auto-generate full markdown blog posts with images, optimized for search engines and completely undetectable
Content Rephrasing
Feed in existing drafts and get back humanized versions that pass every AI detector - with a detection score to prove it
Academic Tone Control
Set output tone to HighSchool, College, or PhD level for educational content that matches your audience
Multilingual Content
Auto-detects input language and generates natively - no manual language flags or config needed
High-Volume Generation
Fast mode for rapid single-pass content, quality mode for multi-check outputs. Scale from free starter usage
Custom Integrations
Simple REST API with api-token auth. Works with any language or framework - Python, Node, Go, and more
No code? Use it inside your stack
Connect StealthGPT to Claude, Cursor, n8n and more over MCP — the same humanizer, zero code.
Copy your MCP server URL
https://www.stealthgpt.ai/api/mcp/mcp
Claude.aiLive
Claude CodeLive
CursorLive
ManusLive
n8nLive
WordPressLive
ZapierLive
CodexComing SoonStart generating in minutes
1 Get your API key
Activate API access in the dashboard and grab your API key today api-token.
2 Make your first call
Send a POST to /api/stealthify with your prompt, tone, and mode. That's it.
3 Ship with confidence
Every response includes a detection score and words spent. Monitor your balance and scale as you grow.
Simple, pay-as-you-go pricing
No subscriptions. No contracts. Just buy words and build.
Developer
Start for free, pay as you go
$0.20per 1K words
- Access to Pro & Business models
- Writer, Humanizer & Blog Writer endpoints
- Words never expire - use at your own pace
- Support via Zendesk & Discord
Enterprise
Volume discounts available
Custom
- Dedicated account manager
- Priority email & phone support
- Custom SLA agreements
- Bulk word pricing
- White-glove onboarding
- Tailored to your workflow
All plans include access to our full suite of endpoints and features - No setup fees - No subscriptions
Frequently Asked Questions
Still have more questions?
Learn more in our support page.
Stealth API integrates directly into your content workflow through simple REST calls. Send your AI-generated content to our endpoint, and our humanization engine transforms it with natural language patterns and authentic phrasing instantly. No complex configuration required-just integrate once and automate your entire content humanization process at scale.
Yes. Our humanization technology preserves your content's core message, keyword optimization, and SEO structure while rewriting AI patterns into natural human language. Your articles maintain their informational value, search intent alignment, and conversion focus-they just become completely undetectable to AI detectors.
Stealth API works with all AI content generators including ChatGPT, GPT-4, Claude, Jasper, Copy.ai, and any custom language models. Send content from any source and receive humanized output that bypasses detection regardless of which AI originally created it.
Every enterprise client receives dedicated account management and unlimited revision support. If humanized content doesn't meet your quality standards or bypass detection requirements, we'll adjust parameters, refine customization, or reprocess content until it matches your exact specifications. Your success is guaranteed.
Stealth API supports humanization in over 1,000 languages including English, Spanish, French, German, Mandarin, Japanese, Arabic, Portuguese, and all major global languages. Scale international SEO campaigns with undetectable content localized for any market worldwide.
Most technical teams complete integration in under one business day with our comprehensive documentation and code examples. Enterprise clients receive dedicated integration support, custom implementation assistance, and priority onboarding to ensure seamless deployment into existing content pipelines.
Stealth API improves SEO performance by removing AI detection penalties while preserving keyword optimization, meta structure, and search intent alignment. Clients typically see ranking improvements after humanization because Google rewards quality content over detectable AI patterns.
Yes. Stealth API handles bulk processing with parallel requests for maximum throughput. Humanize hundreds or thousands of articles simultaneously for high-volume publishing needs. Perfect for content agencies, large marketing teams, and businesses managing multiple blog sites.
Stealth API processes articles from 100 to 10,000+ words with consistent quality. Whether you're humanizing short product descriptions or comprehensive long-form guides, output maintains natural flow and undetectability throughout the entire document.
Schedule a free strategy consultation where we'll analyze your current content workflow, identify SEO risks from AI detection, and design a custom implementation plan. During onboarding, you'll receive API credentials, technical documentation, and dedicated support for successful deployment.
More tools. Better results.
Pick the plan that fits your workload.