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StealthGPT Review

StealthGPT is an AI-powered platform that humanizes AI-generated text to bypass AI detection, offering undetectable writing and content creation tools.

shipped Aug 15, 2026freemium
Domain rating60Monthly visits19K/mo
StealthGPT — product screenshot

Why it matters

1Offers a freemium model with a Basic plan at $19.99/month and a Pro plan at $39.99/month.
2Features an API (POST /api/stealthify/runs) that supports file uploads up to 4MB and MCP servers.
3Integrates with Zapier, WordPress (via plugin), and offers a Chrome Extension v3.0.
4As of August 2026, a new model reports 98% human average on Turnitin and 95% on GPTZero in internal tests.

About StealthGPT

Business Model
Subscription SaaS
Usage Pricing
$0.01/word per word
Free Credits
500 free credits every month
Headquarters
San Francisco, USA
Founded
2023
Team Size
51-200
Funding
Seed
Total Raised
$5 million
Platforms
Web, iOS, Android, API
Target Audience
Students, Writers, Marketers, Businesses

Pricing Plans

Basic
$19.99/mo
  • • Access to core AI tools
  • • Humanized text outputs
  • • SEO-optimized content
Pro
$39.99/mo
  • • All Basic features
  • • Increased word limits
  • • Team collaboration tools
Enterprise
Contact for pricing / custom
  • • Custom solutions
  • • Onboarding support
  • • Dedicated account manager

Cost Examples

  • • Humanize 200 words: ~$2.00
  • • Humanize 1000 words: ~$10.00

Leadership

Jane SmithCTO

Investors

Angel Investor Group, Tech Ventures

API Docs

Specs

API Docs

View Documentation →

API Available

Yes, public API

overview

What is StealthGPT?

StealthGPT is an AI writing platform developed by StealthGPT that enables students, content creators, marketers, and business professionals to humanize AI-generated content to bypass AI detection. It also functions as an AI content writer and detector, generating various types of content and scanning text for AI origins. The platform employs algorithms to restructure sentences, vary rhythm, adjust vocabulary, and introduce 'burstiness' to break predictable AI patterns, aiming to make AI-generated text appear human-written.

features

Key Features of StealthGPT

StealthGPT provides a suite of tools designed to generate, humanize, and detect AI-generated content, with a focus on bypassing AI detection systems. The platform includes advanced algorithms for text transformation and offers integrations for streamlined workflows.

  • AI Humanizer: Rewrites AI-generated text to mimic human writing styles, aiming to bypass detection by tools like Turnitin, GPTZero, and Originality.ai.
  • AI Detector: Scans text to provide a 'human score,' assessing the likelihood of content being AI-generated.
  • Stealth Writer: Generates original, undetectable AI essays, blog posts, marketing copy, and emails, including in-text citations.
  • Stealth Agent: A guided workflow introduced in August 2026 that researches the web, builds drafts, fact-checks, and humanizes output for SEO articles, academic essays, and social posts.
  • Zapier Integration: Live as of July 1, 2026, allowing connection to over 8,000 applications for content generation and humanization.
  • WordPress Plugin: Released on June 17, 2026, enabling direct content generation and humanization within WordPress.
  • API Access: Supports file uploads (.pdf, .docx, .txt, .md up to 4MB) for humanization and integrates with MCP servers for AI agents.
  • Chrome Extension v3.0: Includes 'Human Typing' to simulate natural keystrokes for text input, aiming to bypass detection.
  • Tone Options: Offers Standard, High School, College, and Ph.D. tones to match various writing styles.
  • AI Watermark Removers: New features for Claude and Gemini content, stripping invisible watermarks through structural rewrites.

use cases

Who Should Use StealthGPT?

StealthGPT is primarily designed for individuals and professionals who generate content using AI and require it to appear human-written to avoid detection or for specific stylistic purposes. Its features cater to academic, marketing, and general content creation needs.

  • Students: For humanizing AI-assisted academic work to pass AI detection systems like Turnitin, and for homework help and study tools.
  • Content Creators & Marketers: To produce AI-generated copy (e.g., blog posts, marketing copy, social media posts) that appears human-written and avoids flagging by detection software.
  • Freelance Writers & Business Professionals: For drafting and refining various content types, including SEO articles and emails, ensuring the output is undetectable as AI-generated.
  • Researchers: Utilizing the Stealth Agent for web research, drafting, and fact-checking, and the 'Chat with PDF' feature for document summarization.

how to use

How to Use StealthGPT

To use StealthGPT, users typically input AI-generated text into the platform's humanizer or utilize its content generation tools. The system then processes the text to modify its structure and style, aiming to make it undetectable by AI detectors.

  • 1Access the StealthGPT platform via web, iOS, Android, or API.
  • 2Input AI-generated text into the 'AI Humanizer' feature.
  • 3Select desired tone options (Standard, High School, College, Ph.D.) if applicable.
  • 4Utilize the 'Stealth Writer' to generate new content, specifying type (essay, blog post, etc.).
  • 5Employ the 'AI Detector' to scan content and assess its 'human score' before submission or publication.
  • 6Integrate with Zapier or WordPress for automated content generation and humanization workflows.

pricing

StealthGPT Pricing & Plans

StealthGPT operates on a freemium model, offering a free tier with 500 monthly credits and paid subscription plans that provide increased word limits and access to advanced features. Usage pricing for additional words is $0.01 per word.

  • Free Tier: Includes 500 free credits every month.
  • Basic Plan: $19.99/month, offering access to core humanization and writing tools.
  • Pro Plan: $39.99/month, providing enhanced features and higher word limits.
  • Enterprise Plan: Contact for pricing, supports up to 20,000 words per humanization and custom solutions.
  • Usage Pricing: $0.01/word for additional words beyond plan limits. For example, humanizing 200 words costs approximately $2.00, and 1000 words costs approximately $10.00.

Pros

  • +Aims to bypass AI detection systems like Turnitin and GPTZero, with internal tests reporting high success rates (98% on Turnitin, 95% on GPTZero as of August 2026).
  • +Offers a comprehensive suite of tools including an AI humanizer, AI detector, and content generator (Stealth Writer).
  • +Provides integrations with Zapier and WordPress, and an API for broader application connectivity.
  • +Includes features like 'Stealth Agent' for guided research and drafting, and 'AI Watermark Removers' for Claude and Gemini content.
  • +Offers a freemium model with 500 free credits monthly, making it accessible for initial testing.
  • +Supports increased word limits for Enterprise plans, up to 20,000 words per humanization.

Cons

  • −User reviews frequently report inconsistent performance against major AI detectors, especially for longer texts (over 1,000-1,500 words).
  • −Output quality can be inconsistent, with reports of awkward sentence structures, grammatical errors, and content sometimes losing original context, requiring manual editing.
  • −Pricing display has been criticized for showing daily rates but billing monthly, which some users find misleading.
  • −Lack of a permanent, robust free tier and inconsistent trial availability have been noted by users.
  • −Some users have reported issues with customer service and billing, indicating potential support challenges.
  • −Independent tests in August 2026 showed StealthGPT's output reading as human-written on only 27.5% of runs in some scenarios, indicating variability in its core function.

Policies

Pricing Page

View Pricing→

Similar Tools

StealthGPT vs Competitors

StealthGPT competes in the AI writing and humanization market against tools like QuillBot, Grammarly, and HIX.ai, primarily differentiating itself through its explicit focus on bypassing AI detection.

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