Undetectable AI
Best AI Detector
High Accuracy
Free Tier Available
Content Humanizer
Browser Extension
Detect AI-generated content and humanize text to bypass AI detectors.
Last updated: Apr 15, 2026
FREEMIUM
undetectable.ai
Quick Answer
Undetectable AI is an AI content detection and humanization platform that helps users identify AI-generated text, images, audio, and video, and rewrite AI content to sound human. It's best for content creators, students, educators, and businesses needing to ensure content authenticity and bypass AI detectors. A free detector is available, with paid plans starting from $5.00/month.
About Undetectable AI
Undetectable AI offers a suite of tools to detect AI-generated text, images, audio, and video, and to humanize AI content to make it undetectable. It provides an AI detector for various LLMs and a humanizer that rewrites text to sound natural. Free to try; paid plans from $5.00/month.
What Makes It Unique
Undetectable AI uses a multi-model text checker for AI detection, combining results from several major detection tools. Its humanizer is built on an AI model fine-tuned on specific human writers to replicate authentic human authorship.
Use Cases & Target Users
Best For
Verifying content authenticity for bloggers and writers
Ensuring originality in academic submissions for students
Optimizing content for search engines for SEO professionals
Reviewing student work for AI use for educators
Maintaining credibility in publications for researchers
Generating human-like content at scale for businesses
Company Size
SOLO
SMALL
MEDIUM
ENTERPRISE
Fit Score
Complexity
BEGINNER
Target Team Size
INDIVIDUAL
SMALL_TEAM
LARGE_TEAM
Target Skill Level
BEGINNER
INTERMEDIATE
Key Features
AI text detection for multiple LLMs (ChatGPT, Gemini, Claude, Llama, DeepSeek)
AI content humanization to bypass detectors
AI image detection
AI voice detection
AI video detection
Chrome browser extension for on-the-go detection and humanization
Technical Specifications
API Available
SDK Available
MCP Compatible
Open Source
Team Features
SSO/Enterprise
Webhook Support
Has Demo
Deployment:
CLOUD
Pros
- +Rated #1 AI Detector by Forbes with 99%+ accuracy in independent tests
- +Provides collective AI detection results from multiple major checkers
- +Offers a free AI detector tool without signup
- +Includes a powerful AI humanizer to make content undetectable
- +Supports over 50 languages for detection and humanization
- +Available as a convenient Chrome browser extension
Limitations
- -No explicit mention of data export formats for user-generated content
- -Specific details on the proprietary AI models used for humanization are not fully disclosed
- -No explicit integrations with third-party content management or writing platforms
- -No dedicated documentation or knowledge base, only a contact form for help
Uses Models
Llama 3.3DeepSeek V3GPT-4
Decision Intelligence
Best For
Verifying content authenticity for bloggers and writers
Ensuring originality in academic submissions for students
Optimizing content for search engines for SEO professionals
Reviewing student work for AI use for educators
Maintaining credibility in publications for researchers
Generating human-like content at scale for businesses
Not Ideal For
Users seeking a comprehensive AI writing assistant with advanced editing features beyond humanization
Organizations requiring deep integrations with specific content management systems for automated workflows
Users who need to manage social media content directly through the tool
Individuals looking for a tool that explicitly lists its underlying LLMs for transparency
Frequently Asked Questions
Your Actions
Dimension Scores
Ease of Use8/10
Output Quality9/10
Value for Money8/10
Customization5/10
Support4/10
Integration1/10
Task Scores
Blog Writing
7
Article Generation
7
Seo Optimization
7
Tone Adaptation
7
Headline Creation
6
Content Repurposing
5
Template Library
5
Multi Format Output
4
Trust Score
40/100
Limited Data
Based on 5 verified signals
Trust Signals
Verified CompanyUndetectable Inc.
User Base10M-50M
Team Size11-50
Status PageView
Data ResidencyUnited States
Quick Stats
CategoryAI Detection
PlatformsWEB, API, BROWSER_EXTENSION
Integrations0+
Views1
LaunchedJan 2023
Setup Timeseconds to a few minutes
AddedMar 2026
Company & Links