Undetectable AI

Undetectable AI is an AI text detector that analyzes content to determine if it was generated by AI models such as ChatGPT, Gemini, Claude, and Llama. It provides a probability score from multiple major AI detectors in one click, helping users verify the authenticity of text. The tool also offers a humanizer feature to rewrite AI-generated text to appear more human-like. Independent tests have rated it with over 99% accuracy and zero false positives on human-written content. It is free to use with no signup required and supports multiple languages.

Key Features

• Detects AI content from ChatGPT, GPT-5, Gemini, Claude, and others
• 99%+ accuracy proven by independent studies
• Checks paraphrased and rewritten AI content
• Free to use with instant results
• Multi-language support

Who It's For

Marketers, SEO experts, writers, bloggers, researchers, educators, and students who need to verify content originality and avoid AI detection flags.

Use Cases

• Checking essays, blog posts, academic papers, emails, and SEO content for AI generation
• Ensuring compliance with content authenticity standards
• Pre-screening text before submission to AI-sensitive platforms

Key Benefits

• 99%+ accuracy in detecting AI-generated text
• Detects content from major AI models including ChatGPT and Gemini
• Free to use with no signup required
• Trusted by over 23 million users