Undetectable AI Writing Tool
How accurate is Undetectable AI's AI Detector?
Our detector uses advanced linguistic, semantic, and pattern-analysis models. Independent studies have shown detection accuracy up to 99%+, with actual results depending on language, text length, and writing style.
What can the AI Detector identify?
It detects AI-written content from ChatGPT and other models (GPT-4/5-style, Claude, Gemini, Llama), as well as paraphrased or rewritten AI content. You can view results across major AI checkers in one click.
How do I use the AI Detector?
Paste your text into the AI Detector to check if it will be flagged as AI-generated, or upload a file. You can also try sample text from popular models (e.g., ChatGPT, Claude, DeepSeek, Human). The tool shows AI-detection results from multiple detectors with one click.
Is the AI Detector free to use?
Yes. The Free AI Detector requires no signup and provides instant results.
Does the AI Detector work on paraphrased or rewritten AI content?
Yes. It’s designed to identify rewritten or obfuscated AI content, including material modified by paraphrasers and other rewriters.
What types of text can be analyzed and what languages are supported?
The AI Detector can analyze essays, blog posts, academic writing, emails, SEO content, research papers, and more. It supports 50+ languages, with English offering the highest accuracy.
Does the AI Detector store or train on my content?
No. Your text is never stored or used to train models. For teams, our Business Solutions include even stricter data-retention controls.
Can I see AI-detection results across multiple detectors at once?
Yes. You can view the AI-detection probability from multiple detectors all in one view.
Do you offer a Chrome Extension?
Yes. The Undetectable AI Chrome Extension lets you identify AI-generated content and humanize your written text wherever you are online.
Do you offer business solutions with data retention controls?
Yes. Our Business Solutions include stricter data-retention controls to suit organizational needs.
Is there a free trial or can I test with sample text?
There is a free option to try the AI Detector, and you can test using sample text from models like ChatGPT, Claude, DeepSeek, and Human on the page.
What other tools are part of the Undetectable AI suite?
In addition to the AI Detector, Undetectable AI offers tools such as the AI Humanizer and the AI Image Detector, plus a range of writing and productivity tools (e.g., Sentence Rewriter, Word Counter, and more) accessible through the site.
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