Our free AI detection tool effectively recognizes texts generated by ChatGPT, GPT-5, Gemini 2.5, Claude 3.7, DeepSeek V3 and other AI writing tools.
ChatGPT 
Claude
Gemini
GrokOur AI detector is more than just a verification tool, it's a complete solution for all your content analysis needs. Whether you're analyzing academic papers to detect AI plagiarism, verifying the authenticity of marketing content, or reviewing professional reports, our tool provides the technologies and capabilities you need to reach your goals efficiently and reliably.
Detect AI content in student work and research
Check the authenticity of business reports and documents
Analyze marketing content and online posts
Results in seconds, regardless of text size.
State-of-the-art algorithms for 95% reliable detection.
Your texts are never stored or shared.
Analyzes all types of content: essays, articles, reports, etc.
Rewordify is an advanced artificial intelligence detector that identifies content generated by language models like ChatGPT, Claude, Gemini or GPT-4. Our technology analyzes hundreds of linguistic factors including perplexity, stylistic variability and the patterns characteristic of automated writing. With a 95% accuracy rate, we help teachers, recruiters and professionals tell human content apart from AI-generated content.
Rewordify has an accuracy rate of 95% in distinguishing AI-generated text from human-written text. Our false negative rate is below 5% and our false positive rate below 10%. We can also detect mixed documents (combining human and AI writing) with 96.5% accuracy. While no detector is 100% perfect, we maintain the highest standards in the industry.
The analysis is almost instant. For a short text, results appear in under 10 seconds. Even for long or complex documents, the full analysis rarely takes more than 30 seconds. You instantly get the percentage of potentially AI-generated content along with the specific passages detected.
Rewordify effectively detects content generated by all major models: ChatGPT (GPT-5, GPT-4, GPT-4o), Claude (Sonnet, Haiku), Google Gemini, Meta Llama, and many others. Our model is continuously updated to remain effective against the latest AI generations, guaranteeing reliable detection regardless of the tool used.
No, privacy is our top priority. All texts submitted for analysis are automatically deleted as soon as the results are generated. No data is stored on our servers, guaranteeing total security and confidentiality of your sensitive content.
We offer a free version that lets you analyze short texts to discover our service. For professional or educational users, or anyone who needs frequent analyses, we offer premium plans with unlimited analyses, priority support and advanced export features.
Rewordify delivers optimal accuracy in French, English, Spanish, German and Portuguese. We also support many other languages with high efficiency. Our detector is used in more than 100 countries and continues to expand its language coverage.
Yes, using AI detection tools like Rewordify is perfectly legal and even recommended in many professional and educational contexts. These tools help maintain the integrity, authenticity and quality of content in a world where generative AI is everywhere.
Rewordify provides a percentage indicating the likelihood that the text is AI-generated. Results are more reliable on long texts, and we recommend using these analyses as decision support rather than a definitive verdict, especially in sensitive contexts.