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Detect AI-generated content from ChatGPT, GPT-5, Claude, Gemini with 98.5% accuracy. Free and instant results.
Three simple steps to detect AI-generated content
Paste your content or upload a document
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The most advanced AI detection technology trusted by 200,000+ users worldwide
ZeroGPT is using advanced NLP algorithms for the identification of AI and ChatGPT content to differentiate between AI-generated and human-written content.
With the growing infiltration of AI-generated content, originality of content is at risk. ZeroGPT can help educators, recruiters, and students in identifying plagiarism and preventing it to preserve the value of their institutions.
For online businesses, whether a corporate agencies or news/blogs maintaining a trustworthy brand image is important. ZeroGPT will highlight the sentences or words from your content identified as AI-generated and providing you with a detailed analysis.
As you know whole concept of SEO revolves around the originality and the creativity within the content. ZeroGPT easily pinpoints what content identified as AI so that you can edit or humanize it to make undetectable AI.

Our AI Content Detector uses an advanced neural learning method to deliver accurate, reliable predictions about whether text is AI-generated.
Through ongoing model training and refinement, our detector achieves exceptionally high accuracy in identifying content created with AI tools like ChatGPT, GPT-5, Google Gemini, Claude, and other generative systems.
98.5% Accuracy
Industry-leading precision
Instant Results
Real-time analysis
Advanced AI
Neural networks
Trusted
200K+ users worldwide
AI Content Detector is an AI-powered platform that offers advanced tools for content analysis and detection. It specializes in providing accurate assessments of text content to determine its originality and authenticity.
AI Content Detector/AI Checker has been built and trained on an large and diverse set of data of AI generated and human written contents, such as blog posts, essays, discussion forum threads, etc. ZeroGPT well trained on identify patterns and character used by AI generative tools, like the sentence structure and word choice.

What is an AI detector used for?
Accurately identifies text likely produced by AI tools such as ChatGPT, GPT-5, DeepSeek, Gemini, Claude, and other similar models.
Also known as a ChatGPT detector, it can analyze many content types — documents, articles, social media posts, and website copy — making it useful across many workflows.
Businesses and individuals can detect and flag AI-generated content to help prevent the spread of misinformation.
ZeroGPT maintains industry-leading accuracy rates, making it one of the most trusted and reliable AI detection tools available.
Educational institutions and students can use the detector to verify projects, assessment submissions, and research papers before they risk being flagged as AI-generated.
Moderators can check whether website comments, forum threads, and influencer posts were created by AI or automated tools before approving them.
Type or Copy-paste text, or upload documents and get started.
Everything you need to know about ZeroGPT
An AI detection tool — often searched as 'Zero GPT' or 'ChatGPT Zero' — analyzes text to determine whether it was generated by an AI like ChatGPT, DeepSeek, or Gemini, or written by a human. ZeroGPT examines how the text is organized, its sentence structures, and its writing patterns to make this determination, helping protect content authenticity.
Using ZeroGPT is simple: paste your text into the box on the page and click the 'Detect Origin' button. Within seconds, you'll see whether the text was written by a human or generated by an AI model, with a sentence-by-sentence breakdown.
ZeroGPT can accurately detect content from all major AI language models including ChatGPT (GPT-3.5 and GPT-5), Claude (all versions), Google Gemini, DeepSeek, Llama, Mistral, Bard, and other AI writing tools. Our detection technology is continuously updated to recognize new AI models as they are released.
Our AI detector uses NLP techniques and multiple signals to detect AI-generated or ChatGPT text. It analyzes sentence structure, word choice, and coherence to identify AI patterns. ZeroGPT's detector learned to differentiate between AI and human content by training on large, diverse datasets of both.
No AI detector is 100% accurate — machine learning predictions are probabilistic by nature. Accuracy improves with continuous development and training on how words, patterns, tone, and meaning are used. ZeroGPT combines NLP techniques with additional signals and continuous retraining, which is why it delivers among the most reliable results available; we still recommend combining automated detection with human judgment.
Absolutely! We take your privacy seriously. ZeroGPT never stores your submitted text or uses it for training purposes. Your content is analyzed in real-time and immediately discarded after detection. We are GDPR compliant and use enterprise-grade encryption to protect all data transmission.
ZeroGPT is known for accurately recognizing whether content was generated by AI models like ChatGPT, DeepSeek, Claude, and Gemini or written by a human. While no AI detection is perfect, ZeroGPT continually improves its accuracy by training on large datasets and analyzing word use, patterns, and tone. It's a free, reliable tool for distinguishing AI-generated from human-written content.
ZeroGPT supports direct text input (copy-paste), .txt files, .docx (Microsoft Word), .pdf documents, and .odt files. You can upload documents up to 5,000 characters for free accounts. Premium users can analyze files up to 50,000 characters and benefit from batch file processing.
Yes! ZeroGPT is 100% free to use. You can check up to 5,000 characters per detection without any cost. For higher limits and additional features, premium plans are available.
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