GPTZero

About GPTZero

GPTZero is the leading AI detector for checking whether a document was written by a large language model such as ChatGPT. It detects AI on sentence, paragraph, and document level. The model was trained on a large, diverse corpus of human-written and AI-generated text, with a focus on English prose. It has served over 2.5 million users around the world and works with over 100 organizations in various fields.

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  Integrates the latest research in detecting AI text and hallucinations

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  Detects multiple AI models like ChatGPT, GPT4, Google-Gemini, LLaMa

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  Includes a free grammar check with every scan

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  Premium features: find new sources, advanced insights, scan AI vocabulary, improve writing, find plagiarism

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  Precise and reliable AI detection results

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  Classify AI text from major AI models

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  Get advanced accuracy

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  Verify real writing with video replay and human writing verification

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  Easily integrate with learning management systems

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  Improve with AI Tutor

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  Detect plagiarism

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  Enterprise-certified AI detection

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  Built-in AI detection for classrooms and workspaces

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  Multiple subscription plans with different word limits and features

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  Education: Help teachers check students' work, promote healthy use of AI in education

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  Certification, hiring and recruitment: Ensure the authenticity of written materials

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  Social writing platforms: Detect AI-generated content

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  Disinformation detection

Pricing Guide & Plans 2025