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.

Key Features

• Integrates the latest research in detecting AI text and hallucinations
• Detects multiple AI models like ChatGPT, GPT4, Google-Gemini, LLaMa
• Includes a free grammar check with every scan
• Premium features: find new sources, advanced insights, scan AI vocabulary, improve writing, find plagiarism
• Precise and reliable AI detection results
• Classify AI text from major AI models
• Get advanced accuracy
• Verify real writing with video replay and human writing verification
• Easily integrate with learning management systems
• Improve with AI Tutor
• Detect plagiarism
• Enterprise-certified AI detection
• Built-in AI detection for classrooms and workspaces
• Multiple subscription plans with different word limits and features

Use Cases

• Education: Help teachers check students' work, promote healthy use of AI in education
• Certification, hiring and recruitment: Ensure the authenticity of written materials
• Social writing platforms: Detect AI-generated content
• Disinformation detection

Pricing Guide & Plans 2025