AI Content Detection


Free AI content detection tools used by over a million people


GPTZero: AI Content Detection Tool

GPTZero is a tool designed to detect content generated by artificial intelligence, aiming to identify and analyze whether the input text is created by AI. It distinguishes between human-authored and AI-generated content. Developed by Edward Tian at Princeton University, GPTZero was launched in January 2023 in response to concerns in the industry regarding the originality and plagiarism of AI-generated content. Since its launch, it has gained attention and coverage from major media outlets such as The New York Times, The Washington Post, Forbes, Wired, and others. GPTZero has provided services to over 2.5 million users worldwide and collaborates with organizations in education, recruitment, publishing, law, and other fields.

Key Features of GPTZero:

  1. Supports detection of multiple large models, applicable to content generated by ChatGPT, GPT-4, Bard, LLaMa, and other AI models.
  2. Supports various text formats, allowing direct online input or uploading of files in formats such as .pdf, .doc, .docs, .txt for detection.
  3. Real-time detection through browser extension, offering a Chrome browser plugin to analyze internet content for AI generation.
  4. Batch file scanning, enabling the simultaneous upload of multiple files for AI content detection, saving time on repetitive uploads.

Pricing of GPTZero:

  • Free Basic Version: Supports monthly detection and scanning of 10,000 words, with batch scanning for up to 10 files.
  • Starter Plan: $10 per month, supports monthly detection and scanning of 150,000 words, with batch scanning for up to 10 files.
  • Advanced Plan: $16 per month, supports monthly detection and scanning of 300,000 words, unlimited batch file scanning.

Frequently Asked Questions:

  1. Is GPTZero free?
    • GPTZero provides a free version allowing users to detect and scan 10,000 words per month, supporting batch scanning for 10 files.
  2. What is the detection principle of GPTZero?
    • GPTZero utilizes machine learning and natural language processing algorithms trained on a large text corpus containing both human-written and AI-generated content. It compares and predicts the originality of user-inputted text.
  3. Does GPTZero only support detection of ChatGPT?
    • GPTZero is not limited to ChatGPT; it also supports GPT-4, GPT-3, GPT-2, LLaMA, and AI services based on these models.

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