updated at: July 2024
The Trusted AI Detector for ChatGPT, GPT-4, & More - GPTZero
More than an AI detector - Preserve What's Human. Since inventing AI detection, GPTZero incorporates the latest research in detecting ChatGPT, GPT4, Google-Gemini, LLaMa, and new AI models, and investigating their sources.
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Additional Information
Frequently Asked Questions
What is GPTZero?
GPTZero is a premier AI detection tool designed to identify whether a document was written by a large language model like ChatGPT. It operates at the sentence, paragraph, and document levels. The model is trained on an extensive and diverse dataset of both human-written and AI-generated text, primarily in English prose. GPTZero has served over 2.5 million users globally and collaborates with more than 100 organizations across sectors such as education, hiring, publishing, and legal.
How do I use GPTZero?
To use GPTZero, you can either paste the text you want to check or upload a file. The tool will provide an overall detection score for your document and highlight sentences where AI usage is detected. Unlike other detectors that only give a numerical score, GPTZero offers an explanation to help interpret the results. For larger texts or batch file analysis, sign up for a free account on our Dashboard. Additionally, you can download our Chrome Extension, Origin, to scan entire web pages with a single click.
When should I use GPTZero?
GPTZero is designed to identify AI-generated text in various contexts, including education, certification, hiring, social writing platforms, and disinformation. It helps initiate conversations about the use of AI in writing, particularly in prose, by flagging potential AI usage. The tool aims to raise awareness and prompt further investigation into the implications of AI-generated text.
Does GPTZero only detect ChatGPT outputs?
No, GPTZero is capable of detecting text generated by a range of AI language models, not just ChatGPT. This includes models like GPT-4, GPT-3, GPT-2, LLaMA, and others based on these models.
Why choose GPTZero over other detection models?
GPTZero is recognized as the most accurate AI detector across various use cases. Independent sources, including TechCrunch, have verified its reliability and performance compared to other detectors. Unlike some competitors that rely on free, open-source models without additional training, GPTZero continually improves its own technology. It is specifically fine-tuned for student writing and academic prose, resulting in higher accuracy for these use cases. Users, especially educators, trust GPTZero for its singular mission: to equip everyone with the tools to detect and safely use AI technologies. This dedicated focus distinguishes GPTZero from other providers who offer detectors as secondary products.
GPTZero AI's Pricing Plans
GPTZero AI may change prices at any time. Here's our latest information:
Save with yearly plan
BASIC
With this plan, you can access the GPTZero dashboard and the Origin chrome extension. Scan up to 10,000 words per month and 7 scans an hour.
Free
- Up to 10,000 words per month
- Premium AI detection models
- Batch file scanning 10 files
- Access to Origin Chrome Extension
ESSENTIAL
The essential GPTZero package for reviewing and ensuring quality writing.
$15
per month
- Up to 150,000 words per month
- Everything in GPTZero Free
- Plagiarism scanning
- Advanced Grammar and Writing feedback
PREMIUM
Our most popular plan, including core features and advanced GPTZero AI models
$24
per month
- Up to 300,000 words per month
- Everything in GPTZero Essential
- Advanced AI Deep Scan
- Multilingual AI detection
- Download AI reports







