The Best AI Detector for Machine Learning Engineers | GPTZero GPTZero uses deep learning models that keep pace with AI advancements to deliver precise, reliable results that help you understand and interpret the origin of a piece of text A sentence-by-sentence classifier calculates the probability that a text was created by AI, giving you both document-level and granular insights
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Free Plagiarism Checker - Accurate Plagiarism Detector - GPTZero Detect plagiarism from your text quickly and accurately Our free plagiarism checker scans essays, research papers, or code, highlights matches, and provides easy-to-read plagiarism percentage reports
GPTZero Technology - AI Detection GPTZero's AI Detection Technology As pioneers in AI detection, GPTZero incorporates the latest research in detecting ChatGPT, GPT4, Google-Gemini, Llama, and new AI models, and investigating their sources Learn More
Frequently asked questions - GPTZero What is GPTZero? GPTZero is the most trusted AI detector for checking if content was written by an LLM such as ChatGPT, GPT-5, GPT-4, Gemini, or Copilot GPTZero tells you where AI is used at document, sentence, and word level Our model was trained on a large, diverse corpus of human-written and AI-generated text, with support for English, Spanish, French, German, and other languages To date