GPTZero

What GPTZero does

GPTZero is an AI detector that identifies AI-generated content from various large language models like ChatGPT, GPT-5, Gemini, Llama, and Claude. It also checks writing quality and offers tools to improve writing habits. The technology uses a multi-step deep learning approach with 7 components to process text and determine its origin, aiming for maximum accuracy and minimal false positives. GPTZero provides features like advanced accuracy scans, human writing verification, plagiarism detection, and an AI Tutor for writing feedback. It offers integrations with learning management systems like Canvas and Google Classroom, as well as a robust API for developers and enterprise solutions. The company emphasizes its leading research in AI content detection modeling, de-biasing detection for educational use cases, and providing confidence scores and mixed classification results. GPTZero is SOC 2 compliant and serves a wide range of users from educators and students to cybersecurity professionals and enterprises.

Products

• AI DetectorDetects AI content from major AI models like ChatGPT, GPT-5, Gemini, Llama, and Claude, and checks writing quality.
• Advanced ScanProvides unparalleled, advanced accuracy in AI detection with line-by-line sentence analysis for AI and video playback of writing.
• Writing ReportVerifies real writing and visualizes the writing process.
• AI TutorBuilds responsible writing habits with custom AI-powered writing feedback tools and rubric-based feedback.
• Plagiarism CheckerEnsures originality and checks if content was copied from outside sources without attribution.
• APIA powerful API Integration that seamlessly integrates AI detection into any platform, available in 17 different languages.
• Chrome ExtensionAn extension for easy access to AI detection.
• Microsoft Word Add-InAn add-in for Microsoft Word to use AI detection.
• On-prem solutionA solution for clients who highly value data governance, allowing them to run the software on their own infrastructure.

Key capabilities

• 99% accuracy in AI detection
• Detects content from Claude, ChatGPT, GPT-5, Gemini, Llama, and more
• Advanced Scan with best-in-class accuracy
• Video replay and human writing verification
• Integrates with Canvas and Google Classroom
• AI-powered writing feedback tools
• Plagiarism detection
• 7-component AI detection model
• Multi-step approach for predictions
• Deep learning technology
• Sentence-by-sentence classification model
• Paraphraser Shield against bypass methods
• Easy-to-interpret results dashboard
• Detects AI vocabulary
• Citeable sources
• De-biasing detection for education (reduced ESL bias)
• Confidence scores (uncertain, moderately confident, highly confident)
• Mixed classification for human and AI content
• Accepts copy and pasted text, docx, pdf, and image files
• Analyzes up to 50 files at a time
• Public REST API with average response time of 0.4s for 700 words
• SOC 2 compliant
• One-click installation for Google Classroom
• Customized feedback with AI writing tutor
• Administrative dashboards for institutions

Use cases

• Detecting AI-generated content in academic submissions
• Verifying authenticity of writing
• Improving writing habits through AI-powered feedback
• Ensuring originality and checking for plagiarism
• Integrating AI detection into learning management systems
• Mitigating AI risk in cybersecurity (e.g., phishing emails)
• Determining provenance of documents or emails
• Automating AI detection workflows with Zapier
• Powering AI detection analytics for colleges
• Ensuring integrity in scholarship applications
• Vetting new sources for journalists
• Supporting trusted peer-to-peer learning communities
• Powering teacher's apps
• Powering education platforms
• Ensuring integrity in applications (e.g., Coding it Forward)
• Building next-generation LMS

AI approach

GPTZero uses deep learning models with 7 components to process text and determine if it was AI-written. It employs a multi-step approach to maximize accuracy and minimize false positives, specializing in detecting content from ChatGPT, GPT 4, Gemini, Claude, and Llama models. The technology includes a sentence classifier, a paraphraser shield, and focuses on de-biasing for educational use cases, particularly for ESL writers. They also provide confidence scores and mixed classification for human and AI content.

Tech named: deep learning, sentence classifier, paraphraser shield, HMM (Hidden Markov Models), trinary classification, model parameter tagging, text preclassification, representative dataset insertions

Industries served

• Education
• Cybersecurity
• Journalism
• Publishing
• Hiring
• SEO
• Edtech
• Legal

What it says sets it apart

• Most precise, reliable AI detection results on the market
• Independent benchmarking shows best-in-class accuracy
• Leading research in AI content detection modeling
• Multi-step approach for maximum accuracy and least false positives
• Specializes in detecting content from ChatGPT, GPT 4, Gemini, Claude and Llama models
• First and leading AI detector
• Pioneers in AI detection
• Deep learning to keep pace with AI advancements
• Paraphraser Shield defends against tools looking to exploit AI detectors
• Leading the way in AI Detection Research (e.g., trinary classification, sentence highlighting model using HMM, novel output mapping mechanism)
• Continuously demonstrates superior AI detection performance against both commercial and open-source alternatives
• De-biasing detection for education, reducing ESL bias to 1.1% false positive rate on TOEFL texts
• First detector to provide confidence categories for classifications
• First detector to include a classification of 'mixed' human and AI content
• Widely recognized as the most accurate AI detector for education
• Lowest false positive rate in the industry (under 1%)
• Reliably detects 'mixed documents' with 96.5% accuracy
• Only detector specifically de-biased for ESL writers
• Battle-tested API, same one that powers web application
• On-prem solution for data governance
• AICPA SOC 2 compliant