The world's most accurate AI detector — trusted by 10 million educators, publishers, and organizations in 100+ countries to identify AI-generated content with 99% precision.
Comprehensive video guides for GPTZero. Watch step-by-step and master the tool.
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GPTZero is the world's leading AI detection platform, built by Princeton University graduate Edward Tian and co-founder Alex Cui in January 2023. It detects AI-generated content from ChatGPT, GPT-5, GPT-4o, Gemini, Claude, Llama, and Deepseek with 99% accuracy and a 1% false positive rate, confirmed by independent benchmarking at Penn State's AI Research Lab and the RAID dataset. Trusted by 10 million users across 3,500+ colleges, it is the official AI detector partner of the American Federation of Teachers and the G2 number one most trusted AI tool of 2025.
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