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Is It AI? Find Out in 5 Seconds

Paste any text and get an AI probability score instantly — verified against 8 detection engines including Turnitin, GPTZero, and Originality.AI.

2M+Texts Scanned
93%Accuracy Rate
40+AI Models Covered
10K+Educators Trust Us

AI Content Detector

Paste any text to instantly check if it was written by AI

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Trusted by 10,000+ educators at Stanford, UC Berkeley, and 500+ institutions

Why accurate AI detection matters

AI-generated content is becoming harder to distinguish from human writing. Educators, publishers, and businesses need reliable detection tools to maintain trust and integrity. Our multi-engine approach delivers 93% accuracy across 40+ AI models.

Trusted by Educators Worldwide

"TheChecker.AI has transformed how we handle academic integrity. I've reviewed over 500 student essays this semester, and the detection consistency is remarkable across different writing styles. It's now an essential part of our grading workflow that every instructor in our department relies on."

Dr. Sarah Johnson

Professor of English, Stanford University

"We use TheChecker.AI to verify all our published content, and it regularly catches AI-generated sections that our editorial team missed during manual review. The model identification feature is especially valuable, telling us exactly which AI was used. It's saved us from publishing unverified AI content multiple times."

Michael Chen

Content Manager, TechCorp

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