ChatGPT & OpenAI Detector
Free ChatGPT Detector & AI Text Checker
Scan any document or essay for AI content. Instant accuracy score with forensic sentence-by-sentence highlights.
99%
Accuracy
17M+
Texts checked
<1%
False Positives
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Examples:
Detectors:Pontbot always runs, add others
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Why do teachers, editors and institutions trust Pontbot?
Not a black box and not blind guessing: we put precise, verifiable evidence in your hands.
01
Specialized OpenAI Detection
Calibrated for GPT-4o, GPT-5, and reasoning models like o3.
02
Sentence-by-Sentence Breakdown
See exact probability percentages for every sentence and why it was flagged.
03
0% model training
Your text is never used to train third-party AI models.
Frequently Asked Questions
Everything you need to know about Pontbot's AI detection technology and accuracy.
Yes, Pontbot is continuously updated for GPT-4o, GPT-5, and o3 model outputs.