We support AI detection in English with 99% accuracy.
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.