GPT-4 Detector – Check Whether Text Was Written by GPT-4

Check whether a piece of text was written by GPT-4 using probability-based analysis. Free daily checks, no signup required.

Check Text

Free daily checks • No signup • Instant analysis • Up to 8,000 characters

0 / 8,000 characters

Who Uses GPT-4 Detector?

Students

Check whether essays were written by AI

Educators

Review student submissions

Publishers

Assess content authenticity

Marketers

Validate human-written content

How GPT-4 Detector Works

1

Analyzes linguistic patterns, sentence structure, and vocabulary usage specific to GPT-4 generation.

2

Evaluates writing against known GPT-4 output characteristics to identify statistical similarities.

3

Calculates a probability score and provides a plain-language explanation of the findings.

Note: Analysis is real-time and does not store user data.

Frequently Asked Questions

Is GPT-4 Detector free?

Yes. Free daily checks are available with no signup required.

Can it accurately detect GPT-4 writing?

The tool provides probability-based estimates by analyzing linguistic patterns. Results should not be treated as absolute proof.

Is my text stored?

No. All text is processed in real time and never saved.