Best ai content detection tools in 2025

GPTZero.cc

Verify if text is written by humans or generated by machines.

ZeroGPT Plus

Detects AI-generated content for originality verification.

AI detect

Accurate detection of AI-generated text for authenticity verification.

Pythex

A web-based platform for testing and refining regular expressions.

Plagium AI Detector

Detects text similarities to ensure originality and integrity.

T0pp by BigScience

Versatile AI for understanding and generating text.

Free + from $9/m
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Sapling AI Content Detector

Detects AI-generated text for authenticity verification.