Best text credibility tools in 2025

GPTZero.cc

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

AI detect

Accurate detection of AI-generated text for authenticity verification.

Turnitin

Reliable plagiarism detection for academic integrity and originality.

GPT-2 Output Detector

A tool to determine if text is human or AI-generated.

Aithenticate

AI content disclosure plugin for website transparency.

Free + from €5.99/m
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Essay-Grader.ai

AI-powered essay grading for quick and detailed feedback.