GPTZero
AI text detection tool specifically designed to identify ChatGPT and large language model-generated content with sentence-level granularity.
Platforms: Web · Last verified September 7, 2026
AI text detection tool specifically designed to identify ChatGPT and large language model-generated content with sentence-level granularity.
Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.
Getting started
Best for: Detecting AI-written intelligence reports, academic fraud, and synthetic narrative content. See the official site linked above for details.