DetectGPT

Free AI text checker for ChatGPT, Claude and Gemini writing

FreeArtificial Intelligence+2Listed Oct 11, 2026

About DetectGPT

DetectGPT is a free AI content detector that runs in your browser. Paste up to 3,000 words or enter a public URL to see what percentage of the text looks AI-generated, with suspicious passages highlighted by intensity. Detects ChatGPT, GPT-5, Claude, Grok, Gemini and other LLM output. No sign-up, unlimited checks, shareable result links, plus a plagiarism checker and a humanizer.

What DetectGPT does

AINave analysis

Check a written draft for the share of text that reads as machine-generated and find the passages that sound most like a language model.

Best for: StudentsTeachersWritersSecond-language writers
Use it to: Reviewing an essay before submission
Checking marketing or client copy for generic AI phrasing
Scanning a public web page for AI-style writing
Running a similarity check against public web pages
Finding stiff passages to rewrite

Based on DetectGPT's listing and website.

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