OriginalityDetector vs ZeroGPT

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OriginalityDetector compared with ZeroGPT
Detail	OriginalityDetector	ZeroGPT
What it does	Free AI detector for identifying AI-generated text	AI content detector and writing toolkit for identifying AI-generated text and improving writing quality
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Free	Freemium
Pricing	Not given	Free plan available with no credit card required. Personal and Business/EDU plans with monthly or annual billing options. Annual plans offer 40% discount. Enterprise plans available with custom solutions. API available on pay-as-you-go basis.
Key features	Analyze text for AI writing patterns Detect ChatGPT, Claude, and Gemini content No signup required Fast results within seconds Support for multiple AI models Analyze various writing types Check edited AI content Compare detection results	PDF report generation Plagiarism detection across billions of sources
What makes it different	Completely free with no signup required Independent from Originality.ai Instant results Works with multiple AI models	Detects AI from 35+ LLM families including GPT-6, Gemini, and Claude Supports all languages with consistent accuracy User data never used for AI model training
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 no change since last check	80 no change since last check
Trust Flow (Majestic)	3	33
Citation Flow (Majestic)	26	40
Referring domains (Majestic)	28	6289

4 details filled in for both companies.