Side by side
| Feature | ZeroGPT | Copyleaks |
|---|---|---|
| What it does | Online AI content detector that flags AI-written text and images, plus paraphrasing, grammar and plagiarism tools for writers, students and educators. | Detects AI-generated and plagiarized text, images, and video, mainly for schools, publishers, and enterprises protecting content and IP. |
| Price from | not listed | 13.99 USD/mo |
| Free plan | yes | trial |
| Platforms | web, api, whatsapp, telegram | web, chrome, api |
| API | yes | yes |
ZeroGPT: key features
- Sentence-level highlighting of AI-written text with an AI percentage gauge
- Downloadable PDF report for each detection
- AI Humanizer for rewriting AI text
- Plagiarism checker across billions of sources
- Paraphraser, summarizer, grammar checker and translator
- AI image and video detection
Copyleaks: key features
- AI text detection covering ChatGPT, Gemini, DeepSeek and Claude
- Plagiarism checker with search across websites, journals, and internal documents
- AI image and AI video detection
- Browser extension for Chrome, Edge, and Firefox
- Google Docs add-on and LMS integration
- API integration for enterprise workflows
FAQ
Is ZeroGPT or Copyleaks better?
It depends on the job - compare prices, free plans and features in the table above.
Are ZeroGPT and Copyleaks free?
ZeroGPT: Yes, there is a free plan. Free plan, no credit card needed, with limited access to the tools (the 15,000-character limit shown on the homepage applies to the detector input). Copyleaks: There is a free trial. Free start for students (Start for Free / Start now for free); scan credits are limited on the individual plans.