Plagly.ai

Plagly.ai is a free AI content detection and plagiarism checking platform trusted by 50,000+ educators and writers. Detect text generated by ChatGPT, GPT-5.4, Claude Opus 4.6, Gemini 3.1, Grok 3, and Llama 4 with sentence-level precision. Includes plagiarism scanning against billions of sources, AI text humanization, document chat, and our unique Agentic Council where 7 AI experts independently review your documents. Free plan available, Pro from $6.99/month.