Yes, there are several reliable tools available that can help you check both plagiarism and AI-generated content, even for advanced academic work like research papers and PhD theses. While free tools often come with limitations such as word count caps or fewer database sources, they can still provide a strong initial check for originality and AI patterns. For deeper accuracy, especially in academic writing, it’s important to choose tools that offer contextual analysis and not just basic text matching.
- Quetext: Offers both plagiarism detection and AI detection with DeepSearch™ technology for contextual accuracy
- Grammarly: Provides plagiarism checking with AI writing insights
- Copyleaks: Supports both plagiarism and AI detection across multiple languages
- DupliChecker: Free option for free plagiarism checks
For academic-level work like a PhD thesis, Quetext is often preferred due to its deeper contextual analysis and combined AI detection capabilities.