What Makes a Code Plagiarism Checker Reliable in the Age of AI? Ensuring the originality of source code is a growing challenge in academic and competitive coding environments, particularly with the rise of AI-generated code. A reliable code plagiarism checker is critical for educators, educational institutions, and coding competition organizers to maintain fairness and integrity. Advanced tools equipped with AI code detector capabilities can identify unoriginal code, whether sourced from peers, public repositories, or AI models like ChatGPT. This blog explores the essential features of a dependable code plagiarism checker, delves into technical mechanisms, addresses limitations, and offers practical strategies to foster ethical coding practices without relying on promotional content.