Teacher's GPT is a versatile multilingual teaching assistant that leverages the capabilities of ChatGPT. This tool is designed to support educators in several languages, making it an innovative tool for instruction, language translation, and content comparison, among others. Its features include the ability to compare two texts, translate texts, and provide useful tools and creative ideas for managing classes, creating quizzes, or designing lesson plans. Additionally, upon initiation, this GPT presents a welcome message inviting users to choose a language and begin learning, indicating its potential as a learning resource in multilingual settings. Users need a ChatGPT Plus subscription to access this GPT, and registration is required. While the versatility of Teacher's GPT may assist teachers in curriculum planning and student engagement, it can also potentially help them manage linguistic diversity in their classrooms. By providing functionalities that cater to a variety of educational needs, this GPT represents a beneficial resource for modern educators in a globalized, digitized teaching-learning environment.