Building Designer is a GPT that functions as a personalized architectural designer. Its primary function is to leverage its underlying AI capabilities to help users design and visualize their ideal spaces based on their unique preferences and requirements. Not only does it allow a user to articulate their dream home, preferred style, and any must-have features for their space, but it also assists in visualizing how these countless elements can come together to create a final space that matches their vision. Building Designer's strength lies in its ability to comprehend and translate complex design inputs into actionable design concepts, which it achieves through its ChatGPT-based functionalities. This means an ongoing dialogue between the user and the AI, fostering a collaborative design process where ideas are continuously exchanged, refined, and brought to life. Though primarily targeted at individuals looking to design their living spaces, its versatile design capabilities make it an equally effective tool for professionals in the architectural and interior design industry. The Building Designer GPT therefore blends the intricate art of architectural and interior design with cutting-edge AI technology, making expert-level design more accessible and user-centric.