Explore the integration of OpenAI's ChatGPT and Whisper APIs in this comprehensive Python and Gradio tutorial. Learn to build a voice-based conversational assistant that utilizes speech recognition and natural language processing. Begin with a demonstration of the final product, followed by a high-level overview of the project. Dive into creating a Gradio user interface for microphone recording, implementing the Whisper API for speech-to-text conversion, and leveraging the ChatGPT API for chat completion. Discover how to enable text-to-speech functionality on OSX, and conclude with a creative twist by developing a Jay-Z-inspired rapping therapist. Gain hands-on experience in AI-powered voice interaction and expand your skills in building advanced conversational interfaces.