That's exactly right! Due to its versatility, the M5CoreS3 is an excellent choice for building an OpenAI-powered voice assistant. With its Wi-Fi capabilities, microphone, touch screen, and OpenAI's GPT models, you can create an interactive assistant that recognizes and synthesizes speech. With the integration of APIs such as Google Speech for voice input and OpenAI's GPT for text-based commands, voice interaction can be made seamless and efficient.