OpenAI chose five voices for its conversational AI, ChatGPT, from a pool of over 400 submissions. Industry experts helped select the final voices, but details about the selection process are not provided. The company's website does not mention specific criteria or features that were considered when choosing the voices. --- Why it matters: The voice selection matters to researchers in natural language processing because it can influence how users interact with and perceive AI systems like ChatGPT. Source: https://openai.com/index/how-the-voices-for-chatgpt-were-chosen