OpenAI adds prompt-generated voices to GPT-Live
OpenAI now lets all API customers create reusable GPT-Live voices from text descriptions through the API or voice Playground. Voice creation is free; speech generation uses regular GPT-Live session billing, and nine voices in German, French, Hindi, Japanese, and Korean were added.
- Knowledge cutoff
- Jul 2025
Source: OpenAI API changelog, checked Oct 16, 2026. Summarized from the provider’s announcement.