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OpenAI opens prompt-created GPT-Live voices to all API customers
OpenAI made prompt-to-voice available to all API customers on October 16. A business can create a saved voice from a text description through the API or voice Playground and use it in GPT-Live calls; the release also adds nine named voices across German, French, Hindi, Japanese and Korean. Creating a prompt-generated voice is free, while speech is billed at normal GPT-Live session rates. These voices do not work in the Text to Speech, Realtime or audio Chat Completions APIs. OpenAI limits organizations to 100 prompt-generated voices and requires responsible use, including disclosure of AI speech and no impersonation or children’s voices.
Primary source · OpenAI · October 16, 2026
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