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Overview Models Agents Tools Audio & voice Production API reference

Speech

Turn audio into text or text into audio.

Create speech
audio.speech.create(**kwargs) -> BinaryResponseContent
POST
/audio/speech
Models
Literal["tts-1", "tts-1-hd", "gpt-4o-mini-tts", "gpt-4o-mini-tts-2025-12-15"]