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Audio

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Literal["whisper-1", "gpt-transcribe", "gpt-4o-transcribe", 3 more]
Literal["json", "text", "srt", 3 more]

The format of the output, in one of these options: json, text, srt, verbose_json, vtt, or diarized_json. For gpt-4o-transcribe and gpt-4o-mini-transcribe, the only supported format is json. For gpt-4o-transcribe-diarize, the supported formats are json, text, and diarized_json, with diarized_json required to receive speaker annotations.

AudioSpeech

Turn audio into text or text into audio.

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

AudioTranscriptions

Turn audio into text or text into audio.

Create transcription
audio.transcriptions.create(TranscriptionCreateParams**kwargs) -> TranscriptionCreateResponse
POST/audio/transcriptions
ModelsExpand Collapse
class Transcription: …

Represents a transcription response returned by model, based on the provided input.

TranscriptionCreateResponse

Represents a transcription response returned by model, based on the provided input.

class TranscriptionDiarized: …

Represents a diarized transcription response returned by the model, including the combined transcript and speaker-segment annotations.

class TranscriptionDiarizedSegment: …

A segment of diarized transcript text with speaker metadata.

Literal["logprobs"]
class TranscriptionLanguage: …

A language detected in transcribed audio.

class TranscriptionSegment: …
TranscriptionStreamEvent

Emitted when a diarized transcription returns a completed segment with speaker information. Only emitted when you create a transcription with stream set to true and response_format set to diarized_json.

class TranscriptionTextDeltaEvent: …

Emitted when there is an additional text delta. This is also the first event emitted when the transcription starts. Only emitted when you create a transcription with the Stream parameter set to true.

class TranscriptionTextDoneEvent: …

Emitted when the transcription is complete. Contains the complete transcription text. Only emitted when you create a transcription with the Stream parameter set to true.

class TranscriptionTextSegmentEvent: …

Emitted when a diarized transcription returns a completed segment with speaker information. Only emitted when you create a transcription with stream set to true and response_format set to diarized_json.

class TranscriptionVerbose: …

Represents a verbose json transcription response returned by model, based on the provided input.

class TranscriptionWord: …

AudioTranslations

Turn audio into text or text into audio.

Create translation
audio.translations.create(TranslationCreateParams**kwargs) -> TranslationCreateResponse
POST/audio/translations
ModelsExpand Collapse
class Translation: …
class TranslationVerbose: …

AudioVoice Consents

Turn audio into text or text into audio.

AudioVoices

Turn audio into text or text into audio.