Speech API Reference
Speech
Converts the given audio file to text.
Azure OpenAI
Request
POST https://api.core42.ai/v1/audio/speech
OpenAI
Request
POST https://api.core42.ai/v1/audio/speech
Request Parameters
|
Name |
Required |
Type |
Description |
|---|---|---|---|
|
input |
true |
file |
The text to generate audio for. The maximum length is 4096 characters. |
|
model / deployment-id |
true |
string |
Model ID to use for the request. The available TTS models are gpt-4o-mini-tts. |
|
Voice |
true |
string |
The voice to use when generating the audio. Supported voices are alloy, ash, ballad, coral, echo, fable, onyx, nova, sage, shimmer, and verse. Previews of the voices are available in the Text to speech guide. |
|
instructions |
false |
string |
Control the voice of your generated audio with additional instructions. |
|
prompt |
false |
string |
Optional text to guide the model's style or continue a previous audio segment. Ensure the prompt matches the audio language. |
|
response_format |
false |
string |
Format of the audio output. Supported output formats: mp3, opus, aac, flac, wav, and pcm. Default output is mp3. |
|
Speed |
false |
number |
The speed of the generated audio. Select a value from 0.25 to 4.0. Default is 1.0. |
|
stream_format |
false |
string |
The format to stream the audio in. Supported formats are sse and audio. Default stream value is audio. |