Create a voice with gpt-4o-mini-tts

POST

/v1/audio/speech

GPT-4o mini TTS is a text-to-speech model built on GPT-4o mini, a fast and powerful language model. Use it to convert text to natural sounding spoken text. The maximum number of input tokens is 2000.

For intelligent realtime applications, use the gpt-4o-mini-tts model, our newest and most reliable text-to-speech model. You can prompt the model to control aspects of speech, including:

Accent
Emotional range
Intonation
Impressions
Speed of speech
Tone
Whispering

Request

Body Params application/json

Example

{
    "model": "gpt-4o-mini-tts",
    "input": "Việt nam có đẹp không!",
    "voice": "coral",
    "instructions": "Speak in a cheerful and positive tone."
  }

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST '/v1/audio/speech' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "gpt-4o-mini-tts",
    "input": "Việt nam có đẹp không!",
    "voice": "coral",
    "instructions": "Speak in a cheerful and positive tone."
  }'

Responses

🟢200success

application/json

Body

Example

{}

Modified at 2025-06-12 14:10:12

Create transcription by gpt-4o-mini-transcribe & gpt-4o-transcribe

Create a voice