GPT-4o Mini TTS

openaiopenai/gpt-4o-mini-tts

Text-to-speech model powered by GPT-4o mini.

Context Length

Max Output

Request Price

$0.018/ request

Input Price

$0.720/ 1M tokens

Modalities

text→audio

Pricing Breakdown

Type	Rate
Request	$0.018 / request
Input	$0.720 / 1M tokens
Output	$14.40 / 1M tokens
Audio output	$14.40 / 1M tokens
Estimated	$0.018 / minute

request is estimated price per minute

Supported Parameters

inputvoiceresponse_formatinstructions

API Usage Examples

cURL

curl https://api.therouter.ai/v1/audio/speech   -H "Content-Type: application/json"   -H "Authorization: Bearer $THE_ROUTER_API_KEY"   -d '{
    "model": "openai/gpt-4o-mini-tts",
    "input": "Welcome to TheRouter.",
    "voice": "alloy"
  }'