Speech

What does the audio cost?

Whisper and the GPT transcribe rows use the per-minute figure in OpenAI’s estimated-cost column. xAI’s speech-to-text price is an hourly rate, split into minutes here. Text to speech is priced per character.

Speech to text and live voice

Cost

$0.60 for 100 minutes on Whisper.

The provider marks this figure as an estimate.

ModelHow many minutes?Batches a monthUse 1 if you only want the cost of this batch.

OpenAI. OpenAI’s published estimated cost per minute, not a separate list price per minute. Source

The link stores this model and these numbers.

Text to speech

Cost

$0.0015 for 100 characters on OpenAI TTS-1.

ModelHow many characters?Batches a monthUse 1 if you only want the cost of this batch.

OpenAI. $15 per million characters. Source

The link stores this model and these numbers.