# Transcription and speech generation

## Text tokens

| Name                   | Input | Output | Estimated cost | Unit      |
| ---------------------- | ----- | ------ | -------------- | --------- |
| gpt-4o-mini-tts        | 0.6   |        | 0.015          | 1M tokens |
| gpt-4o-transcribe      | 2.5   | 10     | 0.006          | 1M tokens |
| gpt-4o-mini-transcribe | 1.25  | 5      | 0.003          | 1M tokens |

## Audio tokens

| Name                   | Input | Output | Estimated cost | Unit      |
| ---------------------- | ----- | ------ | -------------- | --------- |
| gpt-4o-mini-tts        |       | 12     | 0.015          | 1M tokens |
| gpt-4o-transcribe      | 6     |        | 0.006          | 1M tokens |
| gpt-4o-mini-transcribe | 3     |        | 0.003          | 1M tokens |

## Other models

| Name    | Use case          | Cost  | Unit          |
| ------- | ----------------- | ----- | ------------- |
| Whisper | Transcription     | 0.006 | minute        |
| TTS     | Speech generation | 15    | 1M characters |
| TTS HD  | Speech generation | 30    | 1M characters |