# Azure TTS HD API Pricing

As of October 10, 2026, Azure TTS HD costs $30.00 per 1M characters on Azure OpenAI.

- Page: https://models.litellm.ai/models/azure-tts-hd
- LiteLLM model name: `azure/speech/azure-tts-hd`
- Added to LiteLLM: October 2025
- Prices updated: October 10, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| Azure OpenAI | `azure/speech/azure-tts-hd` | – | – | – | – | – | – |

## Cost examples

Narrating 500,000 characters:

- Azure OpenAI: $15.00

## Use it with LiteLLM

```python
from litellm import speech

response = speech(
    model="azure/speech/azure-tts-hd",
    input="Hello from LiteLLM",
    voice="alloy",
)
```

## FAQ

### How much does Azure TTS HD cost?

Azure TTS HD costs $30.00 per 1M characters on Azure OpenAI.

### Which providers offer Azure TTS HD?

Azure TTS HD is available from Azure OpenAI through LiteLLM, using the model name azure/speech/azure-tts-hd.

### How do I call Azure TTS HD with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="azure/speech/azure-tts-hd", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/audio/speech from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

### When did LiteLLM add Azure TTS HD?

Azure TTS HD was added to LiteLLM's model price file in October 2025.

Source: LiteLLM model price file, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json