# Long Form API Pricing

As of October 10, 2026, Long Form costs $100.00 per 1M characters on AWS - Polly.

- Page: https://models.litellm.ai/models/long-form
- LiteLLM model name: `aws_polly/long-form`
- Added to LiteLLM: December 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 |
|---|---|---|---|---|---|---|---|
| AWS - Polly | `aws_polly/long-form` | – | – | – | – | – | – |

## Cost examples

Narrating 500,000 characters:

- AWS - Polly: $50.00

## Use it with LiteLLM

```python
from litellm import speech

response = speech(
    model="aws_polly/long-form",
    input="Hello from LiteLLM",
    voice="alloy",
)
```

## FAQ

### How much does Long Form cost?

Long Form costs $100.00 per 1M characters on AWS - Polly.

### Which providers offer Long Form?

Long Form is available from AWS - Polly through LiteLLM, using the model name aws_polly/long-form.

### How do I call Long Form with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="aws_polly/long-form", 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 Long Form?

Long Form was added to LiteLLM's model price file in December 2025.

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